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INCISOR
                                                TM
                                                     for the short
                                                     range connectivity
                                                     environment




Video enabled    Issue 157                                       May 2011




WIRELESS SENSOR AND
CONTROL SPECIAL ISSUE
 THIS ISSUE     CONTRIBUTORS: BLUETOOTH SPECIAL INTEREST GROUP
                EMBER • ENOCEAN ALLIANCE • NORDIC SEMICONDUCTORS
                ZIGBEE ALLIANCE • TEXAS INSTRUMENTS • IMS RESEARCH
                TRAC • CAMBRIDGE CONSULTANTS


                                     sponsored by
 www.incisor.tv
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                                  sensing something big
    Anyone with even a remote connection to the short-range wireless industry will know that wireless sensors and controls
    are the current preoccupation of legions of engineers, developers and marketeers. If we are to believe the hype, the
    success that has been seen so far for technologies such as Bluetooth, ZigBee, EnOcean, NFC, RFiD, etc, etc, is as
    nothing compared to the opportunity presented by wireless sensors and controls. Consumers may have bought a lot of
    Bluetooth headsets, and there are an awful lot of wireless chips in games consoles, cars, phones, but apparently, when
    we move into the M2M market, the health and fitness markets, smart homes/smart grids, the numbers are set to rise
    exponentially.
    Every man and his dog is claiming that he has the perfect solution. Well, every technology alliance and every individual
    wireless company is anyway. But which will prevail? To which fence should we nail our colours? And where should we
    put our hard-earned money?
    Incisor is uniquely positioned (a cliché as well worn as these trainers I’m wearing at the moment) to find out. We have
    relationships with pretty much all of the players. It was about time, then, that we reviewed this market. We put the word
    out that this special issue was to be published, and the response was, let’s say, enthusiastic.
    I can’t promise that the submissions here are entirely hype-free, but our contributors understand that there is only so
    much over-blown marketing bilge they can get away with then talking to readers that are as wireless market savvy as
    Incisor’s. You will have to judge for yourself which story carries most credence, and Dean Gratton has made his own,
    independent observations.
    Finally, Incisor.TV attended the Bluetooth SIG’s All Hands Meeting. If you really, really want to know what is going on
    inside the Bluetooth SIG, but couldn’t make it to Budapest, then watch the Incisor.TV movies in this issue.

    Vince Holton
    Publisher & editor-in-chief, Incisor / IncisorTV




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                                   EMBER                                                        Rebecca Russell, Manek Dubash,
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                                                                                                                  news



    Android to seize 45%                            Burden concluded, “The overall
                                                    smartphone market growth for 2010 is not
                                                                                                     extension to tower and rooftop-based LTE
                                                                                                     macrocell deployments. In a traditional
    of smartphone market                            really so surprising: what is more
                                                    significant is the 19% compound annual
                                                                                                     macrocell configuration, LTE promises to
                                                                                                     deliver 2-4X the capacity of current 3G
    by 2016                                         growth rate (CAGR) contained in our              networks, but with leading operators
                                                    forecasts through 2016.”                         witnessing mobile data growth of 7 - 30X
    302 million smartphones shipped in 2010,                                                         over the last 3 years, LTE macrocells alone
    according to ABI Research, chalking up a                                                         will provide only temporary relief from data
    resounding 71% growth over 2009’s               Small cell base station                          congestion. As a result, operators are
                                                                                                     leveraging both small cell architectures and
    shipment levels.
                                                    combines LTE and Wi-Fi                           unlicensed spectrum in order to augment
    Android’s success since its launch is                                                            capacity in areas of high use
    expected to continue: some 69 million           As mobile operators worldwide plan and           concentration.
    smartphones running the Android operating       deploy LTE networks to support the growth
    system shipped last year, and ABI Research      in mobile data demand, a new class of
    expects that in 2016 Android will have
    captured 45% of the market.
                                                    small cell base station, known as outdoor
                                                    metropolitan picocell, is gaining traction.
                                                                                                     MusiCALL – clip-style
    “Android, Bada and BlackBerry have a great      According to industry research firm, In-Stat,    stereo Bluetooth
    opportunity to fill the vacuum being left by    the outdoor metropolitan picocell market is
    the disappearance of the Symbian OS             forecast to top $5 Billion in 2014. In that      solution from Bluetrek
    within the next two years,” senior analyst      same year, other forecasts suggest that
    Michael Morgan told Incisor.                    more than two billion Wi-Fi chipsets will        Bluetrek has released a slightly different
                                                    ship, reflecting Wi-Fi's continued popularity    take on the Bluetooth wireless headset
    Apple’s iOS, which held 15% of the market       in smartphones and tablets, the devices          solution, launching a product called
    in 2010, should continue moderate but           driving mobile data and video consumption.       MusiCALL, which is a clip stereo headset
    steady growth over the mid-term, backed         Against this backdrop of increasing mobile       with 3.5mm jack compatibility.
    by new product introductions. ABI Research      data demand, LTE small cell adoption and
    forecasts 19% market share for iOS in           Wi-Fi enabled device growth, BelAir              You can clip the MusiCALL pendant to
    2016.                                           Networks has launched the BelAir100LP            your shirt to give you wireless control of
                                                    LTE Picocell, a compact outdoor small cell       your tracks (play, pause, next, previous,
    RIM, which held 16% of the market in 2010,      base station that combines LTE and               volume +/-) whilst leaving your smart
    is expected to lose just a little ground: 14%   802.11n Wi-Fi and can be installed and           phone in your pocket or bag.
    is the forecast for 2016. “RIM’s slight loss    activated within 15 minutes.
    of share doesn’t mean falling shipments,”                                                        A 3.5mm input jack allows you to connect
    said Vice President Kevin Burden. “RIM has      "In live network trials with Tier One            your favourite earphones or headphones.
    found its niche, but the consumer market        operators, we've proven that combining           Music will stop when a call comes in and
    will grow faster than its portion of it.”       licensed and unlicensed wireless                 restarts when you end the call.
                                                    technologies in a small cell base station is a
    Of the newer entrants in the smartphone OS      very effective way to handle growing mobile      Bluetrek was showing the MusiCall at the
    arena, Windows Phone 7 and Samsung’s            data traffic," Bernard Herscovich, President     Spring edition of the Hong Kong
    Bada are both aimed at low- to mid-range        and CEO, BelAir Networks told Incisor. "The      Electronics and Global Sources Fairs that
    handsets. “With 4 million units shipped in      BelAir100LP features a modular platform to       took place during April. The suggested
    2010 (amounting to a 1.5% market share),        accommodate operators' LTE preferences           retail price (SRP) is USD69.99 or €59.90
    Bada has taken off very well, very fast,”       and leverages patented innovations that
    Morgan added. “Bada may reach 10%               address the installation challenges –            Bluetrek is also launching a headset it
    market share by 2016. Windows Phone 7,          including backhaul, power and mounting –         calls CARBON, and claims it is the
    on the other hand, which shipped in two         that have impeded widespread picocell            world’s first Bluetooth headset made of
    million handsets in Q4 2010, will have to       adoption to date."                               carbon fibre. Apparently, the patented
    find incredible success through its Nokia                                                        mechanism embedded in the carbon fibre
    channel to take more than 7% of the market      The BelAir100LP is designed to provide a         tube allows extended talk time, yet
    by 2016.”                                       high capacity underlay or coverage               reduces weight to less than 6grams.
Free Latte from JavaJoe
5                                                                                        www.incisor.tv




    INCISOR.TV VIDEO REPORT
                                                                Sponsored by

    Didn’t make it to the Bluetoooth Special Interest Group’s 2011 All
       Hands Meeting in Budapest? Never mind. The Incisor.TV crew
          was in attendance, and we now bring you four video pieces
     covering some of the main presentations made at the Bluetooth
                        SIG’s annual event for its member companies.
                  Click on the screens to view the four AHM movies.


                                            KEYNOTE: MIKE FOLEY

                                            The Bluetooth SIG’s executive director delivers
                                            the All Hands Meeting keynote, and talks of
                                            Disruptive Change within his organisation




                                            MEET THE BOARD OF DIRECTORS

                                            Our own Vince Holton moderates the Bluetooth
                                            SIG Board of Directors panel session. This is the
                                            opportunity to ask those awkward questions...




                                            INTRODUCING THE BLUETOOTH
                                            ECOSYSTEM TEAMS (BETs)

                                            Suke Jawanda, the Bluetooth SIG’s chief
                                            marketing officer, provides an overview of the
                                            SIG’s recently created BETs teams, which will
                                            manage Bluetooth’s successful implementation
                                            in new markets




                                            GUEST SPEAKER

                                            Hampus Jakobsson, of That Astonishing Tribe
                                            (TAT) says that the human/PC interface hasn’t
                                            improved for decades. Could his presentation
                                            ‘The future of screens’ be heralding change?
6                                   wireless sensors and controls – special feature section




                                         Incisor special feature:
      All you need to know about
    wireless sensors and controls




    In     this section, experts from Cambridge Consultants, TRaC,
         the Bluetooth Special Interest Group, the EnOcean Alliance, the
      ZigBee Alliance, Ember, Nordic Semiconductor, Texas Instruments
    and IMS Research, plus our resident techxpert Dean Gratton, examine
    the potential of a technology sector that is set to dramatically expand
    the short-range wireless market.
    M2M, sports and fitness, medical applications, payment and ticketing
    systems – the applications seem limitless.
    If it’s not clear which wireless technology will dominate, then read on.
    If you’d like to comment on any element, then email Incisor at:
    incisor@incisor.tv
7                                                                    wireless sensors and controls – special feature section




                                              How smart are we
                                           being in our quest for
                                                smart metering?
    Richard Traherne,
    Cambridge Consultants.                                                      By Richard Traherne
                                                           Head of Wireless and Commercial Director

    There’s no question that energy is firmly on
    the political agenda. The EU2020 energy
    targets, developed to tackle climate
    change, have now been approved by most
    European countries. They aim to reduce
    energy consumption and greenhouse gas
    emissions by 20% in the period from 1990
    to 2020, with the UK government in fact
    targeting an overall reduction in
    greenhouse gas of 80% by 2050.

    This has arguably been the most significant
    driver for the roll-out of an advanced form of
    metering, known as ‘smart metering’, across
    Europe. Smart meters will be a component
    within an overall infrastructure that will enable
    us to consume our finite energy resources in
    a more intelligent manner. Already, initiatives
    such as micro-generation, electric vehicles
    and smart appliances are well underway to
    play their part in this future panacea.

    Against this backdrop, wireless technology is
    poised to be an essential ingredient in the
    solutions that enable this future generation of     A potential UK smart infrastructure
    energy infrastructure. With one of the largest
    independent wireless development teams in           metering cannot be considered alone; smart       countries the meters are owned by the grid
    the world, Cambridge Consultants has                appliance and smart grid solutions must be       operator, whereas in others they are owned by
    developed a range of wireless solutions over        created, for all geographical locations          the energy suppliers. This has a big impact on
    the years for the energy sector and is now          required. In particular, issues related to       funding sources for the overall system, its
    very active in the area of smart metering, as it    standardised interfaces (to create inter-        architecture, as well as to the security and
    is known today. However, in this article I’m        operable devices and systems) and a growing      access rights within a meter.
    going to take a wider view than just the            concern for greater security and personal
    wireless technology. For the most part,             data privacy have protracted the overall         Conversely, equipment manufacturers want to
    ‘adequate’ wireless solutions exist, but the        development cycle.                               reduce cost by increasing economies of scale
    smart metering market is still developing very                                                       and standardising designs wherever possible.
    slowly. In this edition of Incisor, I’m therefore   At a geographical level, the ownership           Presently, this is possible for the metrology
    going to review some of the wider issues that       structure of energy supply varies considerably   within the meters, but not for the new ‘smart’
    will need to be resolved to allow targets, such     from one country to another, even within         communication, security and payment
    as the 2020 targets, to be met.                     ‘harmonised’ Europe. For example, France         functions. Standardisation of these smart
                                                        and Italy have large monopoly electricity        functions is an uphill battle and there is a
    Overall, the programmes have become much            suppliers, but these companies do not supply     general acceptance that many of these
    more complicated than originally envisaged.         gas. By contrast, the UK has six major energy    functions will inevitably continue to vary from
    This has largely been due to the need to            companies who supply electricity and gas,        one country to another. In addition, people are
    obtain consensus and buy-in from a wide             coupled with a market that encourages            still learning about the implications of adopting
    range of parties, including governments,
    companies and consumers. Of course, smart
                                                        consumers to switch supplier (currently about
                                                        100,000 switches per week). In some
                                                                                                         smart metering, so the requirements will
                                                                                                         continue to change as the market matures.           ➔
8                                                                                         whitespace radio – special feature section




    In response to this regional variation and the       Germany and the UK also have strong
    need to provide future flexibility, many
    manufacturers are attempting to design their
                                                         national security groups defining the
                                                         requirements for data security and privacy in
                                                                                                           Cambridge
    equipment in a modular (logical or physical)         smart metering equipment and systems.             Consultants Blogs
    manner based on clear interface definitions
    (APIs, communication protocols, RF                   Against this backdrop of competing                Why are we blogging? We believe that
    standards, data objects, hardware modules,           technologies and solutions, Cambridge             the technology market is much better
    profiles etc), which some seek to standardise.       Consultants has applied its experience of         when it is highly connected, and social
    For example, the main options for data               developing energy, communication and              media is a fantastic tool that instantly
    objects in Europe are DLMS and ZSE (ZigBee           security solutions over its 50 year history, to   connects people who face similar
    Smart Energy), whereas in the USA ANSI C12           author a family of interface specifications to    challenges, irrespective of whether they
    and ZSE are being considered. The energy             assist companies to develop smart metering        are budding entrepreneurs running their
    suppliers are generally powerful in these            systems. These UMI (Universal Metering            first high growth start up company or a
    standardisation decisions, when they are the         Interface) specifications allows meter            captain of industry in charge of a global
    entity purchasing metering equipment that            manufacturers and energy suppliers to             bluechip company. So, if you’d like to add
    they wish to be inter-operable.                      progress roll-out of smart meters, whilst         to the debates, please feel free to
                                                         retaining the flexibility to adopt new metering   comment on any of our blogs. It would be
    In addition, the preferred wireless                  communication technologies at a later date.       great to hear from you.
    communication solution for each geography            UMI protects their investment by
    is still in flux. To take the UK as an example;      standardising the connection of smart             Patrick Pordage
    much of the planning in the UK is being led          metering communications and control               Marketing Communications Director
    by DECC (the Dept of Energy and Climate              modules inside the meter. The UMI                 Cambridge Consultants.
    Change). Presently, the UK plans for all gas         specifications cover a module interface
    and electricity meters to contain 2-way              (based on SPI), an opto Interface used by         Corporate Blog
    communications to the Metering HAN. In               installation and service engineers, based on      Our corporate blog covers new product
    addition it plans to install a Communications        EN62056-21 (FLAG port) and security               development, open innovation,
    Hub and IHD (In Home Display) in every               interfaces with symmetric security based on       accelerating start up companies and other
    home. It is envisaged that the IHD will engage       AES-128 and asymmetric security based on          topics that involve using innovation to
    the consumer to be more energy-aware,                ECC-256. UMI has already been adopted by          achieve market leadership, along with
    leading to reduction in consumption (akin to         several key players, including Elster Gas in      technology stories that we hope you will
    the fuel efficiency gauge in a car). The             Europe. The specifications will be transferred    find interesting/
    Communications Hub will contain links to a           to the UMI Alliance when it is formed, but are
    national WAN, the Metering HAN and                   already available without charge now.             Consumer Products Blog
    hopefully to a Consumer HAN as well. The                                                               Topics include connected devices,
    consumer HAN will provide smart metering                                                               beverage dispensing, eco innovation, new
    information (e.g time-of-use pricing) to smart                                                         product introduction (NPI), open
    appliances. The consumer could therefore tell                                                          innovation, novel control interfaces and
    a washing machine when to finish and let it                                                            other topics related to our development of
    choose a low-carbon or low-price time to run.                                                          innovative consumer electronics,
    The Metering HAN will probably be wireless,                                                            domestic appliances and fast moving
                                                         The UMI logo                                      consumer goods.
    with ZigBee and Wireless M-Bus being two             (see http://www.cambridgeconsultants.com/
    contenders. There is less support presently to       news_pr252.html)
    standardise the Consumer HAN, although                                                                 Wireless Medical Blog
    WiFi is gaining some support as a potential                                                            Examining mobilehealth and telehealth
    solution. The WAN is a long distance link from                                                         technology ad market challenges, this
    all 26 million UK homes to a new organisation                                                          blog provides insight from implantable
    called the DCC (Data Comms Company). This                                                              and hospital communications to
    will in turn pass messages on to the relevant                                                          consumer health applications.
    energy supplier. The WAN technology has
    not been selected yet and a variety of                                                                 Mobile Wireless Technology Blog
    wireless and wired technologies are being                                                              Smartphones, netbooks and tablet PCs
    considered.                                                                                            are making mobile connectivity an
                                                                                                           essential part of everyday life for many
    In other regions the outlook is even vaguer at                                                         people. This blog examines the issues
    the present time. In France and Italy the                                                              faced by technology professionals,
    electricity and gas companies do not plan to                                                           network operators and industry analysts
    have shared networks for electricity and gas,                                                          working to keep people connected on the
    so there will almost certainly be separate           So, the next few years will certainly be          move.
    WAN connections to each home for gas and             interesting times in the smart metering
    electricity. This will be particularly challenging   market. If the published timescales are to be     Short Range Radar Blog
    for gas meters, which are battery-powered.           met, then a lot of further agreement is needed    Devoted to the topics surrounding short
    These countries don’t plan to create HANs            in a very short time, if good economic and        range radar systems in the 0 to 10km
    within the home. There will be no IHD and no         technical solutions are to prevail. Let’s hope    range. Examples of systems covered
    connections to smart appliances. So the              that we all don’t lose sight of the basic end-    include in-wall, through wall, short range
    equipment may be very different indeed.              goal, of preserving our planet, in our fight to   border surveillance and in-fill radar for
                                                         preserve or further our own positions!            both ATC and military applications.
    This variation leads to changes in the way
    that security is maintained within the system.       www.cambridgeconsultants.com
    Security solutions must address personal
    data privacy, which is subject to legislation
    such as the European Human Rights Act for            UMI and the UMI logo are trademarks of            Follow us on Twitter:
    example within Europe. The Netherlands,              Cambridge Consultants Limited.                    @CambConsultants
9                                                             wireless sensors and controls – special feature section




                                         Wireless sensors and
                                               networks – the
                                              compliance web
    Joe Lomako, TRaC
                                                   unravelled!
                                                                                 By Joe Lomako,
                                                             Business Development Manager, TRaC

    Wireless technology has become an
    integral part of everyday life. It is almost
    impossible to go through a single day
    without using any wireless device in
    some aspect of your daily routine. It is
    everywhere; in all manner of products
    and with varying degrees of complexity
    and security.

    This is particularly the case in the wireless
    sensor and control industry, which really
    does cover an enormous range. If you sit
    and think for a moment and ask; what is
    the wireless sensor and control industry?
    What products belong to this family?
    Where are they placed and what do they
    do? Most consumers are aware of the
    “traditional” wireless products, such as
    mobile telephones or wireless broadband
    routers or car key fobs, but they are
    completely unaware of the less obvious
    devices out there?

    Well, they could be anything or anywhere,
    for example; A thermostat in a house or a
    commercial workplace, a drug delivery           and are so anonymous in their existence in    mesh network which assists in the
    monitor in a hospital or even in a leak         that the user is completely unaware of the    construction of larger (geography) networks.
    detector/alarm in a heavy industrial site       engineering effort which has been             There are also proprietary technologies
    such as an oil platform. These are just a       expended in bringing it to market. The        (protocols) which can be used instead of
    few simple examples of some of the              wireless technologies which have been         those mentioned but at the end of the day
    applications that demonstrate the wide          used are somewhat diverse and the             they all still use the phenomena that is
    area in which these technologies are being      chosen technology depends on the              radio – an electromagnetic wave.
    employed. I’m sure the readers of this          application requirement and sometimes
    publication can either think of more            through the personal choice of the            Compliance Requirements: It has
    obscure situations where wireless               designer, but of course mainly the former!    already been mentioned that these devices
    technology is employed and are probably         Clearly, however, an application that needs   are used all over the world; opening up a
    even involved in the design and                 a high data rate in the tens of MHz would     whole new chapter in the development of
    production. Getting a product of this type      probably use something like Wi-Fi, and a      these products. Almost everything which is
    to market can also be quite involved so         requirement for a lower power, lower data     put onto the world market has to comply
    let’s look at that in a bit more detail.        rate and duty cycle could use Bluetooth       with some certification or regulatory
                                                    wireless technology, ZigBee or ANT+.          standard(s). Which standards apply is very
    Ubiquitous Radio - These products are
    being used in the four corners of the world
                                                    ZigBee does of course have the added
                                                    advantage of being able to establish a true
                                                                                                  much dependent on the final application of
                                                                                                  the product. This sounds like common           ➔
10                                                            wireless sensors and controls – special feature section




     sense, but sometimes selecting the correct    present considerable extra expense as          Each of the directives mentioned generally
     standard for the final application may be     well as delays in the release to market for    recognise “harmonised standards” where
     open to debate or simple error. It may        a product.                                     testing to the applicable product standard
     need the services of an expert to provide                                                    allows the manufacturer or person
     assistance on what should or should not       Case Study: Consider a more                    marketing the product to assume a
     be applied. For example, a not uncommon       comprehensive example such as the leak         “presumption of conformity”. These
     misconception is that testing to the suite    sensor on the oil platform. Scenario: The      standards provide the minimum test
     of radio test standards is all that is        sensors are placed at regular intervals        requirements to comply with the
     required to cover the compliance              along a pipeline carrying flammable liquid.    appropriate directives; however, many
     requirements of a wireless enabled            The leak sensor device has a dual mode         manufacturers decide to test up to the
     product. This may be true in some             in that it can detect leaks and then send      minimum levels and beyond thereby
     instances, but as we have seen, products      an alarm signal via a ZigBee mesh              demonstrating further hardiness of their
     are so diverse in their complexity a          network.                                       product. If the manufacturer wishes to
     detailed compliance assessment should be                                                     place their products further afield than, say
     applied to ensure full coverage. There may    So what approvals would be required            the EU, there may be further requirements
     be, and usually is, some commonality          here? Firstly, the RTTE Directive would        of the individual countries of choice which
     between the compliance requirements of        have to be satisfied. This covers Radio,       must be satisfied. This again demonstrates
     similar products.                             EMC and Safety. But, what else? Well this      the need for a structured compliance plan.
                                                   unit is in a potentially explosive
     Take for instance a wireless temperature      atmosphere and therefore would also fall       Complex Process: In summary,
     controller (for use in the EU); the usual     under the ATEX Directive (94/9/EC). This       achieving compliance may appear to be a
     standards for radio apply irrespective of     is a mandatory requirement and over 65%        complex process, but it can be made
     the host product. This would be EN 300        of products require a 3rd party                much simpler providing enough planning is
     328 for a ZigBee or Bluetooth enabled         assessment. In addition to this there may      made to incorporate an accurate
     device, but the standard may differ for       also be environmental requirements such        compliance program into the design
     other wireless technologies. But when the     as vibration, dust, heat, cold tests           phase. It is also important, to ensure that
     other compliance requirements are             because of the environment in which it is      the design and compliance program is
     applied, such as safety, these may vary       to be placed. Although many of these are       suitable for the product and its final
     dependent on the intended operating           not mandatory requirements, designing a        environment. However if in doubt an expert
     environment. If the temperature controller    product with these environments in mind        hand is not too far away!
     is to be used in an industrial environment    and demonstrating its hardiness through
     and domestic environment, dependent on        these tests will positively enhance its
     its functionality it may require safety       position as a quality and durable device.
     testing to two totally different standards.
     There is quite often a cross referencing of   A somewhat similar approach is observed
     standards which usually helps in the          with say a medical device which hosts a
     minimising and simplifying the process, but   wireless communication module. Again
     again that is where the assistance of the     the RTTE directive must be satisfied, as
     professional compliance expert can ensure     well as the Medical Device Directive, but
     that the most cost effective process is       here also, if the device is in a potentially
     traversed, because errors at the early        explosive environment again the ATEX
     stage of the development process can          directive may also apply.
11                                                             wireless sensors and controls – special feature section




                                                      Bluetooth:
                                               The second wave
                                                                                           By: Mike Foley,
     Mike Foley, Bluetooth Special                                         Bluetooth SIG Executive Director
     Interest Group




     Each year, the Bluetooth SIG
     membership and staff come together to
     examine where we’ve been in the past
     year and take those lessons learned to
     move our charter, the creation and
     promotion of Bluetooth, the best
     wireless technology, forward. This year
     marked our tenth All Hands Meeting
     (AHM), and my what a difference a
     decade makes. At our first gathering of
     minds in Los Angeles in 2002, Bluetooth
     chipsets were selling at $13 a pop (they
     sell for less than $1 today), analysts
     were predicting “millions of chipsets” to
     sell by 2005 (we sold almost 2B in 2010
     alone), and just over 2000 companies
     had signed up for membership in the
     SIG – that number stands at more than
     14,000 strong at latest count.

     The first wave of Bluetooth technology was
     a success by any measure. The technology
     experienced explosive growth, moving            time to build on that success. The first       of five Bluetooth Ecosystem Teams, known
     from 0 to almost 2B units shipped in less       wave helped transform the mobile phone         as BETs. BETs are now working to support
     than eight years. “Bluetooth” is now a          industry and created multi-million dollar      the mobile phone, PC/CE, health &
     globally recognized brand and                   accessory industries as a result. Now, with    wellness, sports & fitness, automotive, and
     synonymous with hands-free audio and            Bluetooth v4.0, we’re at the beginning of a    smart home industries. Each BET is made
     headsets. There are several key success         massive second wave of Bluetooth               up of representatives from the leaders in
     factors attributable for this success – it      technology that is just as transformational.   those industries and it’s those leaders who
     was the right technology at the right time;     We’re poised to positively impact the lives    will help us drive the market direction for
     legislation, like hands-free laws, acted as a   of hundreds of millions of people the world    Bluetooth technology in that segment.
     driving cultural force; many companies put      over through billions of Bluetooth
     in much hard work, and we were                  connected devices.                             We’re adding two new board members to
     successful in creating strong commercial                                                       the Bluetooth SIG Board of Directors –
     alignment with industry heavyweights in         To seed the second wave, you will see          change that has not happened before in the
     the mobile phone, PC/CE, and automotive         change from the Bluetooth SIG – change in      history of the organization. If you’d like to
     sectors.                                        how we operate that will create change in      be considered for one of the open seats,
                                                     the marketplace. The SIG is turning the        find the criteria and submission process
     While we’ve come an incredibly long way         ship to once again be a market-focused         here: www.bluetooth.org.
     at a record shattering pace, we stand at a      organization. We are paving the way for
     place today that seems eerily familiar to       entry into new markets, like healthcare and    We’re going to market with an updated
     those who initially got this technology off     smart energy and the smart home, where         value proposition that reflects the true
     the ground. We’ve reached major                 wireless, let alone Bluetooth technology,      brand promise of Bluetooth wireless
     milestones in shipments, price, and             has not yet fully penetrated and there is      technology: Simple. Secure. Everywhere.
     company support; we’ve beefed up staff          much opportunity for Bluetooth sensors         Let’s break that down:
     and created a world-class testing and           and control devices.
     qualification program; we’ve witnessed the                                                     Simple. The promise of Bluetooth
     proliferation of this technology into over a
     thousand different device classes – and it’s
                                                     To make that entry smooth, we’ve created
                                                     a new marketing team structure consisting
                                                                                                    technology, and the experience of most
                                                                                                    users today, is that it just works.             ➔
12                                                            wireless sensors and controls – special feature section




     The simplicity it brings to everyday life is   Bluetooth is liberating data – data that      devices worldwide. As more devices are
     that of convenience, of freedom, of ease.      has been stuck in “dumb” devices and          Bluetooth enabled, more value is accreted
     Simple is core to our brand promise.           not used to its fullest capability.           to the Bluetooth network and the individual
                                                    Bluetooth technology enables                  devices that comprise it. The ever-growing
     Secure. In many ways, the keys to our          applications – both on the “hub” device       Bluetooth network is what separates this
     lives reside within the mobile devices we      and in the cloud – to turn data into          technology from competing technologies
     carry with us every day. Wireless does not     information. That’s a very powerful           and accretes great value into member
     equal insecure. Bluetooth technology is a      promise. And it’s happening.                  products and convenience and value to
     secure fortress for the digital information                                                  end-users.
     we carry and share daily.                      It’s this promise, this reality, of
                                                    “everywhere” that creates the Bluetooth       Today, the scale of our technology and the
     Everywhere. You know Bluetooth is a            network effect. Simply put, the value of      Bluetooth network effect is very large. We
     global standard. You know it’s in              our members’ product increases when           are on a trajectory for it to be massive.
     thousands of device types, and billions of     it’s powered by Bluetooth technology          That second wave, combined with the first,
     products. You may think that has               and thus is available to interoperate and     will create a Bluetooth ocean of
     “everywhere” covered, but think again. By      connect into the vast Bluetooth               opportunity – five billion devices in the
     efficiently connecting devices everywhere,     ecosystem compromised of billions of          year 2015. It’s coming.




     Snippets
     ST-Ericsson reports first quarter 2011 financial results

     ST Ericsson reported net sales $444 million and an adjusted operating loss $149 million for Q1 of 2011. On the upside, the company
     told Incisor that its new high-speed modem sales nearly doubled sequentially

     "Revenue in the first quarter reflected normal seasonal trends but declined more than anticipated on a sequential basis due to a
     steeper drop in sales of our legacy products, which is not yet offset by sales of new products. Primarily due to these lower sales, our
     adjusted operating loss increased sequentially, said Gilles Delfassy, ST-Ericsson president and CEO.



     Zomm appoints CFO

     Zomm, the creators of a Bluetooth-based wireless Leash for mobile phones, has appointed start-up executive Nathan Gooden as its
     chief financial officer (CFO). Gooden is responsible for driving ZOMM’s financial strategy as the company continues its international
     growth. Having started his career at PricewaterhouseCoopers, where he served as a lead auditor and member of the Offshore
     Investment Management Assurance Practice, Gooden apparently identified key financial drivers in clients’ businesses to improve
     productivity and overall profitability.



     NFC Forum White Paper on Smart Posters

     The NFC Forum, the industry association that advances the use of Near Field Communication (NFC) technology, has published a
     White Paper about developing and deploying NFC Smart Posters, subtitled "How to use NFC tags and readers to create interactive
     experiences that benefit both consumers and businesses." The paper is available for download at no charge from http://www.nfc-
     forum.org/resources/white_papers



     Fortress Added to DoD Approved Products List

     Fortress Technologies’ ES520 Deployable Mesh Point and ES210 Tactical Portable Mesh Point have been added to the Department of
     Defense (DoD) Unified Capabilities Approved Products List (UC-APL), establishing it as an approved technology for use across the
     DoD. Fortress claims that the ES520 was the first fully rugged, tactical wireless solution suitable for outdoor use included on the
     Army's Information Assurance (IA) APL in 2009.



     Revised ZigBee Smart Energy V2.0 tech docs available

     The current revisions of the ZigBee Smart Energy version 2.0 Technical Requirements Document (TRD) and Public Application Profile are
     available for public comment by the Smart Grid community at large. Public comments received last year for both documents, and
     Alliance responses, are also available for review. The Alliance is now accepting public comment on these revised documents for 30 days.
13                                                              wireless sensors and controls – special feature section




                                           EnOcean Alliance:
                                          buildings controlled
                                             over the Internet
     The Internet protocol (IP) has become a
     worldwide standard, with not only PCs
     or laptops but many other different
     devices communicating over the
     Internet. Currently there is much
     discussion of the idea of assigning
     every socket and every lamp its own IP
     address and then connecting them
     over the Internet. What many do not
     know is that today already all electric
     appliances can be addressed over an
     IP network — enabled by batteryless
     wireless technology and matching
     access points.

     EnOcean's wireless solutions harvest the
     power they need from their surroundings
     — from motion, light or temperature
     differences — and in this way enable
     entirely energy-autonomous and
     maintenance-free automation
     applications. Teamed with the TCP/IP
     protocol the user has possibilities
     comparable to those of established
     building automation systems plus cost-
     savings in installation, huge simplification
     of the cabling, and flexible configuration
     of space.

     For this reason the operators of a
     retirement home in Germany decided to
     install the batteryless wireless solution. In
     a first step, the wireless system is being
     installed in the new building of the
     retirement community. Then the existing,
     adjoining building is to be converted.
     All public areas will be subsequently
     fitted with combined presence sensors.          opens the doors to the residents own           windows and doors are open, how warm
     These and LED’s will ensure that lighting       apartment and all public areas. Entering       it is in individual apartments.
     is always optimal in corridors, recreation      the apartment, the resident only has to        Unobtrusively, residents can be assured
     rooms, cafeteria and the like. At the           insert the card in the holder next to the      maximum comfort, convenience and
     same time these presence detectors will         door and electric appliances are               security. Any serious deviation from
     save energy because lights automatically        immediately powered. Removing the card         normal daily routine becomes visible.
     turn off in rooms when they are                 will turn off lights and critical loads such
     unoccupied.                                     as a cooking plate. The wireless               Automation of the retirement home
                                                     technology plus visualization software         implements software from BSC, with its
     In future the apartments will no longer         enable staff to supervise the status of all    IP-oriented architecture. It allows an
     have mechanical keys. Every resident will
     get an individual plastic card, which
                                                     appliances, as well as windows and
                                                     doors, so they know at all times which
                                                                                                    unlimited number of sensors to be linked
                                                                                                    and is easily expanded. Installed on all   ➔
14                                                           wireless sensors and controls – special feature section


                                                                                                 INCISOR TV
                                                                                                 Video presentations
                                                                                                 When it comes to assessing what is really
                                                                                                 going on in the market, there is no substitute
                                                                                                 for seeing products in action and hearing
                                                                                                 100% accurate information from the people at
                                                                                                 the sharp end. Incisor TV provides that insight.

                                                                                                 Click on the links below to watch recent
                                                                                                 Incisor TV presentations

                                                                                                 IncisorTV at CES 2011 – Bluetooth Best of CES
                                                                                                 IncisorTV at CES 2011 – Day 2
                                                                                                 IncisorTV at CES 2011 – Day 1
                                                                                                 Rococo discusses LocalSocial
                                                                                                 Bluetooth High Speed Technology
                                                                                                 Frontline – Interoperability testing
                                                                                                 Bluetooth SIG BETS programme
                                                                                                 Frontline – BPA500 protocol analyser
                                                                                                 Aftermarket Bluetooth versus Factory fit
                                                                                                 Who needs stress? Says Jabra
                                                                                                 EnOcean Alliance –
                                                                                                 energy harvesting technology
                                                                                                 Aftermarket Bluetooth versus factory fit
                                                                                                 Bluetooth 2010 All Hands Meeting
                                                                                                 Anoto - 10 years of digital pen and paper
                                                                                                 BiteBack Sweden
                                                                                                 CES 2010 Daily Show report – Day 1
     floors of the building are EnOcean access     all chores to be handled with a single        CES 2010 Daily Show report – Day 1
     points with a LAN interface. These have       device.
     their own processor and memory for 3,000                                                    CES 2010 Daily Show report – Day 1
     EnOcean telegrams. In this way no sensor      EnOcean technology and IP create perfect      BiteBack Asia
     signal is lost, even if the network or the    solutions. EnOcean enabled devices
                                                                                                 BiteBack USA
     building computer briefly fails. An encoded   possess a unique ID address, so they can
     IP link enables the networks of the two       be integrated seamlessly in an IP network     BitBack UK
     buildings to connect to one another. That     through an access point. That does away       IncisorTV commercial for CSR/SiRF merger
     enables the nighttime staff in one building   with any elaborate, extra web server
     to take over supervision of the monitor in    solution for each sensor and actuator. The    DECT Forum and CAT-iq in 2009
     the other building, when those are busy       user is rewarded with more flexibility,       Bluetooth SIG – Best of CES 2009
     with an occupant. Another major               comfort and convenience, accompanied
                                                                                                 WiMedia Alliance – UWB in 2009
     component is iPads for the staff, tied by     by low installation costs and reduced
     WLAN to the overall system. That enables      power needs.                                  Incisor showreel
                                                                                                 WiMedia special - UWB - a high
                                                                                                 performance solution / part 1
                                                                                                 WiMedia special - UWB - a high
                                                                                                 performance solution / part 2
     The EnOcean Alliance is a consortium of       companies have created over 700               WiMedia special - WiMedia and Bluetooth
     leading companies from the building           different products for applications ranging
     sector promoting the energy harvesting        from room thermostats through to              WiMedia special - Updating the
     wireless technology for green buildings.      wireless window contacts up to smart grid     WiMedia roadmap
     Confirming this technology’s rapid            solutions. All products are entirely          WiMedia - The future for UWB
     adoption rate, there are more than            interoperable. This means that solutions
                                                                                                 Bluetooth low energy wireless technology
     100,000 worldwide equipped with the           from different manufacturers can work
     batteryless technology. Quickly becoming      together in the same automation system.       IncisorTV commercial for CSR –
     the industry standard for sustainable         Products incorporating the self-powered       BlueCore7
     buildings, energy harvesting wireless         technology are easily to integrate into       IncisorTV commercial for CSR RoadTunes
     technology enables Alliance members to        common building automation systems -
     develop products used to improve the          such as LON, KNX, BACnet or TCP/IP.           IncisorTV commercial for CSR
     energy efficiency and flexibility in                                                        BlueCore Player
     buildings. More than 170 member               www.enocean-alliance.org                      A guide to Bluetooth Version 2.1 + EDR
                                                                                                 10 years of Bluetooth / Best Bluetooth
                                                                                                 of CES 2008
                                                                                                 CES 2008 – Profile of Parrot
                                                                                                 Introducing Incisor
                                                                                                 2007 Wireless Symposium
15                                                           wireless sensors and controls – special feature section




                                        ZigBee Alliance:
                                      Control Your World
                                                              By Benno Ritter, ZigBee Alliance,
                                                       VP Marketing and Business Development




     Since 2002, the ZigBee® Alliance, a non-      building automation, and industrial plant   Controlling Your Energy Use
     profit Standards Development                  management. The cornerstone of
     Organization, has grown to a thriving,        ZigBee’s success has been its open          Before we begin talking about products, it’s
     global ecosystem of approximately 400         standards approach that has spurred         important to understand the capabilities
     members. These include some of the            innovative low-power wireless solutions     and benefits. ZigBee Smart Energy™ is a
     world’s industry-leading consumer             designed to provide customers the tools     global, low-energy consuming, low-cost
     electronics manufacturers, technology         and technology to better manage their       wireless standard for interconnecting
     and energy solution vendors,                  environment through the use of Wireless     devices in home area networks (HANs) and
     telecommunication service providers,          Sensor Networks (WSNs).                     delivering advanced metering
     utilities, energy service providers,                                                      infrastructures - essential components of
     semiconductor companies and                   As standards evolve and products are        the many Smart Grid efforts underway
     manufacturers looking to develop              launched, the Alliance continues building   worldwide. Today, the majority of
     innovative products based on ZigBee’s         its momentum by applying its core WSN       communication between consumers and
     global wireless standards. Today,             standards to new market applications.       utilities is limited to monthly bills or
     organizations use ZigBee to deliver           One of the key areas gaining momentum is    outages. ZigBee Smart Energy enables
     solutions for a variety of areas, including   the growing adoption of ZigBee Smart        real-time wireless communication between
     healthcare, consumer electronics,             Energy™ and number of ZigBee Smart          utilities or energy service providers, the
     energy management and efficiency,
     telecom services, home and commercial
                                                   Energy™ certified products in Smart Grid
                                                   deployments around the world.
                                                                                               Smart Grid and household devices such as
                                                                                               In-Home-Displays, thermostats, water           ➔
16                                                              wireless sensors and controls – special feature section




     heaters, and appliances. It gives               Removing the direct “line of sight”
     consumers the information to improve            requirements gives consumers freedom to
     their energy efficiency, save money and         control devices from greater distances.
     help the environment. Using ZigBee              As an energy efficient standard,
     Smart Energy, utilities and energy service      consumers will enjoy remotes that last up
     providers can offer valuable customer-          to 300% longer than remotes using
     centric programs such as demand                 infrared (IR) technology.
     response, remote connect/disconnect,
     “pay-as-you-use” and net metering.              One of the newest Alliance initiatives this
                                                     year is to develop a standard that delivers
     In January 2011, ZigBee Smart Energy            the ultimate 3D viewing experience,
     reached the 100th ZigBee Certified              ZigBee 3D Sync. This standard creates a
     product milestone. Various products             more flexible and efficient connection
     manufactured by 49 different companies          between 3D HDTVs and active 3D
     are available in every product category to      glasses. ZigBee 3D Sync will also replace
     implement a robust HAN, from energy             IR technology used in today’s 3D
     service portals to meters, In-Home-             products, by providing a standard robust
     Displays, programmable communicating            radio frequency solution. Consumers will
     thermostats and more. In order to make it       enjoy greater freedom of movement while
     easy for utilities and governments to           wearing 3D glasses without disrupting 3D
     deploy interoperable, secure, consumer-         HDTV viewing.
     friendly smart grid solutions, all ZigBee
     Smart Energy products are required to
                                                     Smarter Health Controls
     pass the ZigBee Certified product
     program.                                        ZigBee Health Care offers new ways to
                                                     help people maintain their independence
     Currently, ZigBee Smart Energy is in            and live healthier, happier lives. With
     active deployment around the planet.            ZigBee Health Care, the disabled and the
     In the U.S., 11 utilities are installing more   elderly are able to stay at home rather
     than 40 million meters, with Texas and          than in a hospital or assisted care facility.
     California leading the pack with millions       The result is a higher quality of life while
     of meters installed. The State of Victoria      lowering healthcare costs. Additionally,
     in Australia has deployed meters and has        it enables secure monitoring and
     also begun installing water meters that         management of noncritical, low-acuity
     take advantage of ZigBee’s extraordinary        healthcare services targeted at chronic
     battery life. In the UK, British Gas has        disease management.
     announced it will use ZigBee Smart
     Energy in its multi-million electric and gas    ZigBee Health Care is a part of the
     meter base.                                     Continua Health Alliance’s 2010 guidelines
                                                     as the preferred low-power LAN standard
     While much activity has been centered           for health care products. Now any variety
     around smart metering and devices in the        of IEEE 11073 medical devices using
     home that connect to the meter, work is         ZigBee Health Care, including
     starting on the plan to build the required      glucometers, pulse oximeters,
     infrastructure needed to support millions       electrocardiographs, weight scales,
     of Electric Vehicles (EVs). EVs represent       thermometers, blood pressure monitors
     special and very large loads and without        and respirometers can connect to a
     careful management of EV charging, our          network and report health information.
     current distribution system will collapse.      ZigBee's extremely power efficient design
     Recently the Society of Automotive              is well suited to this class of device since
     Engineers and the ZigBee Alliance               it allows them to work for long periods of
     announced a collaboration to use ZigBee         time without needing battery replacement
     Smart Energy to define how EVs and the          or recharging.
     grid interact.
                                                     More Choices for Control
     Control for Your Consumer
                                                     Overall, ZigBee standards give product
     Electronics
                                                     manufacturers a straightforward, ready-to-
     For more flexibility and control, the           implement solution to help their
     Alliance has expanded the number of             customers gain greater control of, and
     standards designed for ZigBee RF4CE.            even improve daily activities. A growing
     This wireless platform provides a more          number of ZigBee Certified products of all
     advanced, energy-efficient solution for         classes is a testament to the strength of
     use in remote controls and accessories          the ZigBee WSN standards in the
     like keyboards and active 3D glasses.           marketplace. And since the use of ZigBee
     Remotes using the ZigBee Remote                 in the Internet of Things is limited only by
     Control standard deliver two-way                one’s imagination, the Alliance will
     communications, so you know when the            continue to offer more innovative
     device has actually completed                   standards designed to help you control
     commands. Another great feature is that         your world.
     it allows consumers to “just hit play,”
     without aiming their remote at a player.
17                                                               wireless sensors and controls – special feature section




                                   ZigBee propagation
                                      testing for smart
                                    metering networks
                                               By David Egan, Product Marketing Director
                                          and Simon McCarthy, Field Application Engineer
                                                                   at Ember Corporation

     The UK Government requires energy              be argued that UK housing stock uses                       Ember’s SoC is particularly suitable for this
     suppliers to take all reasonable steps to      different building materials. Yet numerous                 type of testing for two reasons;
     deploy smart meters at customer                ZigBee products are already in use in
     residences by 2019, with the mass              Europe, mainly in home automation or                       • It can support transmission power of
     rollout to start in 2014. ZigBee Smart         lighting markets, and major European                         +8dBm and receive sensitivity of -
     Energy is a potential solution to be used      manufacturers have satisfied themselves of                   102dBm, a dynamic link budget of
     in smart metering home area networks           the propagation performance of ZigBee.                       110dBm and transmitting close to the
     (HAN), which will include electric             However, no-one has published their test                     legal limit of +10dBm without the
     meters, gas meters and in-home                 data to inform the market in general.                        expense and power consumption of an
     displays. As well as the maturity and                                                                       external PA or LNA; and
     popularity of the ZigBee Smart Energy          With the increased interest in smart                       • The EM357 is a popular chip used in
     application profile, ZigBee’s essential        metering in the UK tempered by the lack of                   many ZigBee Smart Energy HAN
     strength is its self-healing mesh              available published material, Ember has                      devices in the US and the UK, so it is
     networking capability, ensuring robust         worked with a number of organizations to                     directly relevant to the market.
     communications.                                test ZigBee propagation. Ember has
                                                    provided its ZigBee technology for these                   The following are two examples, as well as
     However, many of these early HANs will         tests, including the EM357 ZigBee system-                  the results, where Ember has supported
     not contain enough mains-powered               on-chip (SoC), as well as technical                        this type of testing: the University of
     devices to create a mesh with alternate        information and advice on RF and ZigBee                    Sheffield and EDF Energy.
     paths. And in many cases an in-home            matters.
     display or gas meter will need to be able to
     communicate directly with an electric
     meter or communications hub. Additional
     routers would ensure robust
     communications, but they would add to
     support and hardware costs. This
     highlights a need to examine the point-to-
     point propagation properties of ZigBee,
     which operates in unlicenced radio bands
     in the 2.4GHz spectrum. Some who have
     had poor experiences with propagation of
     other 2.4GHz solutions may fear that
     ZigBee will be similarly challenged in real
     homes, resulting in communication failures
     and negatively impacting the consumer
     experience.

     Widespread use of ZigBee Smart Energy in
     US smart metering programme is of little
     comfort, because US regulations allow          Trial 1 - Windows Closed, Ground Floor, (First Floor), [Second Floor]
     devices to transmit at much higher power

                                                                                                                                                               ➔
     levels (100mW/+20dBm) than in the UK           Figure 1: Plan of one of the tests carried out by University of Sheffield
     and Europe (10mW/+10dBm). It could also        (source: University of Sheffield interim report draft, March 2011)
18                                                                         wireless sensors and controls – special feature section




     University of Sheffield tests                           The figure (on page 16) from University of                     apartment block. Again, the EM357 was used
                                                             Sheffield shows results from one of the                        in this site survey, which has subsequently
     The University of Sheffield’s                           apartment blocks tested.                                       been published by EDF Energy into the
     Communications Group within the                                                                                        SMDG HAN Workgroup working within the
     Department of Electronic and Electrical                 The results are very informative, showing the                  Smart Metering Implementation Programme
     Engineering has expertise in radio                      reference device (fixed node) in one corner                    in the UK. The paper can be found here:
     propagation modeling, active and passive                of the building on the ground floor, and RSSI                  https://sites.google.com/site/ smdghanwg/
     frequency selective surfaces (FSS),                     readings from various positions on ground                      home/real-world-experiences/EDF2010
     antenna systems and wireless systems                    floor, first floor and second floor.                           ZigBeePropagationTesting.pdf?attredirects
     design. This group has conducted ZigBee                                                                                =0&d=1
     propagation tests using the EM357 SoC                   The receive signal strength (RSSI) values
     and is close to publishing an interim                   shed light on how the signal weakens as it                     Figure 3 shows a similar pattern to the
     report, which will detail controlled,                   goes through internal walls as well as free                    University of Sheffield tests. In this case the
     scientific tests carried out in a number of             space. It also indicates the importance of                     tests being carried out from a fixed node
     reference building types, including terraced            good choice of radio and good PCB design.                      inside a meter cabinet in the centre of one
     house with basement and apartment                       For example, a test using radios capable of                    apartment block floor to different points in
     blocks.                                                 transmitting at +5dBm with -95dBm receive                      each of six apartments on that same floor.
                                                             sensitivity would represent a 10dB
     The tests incorporate typical positions of              difference in dynamic link budget and would                    Summary
     meters and in-home displays. They include               have significantly worsened these results.
                                                                                                                            With growing interest in using ZigBee for
     a fixed device, usually positioned where a              The forthcoming report will contain many
                                                                                                                            smart metering HANs in the UK and elsewhere
     meter would be located such as a                        more tests like this and should be of great
                                                                                                                            in Europe, testing propagation properties of
     basement or at the front door. A second                 interest to the market.
                                                                                                                            these devices at 2.4GHz is important to
     device, which is located at different
                                                                                                                            advise technology selection, architectural
     positions around the building, sends                    The LQI values are also very interesting.
                                                                                                                            design and deployment plans. Independently
     messages to the fixed device. The signals               Values of 255 indicate a good quality link,
                                                                                                                            conducted tests are becoming available to
     were measured, recording both RSSI                      whilst lesser values indicate the presence of
                                                                                                                            advise this process, and these can only serve
     (Received Signal Strength Indicator, in                 chip errors in the received packets. An LQI
                                                                                                                            to encourage greater understanding of ZigBee
     dBm) and LQI (Link Quality Indicator, a 0-              of 0 can still result in a successfully received
                                                                                                                            propagation in the smart metering community.
     255 value).                                             packet, but it is an indication that it would
                                                             take very little to change in the environment
                                                                                                                            It could be suggested that ZigBee at 2.4GHz
                                                             to change that to a lost signal.
                                                                                                                            is a satisfactory solution for smart metering
                                                                                                                            HANs in the UK based on testing done so far
      Point  Distance      RSSI     RSSI     RSSI      LQI   EDF Energy site survey
                                                                                                                            using best in class ZigBee radios and good
             (mm)          (min)    (avg)    (max)
                                                             Ember assisted EDF Energy in testing                           RF implementations.
      (GROUND FLOOR)                                         ZigBee propagation as part of a site survey
      L3      4225         -64      -64      -64       255   for a smart metering installation in an                        www.ember.com
      L1      4576         -72      -70.5    -70       255
      L2      5661         -80      -78.8    -77       255
      L4      7890         -67      -67      -67       255
      L5      8147         -88      -87.3    -87       255
      L7      10525        -86      -85.5    -85       255
      L6      10666        -96      -95.2    -94       80
      L8      10984        -96      -94.3    -93       114
      L9      12171        -90      -88.5    -88       255
      L10     13598        -92      -91.3    -91       252
      L11     13670        -96      -94.7    -94       151
      L12     16430        -96      -95.5    -95       57

      Point   Distance     RSSI     RSSI     RSSI      LQI
              (mm)         (min)    (avg)    (max)
      (FIRST FLOOR)
      L0       3230        -72      -71.2    -71       255
      L3       5318        -85      -84.3    -84       255
      L1       5601        -85      -84.5    -84       255
      L2       6518        -96      -95.7    -95       65
      L4       8526        -88      -88      -88       255
      L5       8764        -93      -92.2    -92       236
      L6       11144       -95      -94.2    -93       165
      L8       11449       -97      -96.5    -96       18
      L7       11009       ---      ---      ---       ---
      (SECOND FLOOR)
      L0       6460        -97      -94.8    -94       136
      L3       7719        -96      -95.7    -95       40
      L1       7917        -94      -93.5    -93       209
      L2       8589        -96      -96      -96       0
      L4       10197       -96      -95.8    -95       2


     Table 1: Table showing test results related
     to figure 1 (Source: University of Sheffield interim    Figure 3: EDF Energy propagation tests (Source: SMDG HAN Work Group
     report draft, March 2011).                              https://sites.google.com/site/smdghanwg/home/real-world-experiences/EDF2010ZigBee PropagationTesting.pdf?attredirects=0&d=1)
19                                                              wireless sensors and controls – special feature section




                                                    Incisor interview:
                                                               Nordic
     Thomas Søderholm,
     Nordic Semiconductor
                                                      Semiconductor
                                Thomas Søderholm, Business Development Manager
                                 at Nordic Semiconductor, discusses wireless sensor
                                           trends in 2011 with Vince Holton of Incisor

     VH: How do you predict worldwide market        health monitoring of patients in their         Bluetooth low energy may well be a
     demand for wireless sensors will develop       homes (rather than them taking up an           popular alternative, but the technology is
     in 2011?                                       expensive hospital bed).                       only currently available in low volume. In
                                                                                                   comparison, Nordic’s proprietary
     TS: Nordic Semiconductor’s key market is       Although Infrared (IR) remote controls will    nRF24LE1/Gazell RF technology, for
     ultra-low power (ULP) wireless connectivity    be around for some time yet, the way           example, is ideally suited to RF remote
     in the 2.4GHz ISM band. We make silicon        modern consumers access digital media          control. It is a proven technology already
     radio solutions that can operate from coin     will only be realized through the advanced     used on millions of “wireless desktops”,
     cell batteries and consequently provide a      functionality enabled by an RF link. RF        employing inexpensive, robust,
     wireless connection for the most compact       technology provides a faster response, bi-     interference immune 2.4GHz
     electronic devices, including sensors.         directional connection (IR is only one-way),   transceivers.
                                                    non-line of sight control and extended
     There are thousands of potential               range compared to IR. And only RF has          A recent commercial report concluded
     applications for such a wireless link so,      sufficient bandwidth over a bi-directional     the use of “body worn electronics
     despite the recent tough times, we believe     link to support advanced user interfaces       wireless sensors” could save the health
     2011 will continue to show good growth in      while consuming modest battery power           care industry US$25 billion by 2012. ULP
     our market segment. There are three key        and meeting mass-market cost                   2.4GHz wireless sensors with long
     reasons for this confidence: first, the ULP    constraints.                                   battery life - monitoring vital signs such
     wireless connectivity segment is in its                                                       as blood pressure, pulse and blood
     infancy so there is large growth potential     ZigBee-based RF4CE (Remote Control for         glucose - can link to existing cellular or
     even if the world economy remains weak         Consumer Electronics) has been touted as       Internet infrastructure allowing patients to
     for the whole of 2011; second, existing        a good technology for RF remote control        shorten or avoid expensive hospital stays
     wireless products that were originally         but seems to be failing to live up to its      while still being in frequent electronic
     designed using older 27/49MHz                  early promise. In the medium term,             contact with their health care providers.
     technology are migrating to technically
     superior 2.4GHz technology (Nordic has
     particularly seen high volume sales into the
     PC peripherals market due to this
     migration); and third, Nordic is launching
     some exciting new products this year, in
     addition to its µBlue™ nRF8001 Bluetooth
     low energy solution. Bluetooth low energy
     extends the Bluetooth wireless technology
     ecosystem by adding ULP wireless
     connectivity.

     VH: Which applications or markets will
     bring the biggest business opportunities
     for your company in 2011?

     TS: Nordic sees two strategic areas for its
     ULP wireless connectivity technology in
     2011: RF for remote control and remote
                                                    Sony Ericsson’s Xperia neo will soon benefit
                                                    from ANT+ ULP wireless connectivity                                                           ➔
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications
ZigBee Energy Management and Sensor Centric Applications

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ZigBee Energy Management and Sensor Centric Applications

  • 1. INCISOR TM for the short range connectivity environment Video enabled Issue 157 May 2011 WIRELESS SENSOR AND CONTROL SPECIAL ISSUE THIS ISSUE CONTRIBUTORS: BLUETOOTH SPECIAL INTEREST GROUP EMBER • ENOCEAN ALLIANCE • NORDIC SEMICONDUCTORS ZIGBEE ALLIANCE • TEXAS INSTRUMENTS • IMS RESEARCH TRAC • CAMBRIDGE CONSULTANTS sponsored by www.incisor.tv
  • 2. 2 www.incisor.tv sensing something big Anyone with even a remote connection to the short-range wireless industry will know that wireless sensors and controls are the current preoccupation of legions of engineers, developers and marketeers. If we are to believe the hype, the success that has been seen so far for technologies such as Bluetooth, ZigBee, EnOcean, NFC, RFiD, etc, etc, is as nothing compared to the opportunity presented by wireless sensors and controls. Consumers may have bought a lot of Bluetooth headsets, and there are an awful lot of wireless chips in games consoles, cars, phones, but apparently, when we move into the M2M market, the health and fitness markets, smart homes/smart grids, the numbers are set to rise exponentially. Every man and his dog is claiming that he has the perfect solution. Well, every technology alliance and every individual wireless company is anyway. But which will prevail? To which fence should we nail our colours? And where should we put our hard-earned money? Incisor is uniquely positioned (a cliché as well worn as these trainers I’m wearing at the moment) to find out. We have relationships with pretty much all of the players. It was about time, then, that we reviewed this market. We put the word out that this special issue was to be published, and the response was, let’s say, enthusiastic. I can’t promise that the submissions here are entirely hype-free, but our contributors understand that there is only so much over-blown marketing bilge they can get away with then talking to readers that are as wireless market savvy as Incisor’s. You will have to judge for yourself which story carries most credence, and Dean Gratton has made his own, independent observations. Finally, Incisor.TV attended the Bluetooth SIG’s All Hands Meeting. If you really, really want to know what is going on inside the Bluetooth SIG, but couldn’t make it to Budapest, then watch the Incisor.TV movies in this issue. Vince Holton Publisher & editor-in-chief, Incisor / IncisorTV FOLLOW INCISOR CONTENTS EDITORIAL CONTACTS INCISOR IS PRODUCED/DISTRIBUTED BY: WIRELESS SENSOR AND CONTROL Click I.T. Limited SPECIAL FEATURE - www.incisor.tv Hampshire Gate, Langley, Rake Click here Hampshire GU33 7JR, England CONTRIBUTORS: Tel: +44 (0)1730 895614 BLUETOOTH SPECIAL INTEREST GROUP CONTACT DETAILS: ENOCEAN ALLIANCE Publisher/Editor-in-chief: Click here Vince Holton · vholton@incisor.tv ZIGBEE ALLIANCE Telephone: +44 (0)1730 895614 IMS RESEARCH Sales & Business Development: All enquiries – sales@incisor.tv CAMBRDIGE CONSULTANTS Telephone: +44 1730 895614 TRAC Contributing writers: Click here EMBER Rebecca Russell, Manek Dubash, Dean Anthony Gratton NORDIC SEMICONDUCTORS Paul Rasmussen, Mads Oelholm. TEXAS INSTRUMENTS Views expressed within are those of the Incisor editorial and management representatives, and Click here DEAN GRATTON’S HELICOPTER VIEW of the representatives of sponsor companies. Incisor is distributed on a monthly basis PLUS - to companies and individuals with an interest in short range wireless technology. BLUETOOTH ALL HANDS MEETING Subscribe to Incisor free of charge at: Incisor.TV brings you four movies providing a unique http://www.incisor.tv/subscribe-incisor.php Should you wish to stop receiving Incisor, insight to developments at the Bluetooth Special please send a message titled 'UNSUBSCRIBE' to: Interest Group. mailto:incisor@incisor.tv The Bluetooth word mark and logo are registered trademarks and are owned by the Bluetooth SIG, Inc. Incisor and the Incisor brandmark are trademarks of Click I.T. Ltd. All other logos and trademarks are the property of the relevant companies. © Copyright Click I.T. Ltd 2011
  • 3. 3 www.incisor.tv news Android to seize 45% Burden concluded, “The overall smartphone market growth for 2010 is not extension to tower and rooftop-based LTE macrocell deployments. In a traditional of smartphone market really so surprising: what is more significant is the 19% compound annual macrocell configuration, LTE promises to deliver 2-4X the capacity of current 3G by 2016 growth rate (CAGR) contained in our networks, but with leading operators forecasts through 2016.” witnessing mobile data growth of 7 - 30X 302 million smartphones shipped in 2010, over the last 3 years, LTE macrocells alone according to ABI Research, chalking up a will provide only temporary relief from data resounding 71% growth over 2009’s Small cell base station congestion. As a result, operators are leveraging both small cell architectures and shipment levels. combines LTE and Wi-Fi unlicensed spectrum in order to augment Android’s success since its launch is capacity in areas of high use expected to continue: some 69 million As mobile operators worldwide plan and concentration. smartphones running the Android operating deploy LTE networks to support the growth system shipped last year, and ABI Research in mobile data demand, a new class of expects that in 2016 Android will have captured 45% of the market. small cell base station, known as outdoor metropolitan picocell, is gaining traction. MusiCALL – clip-style “Android, Bada and BlackBerry have a great According to industry research firm, In-Stat, stereo Bluetooth opportunity to fill the vacuum being left by the outdoor metropolitan picocell market is the disappearance of the Symbian OS forecast to top $5 Billion in 2014. In that solution from Bluetrek within the next two years,” senior analyst same year, other forecasts suggest that Michael Morgan told Incisor. more than two billion Wi-Fi chipsets will Bluetrek has released a slightly different ship, reflecting Wi-Fi's continued popularity take on the Bluetooth wireless headset Apple’s iOS, which held 15% of the market in smartphones and tablets, the devices solution, launching a product called in 2010, should continue moderate but driving mobile data and video consumption. MusiCALL, which is a clip stereo headset steady growth over the mid-term, backed Against this backdrop of increasing mobile with 3.5mm jack compatibility. by new product introductions. ABI Research data demand, LTE small cell adoption and forecasts 19% market share for iOS in Wi-Fi enabled device growth, BelAir You can clip the MusiCALL pendant to 2016. Networks has launched the BelAir100LP your shirt to give you wireless control of LTE Picocell, a compact outdoor small cell your tracks (play, pause, next, previous, RIM, which held 16% of the market in 2010, base station that combines LTE and volume +/-) whilst leaving your smart is expected to lose just a little ground: 14% 802.11n Wi-Fi and can be installed and phone in your pocket or bag. is the forecast for 2016. “RIM’s slight loss activated within 15 minutes. of share doesn’t mean falling shipments,” A 3.5mm input jack allows you to connect said Vice President Kevin Burden. “RIM has "In live network trials with Tier One your favourite earphones or headphones. found its niche, but the consumer market operators, we've proven that combining Music will stop when a call comes in and will grow faster than its portion of it.” licensed and unlicensed wireless restarts when you end the call. technologies in a small cell base station is a Of the newer entrants in the smartphone OS very effective way to handle growing mobile Bluetrek was showing the MusiCall at the arena, Windows Phone 7 and Samsung’s data traffic," Bernard Herscovich, President Spring edition of the Hong Kong Bada are both aimed at low- to mid-range and CEO, BelAir Networks told Incisor. "The Electronics and Global Sources Fairs that handsets. “With 4 million units shipped in BelAir100LP features a modular platform to took place during April. The suggested 2010 (amounting to a 1.5% market share), accommodate operators' LTE preferences retail price (SRP) is USD69.99 or €59.90 Bada has taken off very well, very fast,” and leverages patented innovations that Morgan added. “Bada may reach 10% address the installation challenges – Bluetrek is also launching a headset it market share by 2016. Windows Phone 7, including backhaul, power and mounting – calls CARBON, and claims it is the on the other hand, which shipped in two that have impeded widespread picocell world’s first Bluetooth headset made of million handsets in Q4 2010, will have to adoption to date." carbon fibre. Apparently, the patented find incredible success through its Nokia mechanism embedded in the carbon fibre channel to take more than 7% of the market The BelAir100LP is designed to provide a tube allows extended talk time, yet by 2016.” high capacity underlay or coverage reduces weight to less than 6grams.
  • 4. Free Latte from JavaJoe
  • 5. 5 www.incisor.tv INCISOR.TV VIDEO REPORT Sponsored by Didn’t make it to the Bluetoooth Special Interest Group’s 2011 All Hands Meeting in Budapest? Never mind. The Incisor.TV crew was in attendance, and we now bring you four video pieces covering some of the main presentations made at the Bluetooth SIG’s annual event for its member companies. Click on the screens to view the four AHM movies. KEYNOTE: MIKE FOLEY The Bluetooth SIG’s executive director delivers the All Hands Meeting keynote, and talks of Disruptive Change within his organisation MEET THE BOARD OF DIRECTORS Our own Vince Holton moderates the Bluetooth SIG Board of Directors panel session. This is the opportunity to ask those awkward questions... INTRODUCING THE BLUETOOTH ECOSYSTEM TEAMS (BETs) Suke Jawanda, the Bluetooth SIG’s chief marketing officer, provides an overview of the SIG’s recently created BETs teams, which will manage Bluetooth’s successful implementation in new markets GUEST SPEAKER Hampus Jakobsson, of That Astonishing Tribe (TAT) says that the human/PC interface hasn’t improved for decades. Could his presentation ‘The future of screens’ be heralding change?
  • 6. 6 wireless sensors and controls – special feature section Incisor special feature: All you need to know about wireless sensors and controls In this section, experts from Cambridge Consultants, TRaC, the Bluetooth Special Interest Group, the EnOcean Alliance, the ZigBee Alliance, Ember, Nordic Semiconductor, Texas Instruments and IMS Research, plus our resident techxpert Dean Gratton, examine the potential of a technology sector that is set to dramatically expand the short-range wireless market. M2M, sports and fitness, medical applications, payment and ticketing systems – the applications seem limitless. If it’s not clear which wireless technology will dominate, then read on. If you’d like to comment on any element, then email Incisor at: incisor@incisor.tv
  • 7. 7 wireless sensors and controls – special feature section How smart are we being in our quest for smart metering? Richard Traherne, Cambridge Consultants. By Richard Traherne Head of Wireless and Commercial Director There’s no question that energy is firmly on the political agenda. The EU2020 energy targets, developed to tackle climate change, have now been approved by most European countries. They aim to reduce energy consumption and greenhouse gas emissions by 20% in the period from 1990 to 2020, with the UK government in fact targeting an overall reduction in greenhouse gas of 80% by 2050. This has arguably been the most significant driver for the roll-out of an advanced form of metering, known as ‘smart metering’, across Europe. Smart meters will be a component within an overall infrastructure that will enable us to consume our finite energy resources in a more intelligent manner. Already, initiatives such as micro-generation, electric vehicles and smart appliances are well underway to play their part in this future panacea. Against this backdrop, wireless technology is poised to be an essential ingredient in the solutions that enable this future generation of A potential UK smart infrastructure energy infrastructure. With one of the largest independent wireless development teams in metering cannot be considered alone; smart countries the meters are owned by the grid the world, Cambridge Consultants has appliance and smart grid solutions must be operator, whereas in others they are owned by developed a range of wireless solutions over created, for all geographical locations the energy suppliers. This has a big impact on the years for the energy sector and is now required. In particular, issues related to funding sources for the overall system, its very active in the area of smart metering, as it standardised interfaces (to create inter- architecture, as well as to the security and is known today. However, in this article I’m operable devices and systems) and a growing access rights within a meter. going to take a wider view than just the concern for greater security and personal wireless technology. For the most part, data privacy have protracted the overall Conversely, equipment manufacturers want to ‘adequate’ wireless solutions exist, but the development cycle. reduce cost by increasing economies of scale smart metering market is still developing very and standardising designs wherever possible. slowly. In this edition of Incisor, I’m therefore At a geographical level, the ownership Presently, this is possible for the metrology going to review some of the wider issues that structure of energy supply varies considerably within the meters, but not for the new ‘smart’ will need to be resolved to allow targets, such from one country to another, even within communication, security and payment as the 2020 targets, to be met. ‘harmonised’ Europe. For example, France functions. Standardisation of these smart and Italy have large monopoly electricity functions is an uphill battle and there is a Overall, the programmes have become much suppliers, but these companies do not supply general acceptance that many of these more complicated than originally envisaged. gas. By contrast, the UK has six major energy functions will inevitably continue to vary from This has largely been due to the need to companies who supply electricity and gas, one country to another. In addition, people are obtain consensus and buy-in from a wide coupled with a market that encourages still learning about the implications of adopting range of parties, including governments, companies and consumers. Of course, smart consumers to switch supplier (currently about 100,000 switches per week). In some smart metering, so the requirements will continue to change as the market matures. ➔
  • 8. 8 whitespace radio – special feature section In response to this regional variation and the Germany and the UK also have strong need to provide future flexibility, many manufacturers are attempting to design their national security groups defining the requirements for data security and privacy in Cambridge equipment in a modular (logical or physical) smart metering equipment and systems. Consultants Blogs manner based on clear interface definitions (APIs, communication protocols, RF Against this backdrop of competing Why are we blogging? We believe that standards, data objects, hardware modules, technologies and solutions, Cambridge the technology market is much better profiles etc), which some seek to standardise. Consultants has applied its experience of when it is highly connected, and social For example, the main options for data developing energy, communication and media is a fantastic tool that instantly objects in Europe are DLMS and ZSE (ZigBee security solutions over its 50 year history, to connects people who face similar Smart Energy), whereas in the USA ANSI C12 author a family of interface specifications to challenges, irrespective of whether they and ZSE are being considered. The energy assist companies to develop smart metering are budding entrepreneurs running their suppliers are generally powerful in these systems. These UMI (Universal Metering first high growth start up company or a standardisation decisions, when they are the Interface) specifications allows meter captain of industry in charge of a global entity purchasing metering equipment that manufacturers and energy suppliers to bluechip company. So, if you’d like to add they wish to be inter-operable. progress roll-out of smart meters, whilst to the debates, please feel free to retaining the flexibility to adopt new metering comment on any of our blogs. It would be In addition, the preferred wireless communication technologies at a later date. great to hear from you. communication solution for each geography UMI protects their investment by is still in flux. To take the UK as an example; standardising the connection of smart Patrick Pordage much of the planning in the UK is being led metering communications and control Marketing Communications Director by DECC (the Dept of Energy and Climate modules inside the meter. The UMI Cambridge Consultants. Change). Presently, the UK plans for all gas specifications cover a module interface and electricity meters to contain 2-way (based on SPI), an opto Interface used by Corporate Blog communications to the Metering HAN. In installation and service engineers, based on Our corporate blog covers new product addition it plans to install a Communications EN62056-21 (FLAG port) and security development, open innovation, Hub and IHD (In Home Display) in every interfaces with symmetric security based on accelerating start up companies and other home. It is envisaged that the IHD will engage AES-128 and asymmetric security based on topics that involve using innovation to the consumer to be more energy-aware, ECC-256. UMI has already been adopted by achieve market leadership, along with leading to reduction in consumption (akin to several key players, including Elster Gas in technology stories that we hope you will the fuel efficiency gauge in a car). The Europe. The specifications will be transferred find interesting/ Communications Hub will contain links to a to the UMI Alliance when it is formed, but are national WAN, the Metering HAN and already available without charge now. Consumer Products Blog hopefully to a Consumer HAN as well. The Topics include connected devices, consumer HAN will provide smart metering beverage dispensing, eco innovation, new information (e.g time-of-use pricing) to smart product introduction (NPI), open appliances. The consumer could therefore tell innovation, novel control interfaces and a washing machine when to finish and let it other topics related to our development of choose a low-carbon or low-price time to run. innovative consumer electronics, The Metering HAN will probably be wireless, domestic appliances and fast moving The UMI logo consumer goods. with ZigBee and Wireless M-Bus being two (see http://www.cambridgeconsultants.com/ contenders. There is less support presently to news_pr252.html) standardise the Consumer HAN, although Wireless Medical Blog WiFi is gaining some support as a potential Examining mobilehealth and telehealth solution. The WAN is a long distance link from technology ad market challenges, this all 26 million UK homes to a new organisation blog provides insight from implantable called the DCC (Data Comms Company). This and hospital communications to will in turn pass messages on to the relevant consumer health applications. energy supplier. The WAN technology has not been selected yet and a variety of Mobile Wireless Technology Blog wireless and wired technologies are being Smartphones, netbooks and tablet PCs considered. are making mobile connectivity an essential part of everyday life for many In other regions the outlook is even vaguer at people. This blog examines the issues the present time. In France and Italy the faced by technology professionals, electricity and gas companies do not plan to network operators and industry analysts have shared networks for electricity and gas, working to keep people connected on the so there will almost certainly be separate So, the next few years will certainly be move. WAN connections to each home for gas and interesting times in the smart metering electricity. This will be particularly challenging market. If the published timescales are to be Short Range Radar Blog for gas meters, which are battery-powered. met, then a lot of further agreement is needed Devoted to the topics surrounding short These countries don’t plan to create HANs in a very short time, if good economic and range radar systems in the 0 to 10km within the home. There will be no IHD and no technical solutions are to prevail. Let’s hope range. Examples of systems covered connections to smart appliances. So the that we all don’t lose sight of the basic end- include in-wall, through wall, short range equipment may be very different indeed. goal, of preserving our planet, in our fight to border surveillance and in-fill radar for preserve or further our own positions! both ATC and military applications. This variation leads to changes in the way that security is maintained within the system. www.cambridgeconsultants.com Security solutions must address personal data privacy, which is subject to legislation such as the European Human Rights Act for UMI and the UMI logo are trademarks of Follow us on Twitter: example within Europe. The Netherlands, Cambridge Consultants Limited. @CambConsultants
  • 9. 9 wireless sensors and controls – special feature section Wireless sensors and networks – the compliance web Joe Lomako, TRaC unravelled! By Joe Lomako, Business Development Manager, TRaC Wireless technology has become an integral part of everyday life. It is almost impossible to go through a single day without using any wireless device in some aspect of your daily routine. It is everywhere; in all manner of products and with varying degrees of complexity and security. This is particularly the case in the wireless sensor and control industry, which really does cover an enormous range. If you sit and think for a moment and ask; what is the wireless sensor and control industry? What products belong to this family? Where are they placed and what do they do? Most consumers are aware of the “traditional” wireless products, such as mobile telephones or wireless broadband routers or car key fobs, but they are completely unaware of the less obvious devices out there? Well, they could be anything or anywhere, for example; A thermostat in a house or a commercial workplace, a drug delivery and are so anonymous in their existence in mesh network which assists in the monitor in a hospital or even in a leak that the user is completely unaware of the construction of larger (geography) networks. detector/alarm in a heavy industrial site engineering effort which has been There are also proprietary technologies such as an oil platform. These are just a expended in bringing it to market. The (protocols) which can be used instead of few simple examples of some of the wireless technologies which have been those mentioned but at the end of the day applications that demonstrate the wide used are somewhat diverse and the they all still use the phenomena that is area in which these technologies are being chosen technology depends on the radio – an electromagnetic wave. employed. I’m sure the readers of this application requirement and sometimes publication can either think of more through the personal choice of the Compliance Requirements: It has obscure situations where wireless designer, but of course mainly the former! already been mentioned that these devices technology is employed and are probably Clearly, however, an application that needs are used all over the world; opening up a even involved in the design and a high data rate in the tens of MHz would whole new chapter in the development of production. Getting a product of this type probably use something like Wi-Fi, and a these products. Almost everything which is to market can also be quite involved so requirement for a lower power, lower data put onto the world market has to comply let’s look at that in a bit more detail. rate and duty cycle could use Bluetooth with some certification or regulatory wireless technology, ZigBee or ANT+. standard(s). Which standards apply is very Ubiquitous Radio - These products are being used in the four corners of the world ZigBee does of course have the added advantage of being able to establish a true much dependent on the final application of the product. This sounds like common ➔
  • 10. 10 wireless sensors and controls – special feature section sense, but sometimes selecting the correct present considerable extra expense as Each of the directives mentioned generally standard for the final application may be well as delays in the release to market for recognise “harmonised standards” where open to debate or simple error. It may a product. testing to the applicable product standard need the services of an expert to provide allows the manufacturer or person assistance on what should or should not Case Study: Consider a more marketing the product to assume a be applied. For example, a not uncommon comprehensive example such as the leak “presumption of conformity”. These misconception is that testing to the suite sensor on the oil platform. Scenario: The standards provide the minimum test of radio test standards is all that is sensors are placed at regular intervals requirements to comply with the required to cover the compliance along a pipeline carrying flammable liquid. appropriate directives; however, many requirements of a wireless enabled The leak sensor device has a dual mode manufacturers decide to test up to the product. This may be true in some in that it can detect leaks and then send minimum levels and beyond thereby instances, but as we have seen, products an alarm signal via a ZigBee mesh demonstrating further hardiness of their are so diverse in their complexity a network. product. If the manufacturer wishes to detailed compliance assessment should be place their products further afield than, say applied to ensure full coverage. There may So what approvals would be required the EU, there may be further requirements be, and usually is, some commonality here? Firstly, the RTTE Directive would of the individual countries of choice which between the compliance requirements of have to be satisfied. This covers Radio, must be satisfied. This again demonstrates similar products. EMC and Safety. But, what else? Well this the need for a structured compliance plan. unit is in a potentially explosive Take for instance a wireless temperature atmosphere and therefore would also fall Complex Process: In summary, controller (for use in the EU); the usual under the ATEX Directive (94/9/EC). This achieving compliance may appear to be a standards for radio apply irrespective of is a mandatory requirement and over 65% complex process, but it can be made the host product. This would be EN 300 of products require a 3rd party much simpler providing enough planning is 328 for a ZigBee or Bluetooth enabled assessment. In addition to this there may made to incorporate an accurate device, but the standard may differ for also be environmental requirements such compliance program into the design other wireless technologies. But when the as vibration, dust, heat, cold tests phase. It is also important, to ensure that other compliance requirements are because of the environment in which it is the design and compliance program is applied, such as safety, these may vary to be placed. Although many of these are suitable for the product and its final dependent on the intended operating not mandatory requirements, designing a environment. However if in doubt an expert environment. If the temperature controller product with these environments in mind hand is not too far away! is to be used in an industrial environment and demonstrating its hardiness through and domestic environment, dependent on these tests will positively enhance its its functionality it may require safety position as a quality and durable device. testing to two totally different standards. There is quite often a cross referencing of A somewhat similar approach is observed standards which usually helps in the with say a medical device which hosts a minimising and simplifying the process, but wireless communication module. Again again that is where the assistance of the the RTTE directive must be satisfied, as professional compliance expert can ensure well as the Medical Device Directive, but that the most cost effective process is here also, if the device is in a potentially traversed, because errors at the early explosive environment again the ATEX stage of the development process can directive may also apply.
  • 11. 11 wireless sensors and controls – special feature section Bluetooth: The second wave By: Mike Foley, Mike Foley, Bluetooth Special Bluetooth SIG Executive Director Interest Group Each year, the Bluetooth SIG membership and staff come together to examine where we’ve been in the past year and take those lessons learned to move our charter, the creation and promotion of Bluetooth, the best wireless technology, forward. This year marked our tenth All Hands Meeting (AHM), and my what a difference a decade makes. At our first gathering of minds in Los Angeles in 2002, Bluetooth chipsets were selling at $13 a pop (they sell for less than $1 today), analysts were predicting “millions of chipsets” to sell by 2005 (we sold almost 2B in 2010 alone), and just over 2000 companies had signed up for membership in the SIG – that number stands at more than 14,000 strong at latest count. The first wave of Bluetooth technology was a success by any measure. The technology experienced explosive growth, moving time to build on that success. The first of five Bluetooth Ecosystem Teams, known from 0 to almost 2B units shipped in less wave helped transform the mobile phone as BETs. BETs are now working to support than eight years. “Bluetooth” is now a industry and created multi-million dollar the mobile phone, PC/CE, health & globally recognized brand and accessory industries as a result. Now, with wellness, sports & fitness, automotive, and synonymous with hands-free audio and Bluetooth v4.0, we’re at the beginning of a smart home industries. Each BET is made headsets. There are several key success massive second wave of Bluetooth up of representatives from the leaders in factors attributable for this success – it technology that is just as transformational. those industries and it’s those leaders who was the right technology at the right time; We’re poised to positively impact the lives will help us drive the market direction for legislation, like hands-free laws, acted as a of hundreds of millions of people the world Bluetooth technology in that segment. driving cultural force; many companies put over through billions of Bluetooth in much hard work, and we were connected devices. We’re adding two new board members to successful in creating strong commercial the Bluetooth SIG Board of Directors – alignment with industry heavyweights in To seed the second wave, you will see change that has not happened before in the the mobile phone, PC/CE, and automotive change from the Bluetooth SIG – change in history of the organization. If you’d like to sectors. how we operate that will create change in be considered for one of the open seats, the marketplace. The SIG is turning the find the criteria and submission process While we’ve come an incredibly long way ship to once again be a market-focused here: www.bluetooth.org. at a record shattering pace, we stand at a organization. We are paving the way for place today that seems eerily familiar to entry into new markets, like healthcare and We’re going to market with an updated those who initially got this technology off smart energy and the smart home, where value proposition that reflects the true the ground. We’ve reached major wireless, let alone Bluetooth technology, brand promise of Bluetooth wireless milestones in shipments, price, and has not yet fully penetrated and there is technology: Simple. Secure. Everywhere. company support; we’ve beefed up staff much opportunity for Bluetooth sensors Let’s break that down: and created a world-class testing and and control devices. qualification program; we’ve witnessed the Simple. The promise of Bluetooth proliferation of this technology into over a thousand different device classes – and it’s To make that entry smooth, we’ve created a new marketing team structure consisting technology, and the experience of most users today, is that it just works. ➔
  • 12. 12 wireless sensors and controls – special feature section The simplicity it brings to everyday life is Bluetooth is liberating data – data that devices worldwide. As more devices are that of convenience, of freedom, of ease. has been stuck in “dumb” devices and Bluetooth enabled, more value is accreted Simple is core to our brand promise. not used to its fullest capability. to the Bluetooth network and the individual Bluetooth technology enables devices that comprise it. The ever-growing Secure. In many ways, the keys to our applications – both on the “hub” device Bluetooth network is what separates this lives reside within the mobile devices we and in the cloud – to turn data into technology from competing technologies carry with us every day. Wireless does not information. That’s a very powerful and accretes great value into member equal insecure. Bluetooth technology is a promise. And it’s happening. products and convenience and value to secure fortress for the digital information end-users. we carry and share daily. It’s this promise, this reality, of “everywhere” that creates the Bluetooth Today, the scale of our technology and the Everywhere. You know Bluetooth is a network effect. Simply put, the value of Bluetooth network effect is very large. We global standard. You know it’s in our members’ product increases when are on a trajectory for it to be massive. thousands of device types, and billions of it’s powered by Bluetooth technology That second wave, combined with the first, products. You may think that has and thus is available to interoperate and will create a Bluetooth ocean of “everywhere” covered, but think again. By connect into the vast Bluetooth opportunity – five billion devices in the efficiently connecting devices everywhere, ecosystem compromised of billions of year 2015. It’s coming. Snippets ST-Ericsson reports first quarter 2011 financial results ST Ericsson reported net sales $444 million and an adjusted operating loss $149 million for Q1 of 2011. On the upside, the company told Incisor that its new high-speed modem sales nearly doubled sequentially "Revenue in the first quarter reflected normal seasonal trends but declined more than anticipated on a sequential basis due to a steeper drop in sales of our legacy products, which is not yet offset by sales of new products. Primarily due to these lower sales, our adjusted operating loss increased sequentially, said Gilles Delfassy, ST-Ericsson president and CEO. Zomm appoints CFO Zomm, the creators of a Bluetooth-based wireless Leash for mobile phones, has appointed start-up executive Nathan Gooden as its chief financial officer (CFO). Gooden is responsible for driving ZOMM’s financial strategy as the company continues its international growth. Having started his career at PricewaterhouseCoopers, where he served as a lead auditor and member of the Offshore Investment Management Assurance Practice, Gooden apparently identified key financial drivers in clients’ businesses to improve productivity and overall profitability. NFC Forum White Paper on Smart Posters The NFC Forum, the industry association that advances the use of Near Field Communication (NFC) technology, has published a White Paper about developing and deploying NFC Smart Posters, subtitled "How to use NFC tags and readers to create interactive experiences that benefit both consumers and businesses." The paper is available for download at no charge from http://www.nfc- forum.org/resources/white_papers Fortress Added to DoD Approved Products List Fortress Technologies’ ES520 Deployable Mesh Point and ES210 Tactical Portable Mesh Point have been added to the Department of Defense (DoD) Unified Capabilities Approved Products List (UC-APL), establishing it as an approved technology for use across the DoD. Fortress claims that the ES520 was the first fully rugged, tactical wireless solution suitable for outdoor use included on the Army's Information Assurance (IA) APL in 2009. Revised ZigBee Smart Energy V2.0 tech docs available The current revisions of the ZigBee Smart Energy version 2.0 Technical Requirements Document (TRD) and Public Application Profile are available for public comment by the Smart Grid community at large. Public comments received last year for both documents, and Alliance responses, are also available for review. The Alliance is now accepting public comment on these revised documents for 30 days.
  • 13. 13 wireless sensors and controls – special feature section EnOcean Alliance: buildings controlled over the Internet The Internet protocol (IP) has become a worldwide standard, with not only PCs or laptops but many other different devices communicating over the Internet. Currently there is much discussion of the idea of assigning every socket and every lamp its own IP address and then connecting them over the Internet. What many do not know is that today already all electric appliances can be addressed over an IP network — enabled by batteryless wireless technology and matching access points. EnOcean's wireless solutions harvest the power they need from their surroundings — from motion, light or temperature differences — and in this way enable entirely energy-autonomous and maintenance-free automation applications. Teamed with the TCP/IP protocol the user has possibilities comparable to those of established building automation systems plus cost- savings in installation, huge simplification of the cabling, and flexible configuration of space. For this reason the operators of a retirement home in Germany decided to install the batteryless wireless solution. In a first step, the wireless system is being installed in the new building of the retirement community. Then the existing, adjoining building is to be converted. All public areas will be subsequently fitted with combined presence sensors. opens the doors to the residents own windows and doors are open, how warm These and LED’s will ensure that lighting apartment and all public areas. Entering it is in individual apartments. is always optimal in corridors, recreation the apartment, the resident only has to Unobtrusively, residents can be assured rooms, cafeteria and the like. At the insert the card in the holder next to the maximum comfort, convenience and same time these presence detectors will door and electric appliances are security. Any serious deviation from save energy because lights automatically immediately powered. Removing the card normal daily routine becomes visible. turn off in rooms when they are will turn off lights and critical loads such unoccupied. as a cooking plate. The wireless Automation of the retirement home technology plus visualization software implements software from BSC, with its In future the apartments will no longer enable staff to supervise the status of all IP-oriented architecture. It allows an have mechanical keys. Every resident will get an individual plastic card, which appliances, as well as windows and doors, so they know at all times which unlimited number of sensors to be linked and is easily expanded. Installed on all ➔
  • 14. 14 wireless sensors and controls – special feature section INCISOR TV Video presentations When it comes to assessing what is really going on in the market, there is no substitute for seeing products in action and hearing 100% accurate information from the people at the sharp end. Incisor TV provides that insight. Click on the links below to watch recent Incisor TV presentations IncisorTV at CES 2011 – Bluetooth Best of CES IncisorTV at CES 2011 – Day 2 IncisorTV at CES 2011 – Day 1 Rococo discusses LocalSocial Bluetooth High Speed Technology Frontline – Interoperability testing Bluetooth SIG BETS programme Frontline – BPA500 protocol analyser Aftermarket Bluetooth versus Factory fit Who needs stress? Says Jabra EnOcean Alliance – energy harvesting technology Aftermarket Bluetooth versus factory fit Bluetooth 2010 All Hands Meeting Anoto - 10 years of digital pen and paper BiteBack Sweden CES 2010 Daily Show report – Day 1 floors of the building are EnOcean access all chores to be handled with a single CES 2010 Daily Show report – Day 1 points with a LAN interface. These have device. their own processor and memory for 3,000 CES 2010 Daily Show report – Day 1 EnOcean telegrams. In this way no sensor EnOcean technology and IP create perfect BiteBack Asia signal is lost, even if the network or the solutions. EnOcean enabled devices BiteBack USA building computer briefly fails. An encoded possess a unique ID address, so they can IP link enables the networks of the two be integrated seamlessly in an IP network BitBack UK buildings to connect to one another. That through an access point. That does away IncisorTV commercial for CSR/SiRF merger enables the nighttime staff in one building with any elaborate, extra web server to take over supervision of the monitor in solution for each sensor and actuator. The DECT Forum and CAT-iq in 2009 the other building, when those are busy user is rewarded with more flexibility, Bluetooth SIG – Best of CES 2009 with an occupant. Another major comfort and convenience, accompanied WiMedia Alliance – UWB in 2009 component is iPads for the staff, tied by by low installation costs and reduced WLAN to the overall system. That enables power needs. Incisor showreel WiMedia special - UWB - a high performance solution / part 1 WiMedia special - UWB - a high performance solution / part 2 The EnOcean Alliance is a consortium of companies have created over 700 WiMedia special - WiMedia and Bluetooth leading companies from the building different products for applications ranging sector promoting the energy harvesting from room thermostats through to WiMedia special - Updating the wireless technology for green buildings. wireless window contacts up to smart grid WiMedia roadmap Confirming this technology’s rapid solutions. All products are entirely WiMedia - The future for UWB adoption rate, there are more than interoperable. This means that solutions Bluetooth low energy wireless technology 100,000 worldwide equipped with the from different manufacturers can work batteryless technology. Quickly becoming together in the same automation system. IncisorTV commercial for CSR – the industry standard for sustainable Products incorporating the self-powered BlueCore7 buildings, energy harvesting wireless technology are easily to integrate into IncisorTV commercial for CSR RoadTunes technology enables Alliance members to common building automation systems - develop products used to improve the such as LON, KNX, BACnet or TCP/IP. IncisorTV commercial for CSR energy efficiency and flexibility in BlueCore Player buildings. More than 170 member www.enocean-alliance.org A guide to Bluetooth Version 2.1 + EDR 10 years of Bluetooth / Best Bluetooth of CES 2008 CES 2008 – Profile of Parrot Introducing Incisor 2007 Wireless Symposium
  • 15. 15 wireless sensors and controls – special feature section ZigBee Alliance: Control Your World By Benno Ritter, ZigBee Alliance, VP Marketing and Business Development Since 2002, the ZigBee® Alliance, a non- building automation, and industrial plant Controlling Your Energy Use profit Standards Development management. The cornerstone of Organization, has grown to a thriving, ZigBee’s success has been its open Before we begin talking about products, it’s global ecosystem of approximately 400 standards approach that has spurred important to understand the capabilities members. These include some of the innovative low-power wireless solutions and benefits. ZigBee Smart Energy™ is a world’s industry-leading consumer designed to provide customers the tools global, low-energy consuming, low-cost electronics manufacturers, technology and technology to better manage their wireless standard for interconnecting and energy solution vendors, environment through the use of Wireless devices in home area networks (HANs) and telecommunication service providers, Sensor Networks (WSNs). delivering advanced metering utilities, energy service providers, infrastructures - essential components of semiconductor companies and As standards evolve and products are the many Smart Grid efforts underway manufacturers looking to develop launched, the Alliance continues building worldwide. Today, the majority of innovative products based on ZigBee’s its momentum by applying its core WSN communication between consumers and global wireless standards. Today, standards to new market applications. utilities is limited to monthly bills or organizations use ZigBee to deliver One of the key areas gaining momentum is outages. ZigBee Smart Energy enables solutions for a variety of areas, including the growing adoption of ZigBee Smart real-time wireless communication between healthcare, consumer electronics, Energy™ and number of ZigBee Smart utilities or energy service providers, the energy management and efficiency, telecom services, home and commercial Energy™ certified products in Smart Grid deployments around the world. Smart Grid and household devices such as In-Home-Displays, thermostats, water ➔
  • 16. 16 wireless sensors and controls – special feature section heaters, and appliances. It gives Removing the direct “line of sight” consumers the information to improve requirements gives consumers freedom to their energy efficiency, save money and control devices from greater distances. help the environment. Using ZigBee As an energy efficient standard, Smart Energy, utilities and energy service consumers will enjoy remotes that last up providers can offer valuable customer- to 300% longer than remotes using centric programs such as demand infrared (IR) technology. response, remote connect/disconnect, “pay-as-you-use” and net metering. One of the newest Alliance initiatives this year is to develop a standard that delivers In January 2011, ZigBee Smart Energy the ultimate 3D viewing experience, reached the 100th ZigBee Certified ZigBee 3D Sync. This standard creates a product milestone. Various products more flexible and efficient connection manufactured by 49 different companies between 3D HDTVs and active 3D are available in every product category to glasses. ZigBee 3D Sync will also replace implement a robust HAN, from energy IR technology used in today’s 3D service portals to meters, In-Home- products, by providing a standard robust Displays, programmable communicating radio frequency solution. Consumers will thermostats and more. In order to make it enjoy greater freedom of movement while easy for utilities and governments to wearing 3D glasses without disrupting 3D deploy interoperable, secure, consumer- HDTV viewing. friendly smart grid solutions, all ZigBee Smart Energy products are required to Smarter Health Controls pass the ZigBee Certified product program. ZigBee Health Care offers new ways to help people maintain their independence Currently, ZigBee Smart Energy is in and live healthier, happier lives. With active deployment around the planet. ZigBee Health Care, the disabled and the In the U.S., 11 utilities are installing more elderly are able to stay at home rather than 40 million meters, with Texas and than in a hospital or assisted care facility. California leading the pack with millions The result is a higher quality of life while of meters installed. The State of Victoria lowering healthcare costs. Additionally, in Australia has deployed meters and has it enables secure monitoring and also begun installing water meters that management of noncritical, low-acuity take advantage of ZigBee’s extraordinary healthcare services targeted at chronic battery life. In the UK, British Gas has disease management. announced it will use ZigBee Smart Energy in its multi-million electric and gas ZigBee Health Care is a part of the meter base. Continua Health Alliance’s 2010 guidelines as the preferred low-power LAN standard While much activity has been centered for health care products. Now any variety around smart metering and devices in the of IEEE 11073 medical devices using home that connect to the meter, work is ZigBee Health Care, including starting on the plan to build the required glucometers, pulse oximeters, infrastructure needed to support millions electrocardiographs, weight scales, of Electric Vehicles (EVs). EVs represent thermometers, blood pressure monitors special and very large loads and without and respirometers can connect to a careful management of EV charging, our network and report health information. current distribution system will collapse. ZigBee's extremely power efficient design Recently the Society of Automotive is well suited to this class of device since Engineers and the ZigBee Alliance it allows them to work for long periods of announced a collaboration to use ZigBee time without needing battery replacement Smart Energy to define how EVs and the or recharging. grid interact. More Choices for Control Control for Your Consumer Overall, ZigBee standards give product Electronics manufacturers a straightforward, ready-to- For more flexibility and control, the implement solution to help their Alliance has expanded the number of customers gain greater control of, and standards designed for ZigBee RF4CE. even improve daily activities. A growing This wireless platform provides a more number of ZigBee Certified products of all advanced, energy-efficient solution for classes is a testament to the strength of use in remote controls and accessories the ZigBee WSN standards in the like keyboards and active 3D glasses. marketplace. And since the use of ZigBee Remotes using the ZigBee Remote in the Internet of Things is limited only by Control standard deliver two-way one’s imagination, the Alliance will communications, so you know when the continue to offer more innovative device has actually completed standards designed to help you control commands. Another great feature is that your world. it allows consumers to “just hit play,” without aiming their remote at a player.
  • 17. 17 wireless sensors and controls – special feature section ZigBee propagation testing for smart metering networks By David Egan, Product Marketing Director and Simon McCarthy, Field Application Engineer at Ember Corporation The UK Government requires energy be argued that UK housing stock uses Ember’s SoC is particularly suitable for this suppliers to take all reasonable steps to different building materials. Yet numerous type of testing for two reasons; deploy smart meters at customer ZigBee products are already in use in residences by 2019, with the mass Europe, mainly in home automation or • It can support transmission power of rollout to start in 2014. ZigBee Smart lighting markets, and major European +8dBm and receive sensitivity of - Energy is a potential solution to be used manufacturers have satisfied themselves of 102dBm, a dynamic link budget of in smart metering home area networks the propagation performance of ZigBee. 110dBm and transmitting close to the (HAN), which will include electric However, no-one has published their test legal limit of +10dBm without the meters, gas meters and in-home data to inform the market in general. expense and power consumption of an displays. As well as the maturity and external PA or LNA; and popularity of the ZigBee Smart Energy With the increased interest in smart • The EM357 is a popular chip used in application profile, ZigBee’s essential metering in the UK tempered by the lack of many ZigBee Smart Energy HAN strength is its self-healing mesh available published material, Ember has devices in the US and the UK, so it is networking capability, ensuring robust worked with a number of organizations to directly relevant to the market. communications. test ZigBee propagation. Ember has provided its ZigBee technology for these The following are two examples, as well as However, many of these early HANs will tests, including the EM357 ZigBee system- the results, where Ember has supported not contain enough mains-powered on-chip (SoC), as well as technical this type of testing: the University of devices to create a mesh with alternate information and advice on RF and ZigBee Sheffield and EDF Energy. paths. And in many cases an in-home matters. display or gas meter will need to be able to communicate directly with an electric meter or communications hub. Additional routers would ensure robust communications, but they would add to support and hardware costs. This highlights a need to examine the point-to- point propagation properties of ZigBee, which operates in unlicenced radio bands in the 2.4GHz spectrum. Some who have had poor experiences with propagation of other 2.4GHz solutions may fear that ZigBee will be similarly challenged in real homes, resulting in communication failures and negatively impacting the consumer experience. Widespread use of ZigBee Smart Energy in US smart metering programme is of little comfort, because US regulations allow Trial 1 - Windows Closed, Ground Floor, (First Floor), [Second Floor] devices to transmit at much higher power ➔ levels (100mW/+20dBm) than in the UK Figure 1: Plan of one of the tests carried out by University of Sheffield and Europe (10mW/+10dBm). It could also (source: University of Sheffield interim report draft, March 2011)
  • 18. 18 wireless sensors and controls – special feature section University of Sheffield tests The figure (on page 16) from University of apartment block. Again, the EM357 was used Sheffield shows results from one of the in this site survey, which has subsequently The University of Sheffield’s apartment blocks tested. been published by EDF Energy into the Communications Group within the SMDG HAN Workgroup working within the Department of Electronic and Electrical The results are very informative, showing the Smart Metering Implementation Programme Engineering has expertise in radio reference device (fixed node) in one corner in the UK. The paper can be found here: propagation modeling, active and passive of the building on the ground floor, and RSSI https://sites.google.com/site/ smdghanwg/ frequency selective surfaces (FSS), readings from various positions on ground home/real-world-experiences/EDF2010 antenna systems and wireless systems floor, first floor and second floor. ZigBeePropagationTesting.pdf?attredirects design. This group has conducted ZigBee =0&d=1 propagation tests using the EM357 SoC The receive signal strength (RSSI) values and is close to publishing an interim shed light on how the signal weakens as it Figure 3 shows a similar pattern to the report, which will detail controlled, goes through internal walls as well as free University of Sheffield tests. In this case the scientific tests carried out in a number of space. It also indicates the importance of tests being carried out from a fixed node reference building types, including terraced good choice of radio and good PCB design. inside a meter cabinet in the centre of one house with basement and apartment For example, a test using radios capable of apartment block floor to different points in blocks. transmitting at +5dBm with -95dBm receive each of six apartments on that same floor. sensitivity would represent a 10dB The tests incorporate typical positions of difference in dynamic link budget and would Summary meters and in-home displays. They include have significantly worsened these results. With growing interest in using ZigBee for a fixed device, usually positioned where a The forthcoming report will contain many smart metering HANs in the UK and elsewhere meter would be located such as a more tests like this and should be of great in Europe, testing propagation properties of basement or at the front door. A second interest to the market. these devices at 2.4GHz is important to device, which is located at different advise technology selection, architectural positions around the building, sends The LQI values are also very interesting. design and deployment plans. Independently messages to the fixed device. The signals Values of 255 indicate a good quality link, conducted tests are becoming available to were measured, recording both RSSI whilst lesser values indicate the presence of advise this process, and these can only serve (Received Signal Strength Indicator, in chip errors in the received packets. An LQI to encourage greater understanding of ZigBee dBm) and LQI (Link Quality Indicator, a 0- of 0 can still result in a successfully received propagation in the smart metering community. 255 value). packet, but it is an indication that it would take very little to change in the environment It could be suggested that ZigBee at 2.4GHz to change that to a lost signal. is a satisfactory solution for smart metering HANs in the UK based on testing done so far Point Distance RSSI RSSI RSSI LQI EDF Energy site survey using best in class ZigBee radios and good (mm) (min) (avg) (max) Ember assisted EDF Energy in testing RF implementations. (GROUND FLOOR) ZigBee propagation as part of a site survey L3 4225 -64 -64 -64 255 for a smart metering installation in an www.ember.com L1 4576 -72 -70.5 -70 255 L2 5661 -80 -78.8 -77 255 L4 7890 -67 -67 -67 255 L5 8147 -88 -87.3 -87 255 L7 10525 -86 -85.5 -85 255 L6 10666 -96 -95.2 -94 80 L8 10984 -96 -94.3 -93 114 L9 12171 -90 -88.5 -88 255 L10 13598 -92 -91.3 -91 252 L11 13670 -96 -94.7 -94 151 L12 16430 -96 -95.5 -95 57 Point Distance RSSI RSSI RSSI LQI (mm) (min) (avg) (max) (FIRST FLOOR) L0 3230 -72 -71.2 -71 255 L3 5318 -85 -84.3 -84 255 L1 5601 -85 -84.5 -84 255 L2 6518 -96 -95.7 -95 65 L4 8526 -88 -88 -88 255 L5 8764 -93 -92.2 -92 236 L6 11144 -95 -94.2 -93 165 L8 11449 -97 -96.5 -96 18 L7 11009 --- --- --- --- (SECOND FLOOR) L0 6460 -97 -94.8 -94 136 L3 7719 -96 -95.7 -95 40 L1 7917 -94 -93.5 -93 209 L2 8589 -96 -96 -96 0 L4 10197 -96 -95.8 -95 2 Table 1: Table showing test results related to figure 1 (Source: University of Sheffield interim Figure 3: EDF Energy propagation tests (Source: SMDG HAN Work Group report draft, March 2011). https://sites.google.com/site/smdghanwg/home/real-world-experiences/EDF2010ZigBee PropagationTesting.pdf?attredirects=0&d=1)
  • 19. 19 wireless sensors and controls – special feature section Incisor interview: Nordic Thomas Søderholm, Nordic Semiconductor Semiconductor Thomas Søderholm, Business Development Manager at Nordic Semiconductor, discusses wireless sensor trends in 2011 with Vince Holton of Incisor VH: How do you predict worldwide market health monitoring of patients in their Bluetooth low energy may well be a demand for wireless sensors will develop homes (rather than them taking up an popular alternative, but the technology is in 2011? expensive hospital bed). only currently available in low volume. In comparison, Nordic’s proprietary TS: Nordic Semiconductor’s key market is Although Infrared (IR) remote controls will nRF24LE1/Gazell RF technology, for ultra-low power (ULP) wireless connectivity be around for some time yet, the way example, is ideally suited to RF remote in the 2.4GHz ISM band. We make silicon modern consumers access digital media control. It is a proven technology already radio solutions that can operate from coin will only be realized through the advanced used on millions of “wireless desktops”, cell batteries and consequently provide a functionality enabled by an RF link. RF employing inexpensive, robust, wireless connection for the most compact technology provides a faster response, bi- interference immune 2.4GHz electronic devices, including sensors. directional connection (IR is only one-way), transceivers. non-line of sight control and extended There are thousands of potential range compared to IR. And only RF has A recent commercial report concluded applications for such a wireless link so, sufficient bandwidth over a bi-directional the use of “body worn electronics despite the recent tough times, we believe link to support advanced user interfaces wireless sensors” could save the health 2011 will continue to show good growth in while consuming modest battery power care industry US$25 billion by 2012. ULP our market segment. There are three key and meeting mass-market cost 2.4GHz wireless sensors with long reasons for this confidence: first, the ULP constraints. battery life - monitoring vital signs such wireless connectivity segment is in its as blood pressure, pulse and blood infancy so there is large growth potential ZigBee-based RF4CE (Remote Control for glucose - can link to existing cellular or even if the world economy remains weak Consumer Electronics) has been touted as Internet infrastructure allowing patients to for the whole of 2011; second, existing a good technology for RF remote control shorten or avoid expensive hospital stays wireless products that were originally but seems to be failing to live up to its while still being in frequent electronic designed using older 27/49MHz early promise. In the medium term, contact with their health care providers. technology are migrating to technically superior 2.4GHz technology (Nordic has particularly seen high volume sales into the PC peripherals market due to this migration); and third, Nordic is launching some exciting new products this year, in addition to its µBlue™ nRF8001 Bluetooth low energy solution. Bluetooth low energy extends the Bluetooth wireless technology ecosystem by adding ULP wireless connectivity. VH: Which applications or markets will bring the biggest business opportunities for your company in 2011? TS: Nordic sees two strategic areas for its ULP wireless connectivity technology in 2011: RF for remote control and remote Sony Ericsson’s Xperia neo will soon benefit from ANT+ ULP wireless connectivity ➔