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PYDAH COLLEGE OF
       ENGINEERING AND TECHNOLOGY




                      PRESENTED BY:

SHASIKANTH                        U.HARIKRISHNAN NAIR
MCA III YEAR                      MCA III YEAR
PYDAH College of Engg & Tech      PYDAH College of Engg & Tech
WIRELESS GIGABIT TECHNOLOGY
WIRELESS GIGABIT TECHNOLOGY
The Wireless Gigabit Alliance(also known as the WiGig)

Operates on unlicensed 60 GHz frequency band.

Allows wireless transfer of audio and video data at up to 7Gb per
second.

Transfer data within an indoor environment usually within a range of
10ms.
Two types of modulation and coding schemes

Orthogonal frequency-division multiplexing (OFDM)

supports communication over longer distances with greater delay spreads

providing more flexibility in handling obstacles and reflected signals.

OFDM allows the greatest transmission speeds of up to 7 Gbps.


Single carrier (SC)

Typically results in lower power consumption, so it is often a better fit for small, low-power
handheld devices.

SC supports transmission speeds up to 4.6 Gbps.
Enables use of previously unavailable wide band
60 GHz SPECTRUM ALLOCATION
                       Millimeter Wave Band



57 GHZ                                                66 GHZ



                                     Europe : 57-66


                    USA and Canada : 57-64

                             Japan : 59-66

     Australia : 59.4-62.9
                                                               7
Sync & Go                  Wireless IO


                             10-30sec
                            SD clip/movie


CE
                   <5m;
                  <1Gbps
                    Clips                   Peer2Peer



                             <1min
                             4GB Flash



                            Gigabit WLAN

                                             60G
Wireless “HDMI”             WiFi
 IEEE 802.11 ad
    State-of-the-art PHY/MAC standardization activities o improve WLAN data
     rate to MGbps
    Dominated by Intel, Broadcom, NEC etc.
 WiGig (Wireless Gigabit Alliance)
    60-GHz Industry alliance led by Intel
    Promoters include Intel, Broadcom, NEC, Apple, Dell, Microsoft, Panasonic,
     LGE, Toshiba, Wilocity, etc.
 IEEE 802.15.3c (First IEEE standard on 60 GHz WPAN)
    Promoted mainly by Japanese companies
 ECMA TC48
    European standardization for 60 GHz WPAN
 WirelessHD
                                                                            9
o To overcome signal decay, WiGig uses
 a process called adaptive
 beamforming .



I.   The antennas do this by adjusting both the amplitudes and the
     phase shifts of their broadcasted waves.

II. The reception of the signal is optimized by minimizing different
    kinds of problems: the error between the antenna's output and
    the expected signal.
WIRELESS GIGABIT TECHNOLOGY
WIRED EQUIVALENT PRIVACY (WEP)


                                     RC4
                             This algorithm is used for confidentiality

       WEP
                               CRC-32
  Wired equivalent privacy




                                 This is used for integrity
64 bit standard WEP key




                     40 bit key                           24 bit initial vector




                                        RC4 traffic key


A 128-bit WEP key is almost always entered by users as a string of 26
hexadecimal characters. Each character represents four bits of the key.
 WEP is a protocol that adds security to wireless local area networks.

 WEP gives wireless networks the equivalent level of privacy protection as
  a comparable wired network.

 WEP offers interoperability, since all wireless devices support basic WEP
  encryption.

 Another advantage of WEP is that when uses happen to see your
  network during wireless detection, they will mostly likely be discouraged
  since it will require a key. This makes users that they are not welcome.
  Hence                    network                is                 secure.
Key size is one of the security limitations in Wired Equivalent Privacy.

Cracking a longer key requires interception of more packets, but
there are active attacks that simulate the necessary traffic.

The other weaknesses in Wired Equivalent Privacy include the
possibility of IV collisions and altered packets that are not helped at all
by a longer key.

Most users usually do not change their keys. This gives hackers
more time to crack the encryption.

Master keys, instead of temporary keys, are directly used.
A security protocol used in the IEEE 802.11 wireless networking standard.

TKIP was designed by the IEEE 802.11i task group and the Wi-Fi Alliance.

 To replace WEP without requiring the replacement of legacy hardware.

This was necessary because the breaking of WEP had left Wi-Fi networks
without viable link-layer security, and a solution was required for already deployed
hardware.

Key size-128bits
Beck-Tews attack


Ohigashi-Morii attack


FMS attack

KoreK attack

PTW attack

The Chopchop attack
WiFi Protected Access (WPA) and WiFi Protected Access II (WPA2)

 WiFi Protected Access (WPA) is a security standard for users of computers
equipped with WiFi wireless connection.


 WiFi Protected Access (WPA) protocol implements the majority of the IEEE
802.11i standard.

TKIP encryption replaces WEP’s 40-bit or 128-bit encryption key that must be
manually entered on wireless access points and devices and does not change.
WEP with 64bit or 128bit encryption strength - a simple encryption that offers limited
 security and is relatively easy to break


 WPA-PSK (WPA-Pre Shared Key) - in the forms of WPA-TKIP which offers better security
 and is backwards compatible with older routers and USB keys, and WPA2-AES which offers
 the best security and performance but less compatibility



Since the problem with WEP AND WPA-TKIP.

WIGIG MAKE USE OF WPA2-AES(ADVANCED ENCRYPTION STANDARD)

Since only AES is not compatible with older devices thus a completely new devices should be
made for this technology.
A D VA N TA G E S O F W i G i g
Small in size.


Portable.


High speed of data transfer.


Low power consumption.


Cost-effective.
APPLICATIONS OF WiGig

In wireless LAN networks.


Inter-vehicle
communication system.


Huge data file transfer.


Office appliances.


Video information transfer.
FUTURE OF WIGIG

     NO WIRE WORLD:
     Leave messy wires in your work places.
     And enter in to

                   FAST AND FURIOUS WORLD
                   A DIGITALIZED LIFE.

                  Designed to work in high-density area

                  Wirelessly connect all devices to your
                  tablet
                  (wireless Docking)

                  Download the 25Gb blu-ray disc movie in
                  a minute.

                  Wireless display
“ NECCESITY IS THE MOTHER OF INVENTION”




For security related topic:
Wikipedia
www.electronicbus.com
Peter Smulders, “Exploiting the 60 GHz Band for Local Wireless
htttp://www.pcpress.comand Future Communications,” IEEE
“Special Issue on Gigabit WirelessDirections,” IEEE Comm.
htttp://www.wikipedia.com
White paper final Prospects
Multimedia Access: press release by wigig alliance
JSAC, October 2009
Magazine, January 2002

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WIRELESS GIGABIT TECHNOLOGY

  • 1. PYDAH COLLEGE OF ENGINEERING AND TECHNOLOGY PRESENTED BY: SHASIKANTH U.HARIKRISHNAN NAIR MCA III YEAR MCA III YEAR PYDAH College of Engg & Tech PYDAH College of Engg & Tech
  • 4. The Wireless Gigabit Alliance(also known as the WiGig) Operates on unlicensed 60 GHz frequency band. Allows wireless transfer of audio and video data at up to 7Gb per second. Transfer data within an indoor environment usually within a range of 10ms.
  • 5. Two types of modulation and coding schemes Orthogonal frequency-division multiplexing (OFDM) supports communication over longer distances with greater delay spreads providing more flexibility in handling obstacles and reflected signals. OFDM allows the greatest transmission speeds of up to 7 Gbps. Single carrier (SC) Typically results in lower power consumption, so it is often a better fit for small, low-power handheld devices. SC supports transmission speeds up to 4.6 Gbps.
  • 6. Enables use of previously unavailable wide band
  • 7. 60 GHz SPECTRUM ALLOCATION Millimeter Wave Band 57 GHZ 66 GHZ Europe : 57-66 USA and Canada : 57-64 Japan : 59-66 Australia : 59.4-62.9 7
  • 8. Sync & Go Wireless IO 10-30sec SD clip/movie CE <5m; <1Gbps Clips Peer2Peer <1min 4GB Flash Gigabit WLAN 60G Wireless “HDMI” WiFi
  • 9.  IEEE 802.11 ad  State-of-the-art PHY/MAC standardization activities o improve WLAN data rate to MGbps  Dominated by Intel, Broadcom, NEC etc.  WiGig (Wireless Gigabit Alliance)  60-GHz Industry alliance led by Intel  Promoters include Intel, Broadcom, NEC, Apple, Dell, Microsoft, Panasonic, LGE, Toshiba, Wilocity, etc.  IEEE 802.15.3c (First IEEE standard on 60 GHz WPAN)  Promoted mainly by Japanese companies  ECMA TC48  European standardization for 60 GHz WPAN  WirelessHD 9
  • 10. o To overcome signal decay, WiGig uses a process called adaptive beamforming . I. The antennas do this by adjusting both the amplitudes and the phase shifts of their broadcasted waves. II. The reception of the signal is optimized by minimizing different kinds of problems: the error between the antenna's output and the expected signal.
  • 12. WIRED EQUIVALENT PRIVACY (WEP) RC4 This algorithm is used for confidentiality WEP CRC-32 Wired equivalent privacy This is used for integrity
  • 13. 64 bit standard WEP key 40 bit key 24 bit initial vector RC4 traffic key A 128-bit WEP key is almost always entered by users as a string of 26 hexadecimal characters. Each character represents four bits of the key.
  • 14.  WEP is a protocol that adds security to wireless local area networks.  WEP gives wireless networks the equivalent level of privacy protection as a comparable wired network.  WEP offers interoperability, since all wireless devices support basic WEP encryption.  Another advantage of WEP is that when uses happen to see your network during wireless detection, they will mostly likely be discouraged since it will require a key. This makes users that they are not welcome. Hence network is secure.
  • 15. Key size is one of the security limitations in Wired Equivalent Privacy. Cracking a longer key requires interception of more packets, but there are active attacks that simulate the necessary traffic. The other weaknesses in Wired Equivalent Privacy include the possibility of IV collisions and altered packets that are not helped at all by a longer key. Most users usually do not change their keys. This gives hackers more time to crack the encryption. Master keys, instead of temporary keys, are directly used.
  • 16. A security protocol used in the IEEE 802.11 wireless networking standard. TKIP was designed by the IEEE 802.11i task group and the Wi-Fi Alliance.  To replace WEP without requiring the replacement of legacy hardware. This was necessary because the breaking of WEP had left Wi-Fi networks without viable link-layer security, and a solution was required for already deployed hardware. Key size-128bits
  • 17. Beck-Tews attack Ohigashi-Morii attack FMS attack KoreK attack PTW attack The Chopchop attack
  • 18. WiFi Protected Access (WPA) and WiFi Protected Access II (WPA2)  WiFi Protected Access (WPA) is a security standard for users of computers equipped with WiFi wireless connection.  WiFi Protected Access (WPA) protocol implements the majority of the IEEE 802.11i standard. TKIP encryption replaces WEP’s 40-bit or 128-bit encryption key that must be manually entered on wireless access points and devices and does not change.
  • 19. WEP with 64bit or 128bit encryption strength - a simple encryption that offers limited security and is relatively easy to break WPA-PSK (WPA-Pre Shared Key) - in the forms of WPA-TKIP which offers better security and is backwards compatible with older routers and USB keys, and WPA2-AES which offers the best security and performance but less compatibility Since the problem with WEP AND WPA-TKIP. WIGIG MAKE USE OF WPA2-AES(ADVANCED ENCRYPTION STANDARD) Since only AES is not compatible with older devices thus a completely new devices should be made for this technology.
  • 20. A D VA N TA G E S O F W i G i g Small in size. Portable. High speed of data transfer. Low power consumption. Cost-effective.
  • 21. APPLICATIONS OF WiGig In wireless LAN networks. Inter-vehicle communication system. Huge data file transfer. Office appliances. Video information transfer.
  • 22. FUTURE OF WIGIG NO WIRE WORLD: Leave messy wires in your work places. And enter in to FAST AND FURIOUS WORLD A DIGITALIZED LIFE. Designed to work in high-density area Wirelessly connect all devices to your tablet (wireless Docking) Download the 25Gb blu-ray disc movie in a minute. Wireless display
  • 23. “ NECCESITY IS THE MOTHER OF INVENTION” For security related topic: Wikipedia www.electronicbus.com Peter Smulders, “Exploiting the 60 GHz Band for Local Wireless htttp://www.pcpress.comand Future Communications,” IEEE “Special Issue on Gigabit WirelessDirections,” IEEE Comm. htttp://www.wikipedia.com White paper final Prospects Multimedia Access: press release by wigig alliance JSAC, October 2009 Magazine, January 2002