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March 2014

LTE Advanced—Evolving
and expanding in to new
frontiers

1
LTE Advanced: Evolving & expanding into new frontiers

1

Brings carrier aggregation and
its evolution – led by Qualcomm

2

Enables hyper-dense HetNets;
Further gains with enhanced
receivers

3

Extends benefits of LTE to
unlicensed spectrum

4

Expands LTE in to new frontiers
– device-to-device, Broadcast
TV, higher bands & more

1000x mobile data challenge enabler
2
LTE Advanced brings different dimensions of improvements
Leverage wider bandwidth
Carrier aggregation across multiple carriers,
multiple bands, and across licensed and
unlicensed spectrum

F1
LTE Carrier #1
LTE Carrier #2
LTE Carrier #3
LTE Carrier #4

Carrier
aggregation

Up to
100 MHz

Higher
data rates
(bps)

LTE Carrier #5

Leverage more antennas
MIMO

Downlink MIMO up to 8x8, enhanced Multi User
MIMO and uplink MIMO up to 4x4

Higher spectral
efficiency
(bps/Hz)

Leverage HetNets

Higher spectral
efficiency per
coverage area

With advanced interference
management (FeICIC/IC)

(bps/Hz/km2)

Small Cell Range Expansion
3
Carrier Aggregation rapidly
expanding and evolving—led
by Qualcomm

4

Qualcomm Snapdragon is a product of Qualcomm Technologies Inc.
Carrier Aggregation—fatter pipe to enhance user experience
Up to 20 MHz

LTE Carrier #1

Up to 20 MHz

LTE Carrier #2

Up to 20 MHz

LTE Carrier #3

Up to 20 MHz

LTE Carrier #4

Up to 20 MHz

LTE Carrier #5

Higher peak data rates

1The

Aggregated
Data Pipe

Higher user data rates and
lower latencies for all users

Up to
100 MHz

More capacity for typical
‘bursty’ usage1

Leverages all
spectrum assets

typical bursty nature of usage, such as web browsing, means that aggregated carriers can support more users at the same response (user experience) compared to two individual carriers, given that the for carriers are partially loaded which is typical
in real networks. The gain depends on the load and can exceed 100% for fewer users (less loaded carrier) but less for many users. For completely loaded carrier, there is limited capacity gain between individal carriers and aggregated carriers,

5
Carrier aggregation increases capacity for typical network load
Typical bursty
smartphone applications

Carrier aggregation capacity gain

Burst Rate
(normalized)

6
2 10MHz Single Carriers
10MHz + 10MHz Carrier Aggregation

User experience

5

Data bursts

4
3
2

Partially
loaded
carriers

1

Capacity gain can exceed 2x
(for same user experience)1

0
Idle time

0

3
6

6
12

9
18

12
24

15
30

Load
(Mbps)
1Carrier aggregation doubles burst rate for all users in the cell, which reduces over-the-air latency ~50%, but if the user experience is kept the same (same burst rate), multicarrier can instead support more users for partially loaded carriers. The gain depends on the load and can exceed 100% for fewer users
(less loaded carrier) but less for many users (starting to resemble full buffer with limited gain). Source: Qualcomm simulations, 3GPP simulation framework, FTP traffic model with 1MB file size, 57 macro cells wrap-around, 500m ISD (D1), 2x2 MIMO, TU3, NLOS, 15 degree downtilt 2GHz spectrum.,
6
Carrier aggregation gaining momentum – Led by Qualcomm
Technologies, Inc.

8974
LTE Advanced

9x35

9x25
LTE Advanced
(Cat4)

World’s 1st LTE Advanced
carrier aggregation
(Launched Jun 2013)

150 Mbps peak data rate (cat 4)

10 + 10 MHz in downlink
QTI’s 3rd generation Qualcomm® Gobi ™ LTE modem
HSPA+ 3 carriers DL & 2 carrier UL aggregation
Qualcomm Snapdragon and Gobi are products of Qualcomm Technologies, Inc.

LTE Advanced
(Cat6)

LTE Advanced Cat 6
(300 Mbps)
(Announced Nov 2013)

300 Mbps peak data rate (cat 6)

20 + 20 MHz in downlink
QTI’s 4th generation Qualcomm® Gobi ™ LTE modem
HSPA+ 3 carriers DL & 2 carrier UL aggregation

7
Taking carrier aggregation global - 4Th Gen Gobi LTE
New Gobi modem paired with new RF solution

4th Generation LTE modem
40 MHz Support in downlink (20 MHz+ 20MHz)

One chip, all carrier
aggregation combinations
Supports next gen LTE Advanced wideband CA
4th generation LTE transceiver

300 Mbps Peak data rate (LTE Cat6)

1st 28nm RF

FDD/TDD Support
1st 20nm modem

~3x* more CA band combinations

HSPA+ 3 carrier downlink & 2 carrier uplink aggregation
Common platform for LTE Advanced & HSPA+ carrier
aggregation

Note: *Compared to previous generation QCT solutions; Qualcomm Gobi is a product of Qualcomm Technologies, Inc. ; Qualcomm WTR 3925 is a product of Qualcomm Atheros, Inc.
8
Global demand for LTE Carrier Aggregation
QTI chipsets designed to support all CA band combinations currently in deployment or in planning
~50 band combinations being defined by 3GPP

Japan

China
Europe

North America
B4 + B17
B4 + B13
B4 + B12
B5 + B12
B2 + B17
B4 + B5
B5 + B17
B4 + B7
B2 + B5
B2 + B29
B4 + B29
B2 + B4
B2 + B13
B23 + B29
B2 + B12
Contiguous B41
Non Contiguous 41
Non Contiguous B4
Non Contiguous B25

B3 + B7
B3 + B20
B7 + B20
B8 + B20

B39 + B41
B1 + B7
Contiguous B38
Contiguous B7
Contiguous B3
Contiguous 40
Non Contiguous 41
Contiguous B39

B11 + B18
B3 + B28
B1 + B8
B1 + B18
B1 + B19
B1 + B21
B1 + B26
B3 + B19
B19 + B21
Contiguous B1

Requirements:
700-2700 MHz
Inter-Band CA
Intra-Band CA
Wider Bandwidth
TDD CA
FDD CA

South Korea
South America
Contiguous B41
Non Contiguous B7

Australia
B3 + B8
B3 + B28

B3 + B8
B1 + B5
B3 + B5
B3 + B26
B8 + B26
Non Contiguous B3

RFFE
+
Modem

Source: 3GPP, the combinations in blue are completed as of September 2013, remaining represent work items in progress; 3GPP continually defines band combinations
9
Advanced multiple antenna
techniques for more capacity

10
More antennas—large gain from receive diversity
Downlink

1.8x

4x4 MIMO
4 Way
Receive
Diversity
(+ 2 x 2 MIMO)

1.7x

Diversity,
MIMO

1x
NodeB

Device

2 x 2 MIMO

LARGE GAIN,
NO STANDARDS OR
NETWORK IMPACT
MAINSTREAM
COMMERCIAL

Relative spectral efficiency

Note: LTE Advanced R10 and beyond adds up to 8x8 Downlink MIMO (Multiple Input Multiple Output), enhanced Multi User MIMO and uplink MIMO up to 4x4. Simulations: 3GPP framework, 21 macro cells wrap-around, 500m ISD (D1), 10MHz FDD,
carrier freq 2GHz, 25 UEs per cell, TU 3km/h, full-buffer traffic, no imbalance or correlation among antennas. 2x4 MIMO used for receive diversity gain of 1.7x compared to 2x2 MIMO, similarly 2x3 diversity provides a 1.3x gain over 2x2 MIMO

11
Leverage fiber backhaul installations
Coordinated Multipoint (CoMP) for more capacity and better user experience
Coordinated scheduling

Remote Radio
Head (RRH)

Coordinated beamforming

Macro

Same or different cell identity across macro and RRH

Remote Radio
Head (RRH)

Central
processing/scheduling
(requires low latency fiber)
12
Note: CoMP enabled by TM10 transmission modes in the device and network. Picture focuses on downlink CoMP techniques, CoMP can also apply to the uplink
It’s not just about adding small cells — LTE Advanced brings
even more capacity and enables hyper-dense HetNets1

Small Cell Range Expansion
(FeICIC/IC)

Macro
Only

Macro+
4 Picos

with Range Expansion

LTE R8

1X

LTE R8

1.4X

LTE Advanced

2.8X

Macro+
4 Picos

Data rate improvement2

Higher capacity, network load balancing,
enhanced user experience, user fairness
1By

applying advanced interference management to HetNets. 2Median downlink data rate. Assumptions: 4 Picos added per macro and 33% of users dropped in clusters closer to picos (hotspots) : 10 MHz FDD, 2x2 MIMO, 25 users and 500m ISD. Advanced interference management: enhanced timedomain adaptive resource partitioning, advanced receiver devices with enhanced RRM and RLM1Similar gain for the uplink
13
Capacity scales with small cells deployed - thanks to advanced
interference management (FeICIC/IC)
~37X

SMALL CELL
SMALL CELL

~21XSMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

~11X SMALL CELL

SMALL CELL
SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

~6X

SMALL CELL

SMALL CELL

SMALL CELL
SMALL CELL
SMALL CELL

SMALL CELL

+4 Small
Cells

+8 Small
Cells

+16 Small
Cells

+32 Small
Cells

SMALL CELL
SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

Capacity scales with small cells added1
LTE Advanced with 2x Spectrum added
1 Assumptions: Pico type of small cell, 10MHz@2GHz + 10MHz@3.6GHz,D1 scenario macro 500m ISD, uniform user distribution scenario. Gain is median throughput improvement, from baseline with macro only on 10MHz@2GH, part of gain is addition of 10MHz

spectrum. Users uniformly distributed—a hotspot scenario could provide higher gains. Macro and outdoor small cells sharing spectrum (co-channel)

14
LTE Advanced - Evolving and expanding into new frontiers
Further
improving LTE
Advanced

Aggregated
Data Pipe

Evolving carrier
aggregation

Further
Enhanced HetNets

More advanced antenna
features and 256 QAM

Higher capacity for
Machine-to-machine and
Smartphone signaling

Enhanced
Receivers
for superior
performance

Rel. 12 & beyond

New
Frontiers

Device
Interference cancellation

700MHz
to 3.8GHz

LTE Advanced in
unlicensed spectrum

~3.5 GHz
/ ASA

LTE Broadcast
going beyond mobile

LTE Direct for
device to device

Higher bands & new
licensing models
(Authorized Shared Access)
15
Carrier aggregation evolution,
Enhanced Hetnets

16
LTE Advanced carrier aggregation continues to evolve
Leveraging all spectrum assets
Across cells (Multiflow)
(Supported in Rel. 12)

FDD/TDD Aggregation

Across licensed/ unlicensed

(Supported in Rel. 12)

(Specific band combinations to be defined)

Paired

Traditional
Licensed

Unpaired

ASA/LSA
Licensed

Unlicensed
(LTE)

Anchor

3GPP continually defines
band combinations

Aggregated
Data Pipe

17
MultiFlow – Dual-cell connectivity across small cells and across
macros and small cells
Small cell “Booster”

Macro “Anchor”

Macro

Improved offload
to small cells

Higher cell-edge
data rates

Robust
mobility
18
Further enhancing HetNets performance
User deployed 3G/4G

Operator deployed 3G/4G

Typically indoor small cells

Indoor/outdoor small cells1

4G Relays
& Wireless
Backhaul
ENTERPRISE
RESIDENTIAL

METRO

Multiflow—Improve
offload to small cells

LTE in unlicensed
spectrum

LTE/Wi-Fi tight
interworking

Dual-cell connectivity
across cells
1

Enhanced device
receiver
Data channel interference
cancellation for even more gain

Better utilize 5GHz spectrum with
unified LTE network & small cells

Converged small cells
with LTE & Wi-Fi

Such as relay and Pico/Metro/RRH small cells for hotspots. RRH= Remote Radio Heads, in addition Distributed Antenna Systems are used in HetNets

19
Enhanced receivers for superior
LTE Advanced performance

20
Enhanced receivers offer better user experience & more capacity
Interference Cancellation

Interference
Cancellation

Rel. 10/11

Re. 12

Sync ref. signal
Common ref. signal
Primary broadcast
channel
Data channel

Better user experience
Higher data rates especially at
cell-edges

Higher network capacity
Higher users data rate increases
overall network capacity

Enhanced performance
for HetNets
Even more beneficial in managing
interference in small cell deployments

21
Enhanced receivers further improve HetNet performance
Live demonstration at MWC 2014, utilizing our LTE Advanced test network in San Diego

Higher network capacity
140

Macro 1

Throughout

120
100
80

Rel. 10/11
Receiver

Enhanced
Receiver

60
40

Pico 2
Pico 3
Pico 4

20
Pico 5

0

Increased cell-edge data rates
Throughout

30

Enhanced
Receiver

25
20
15
10

Rel. 10/11
Receiver

5
0
22
Extending the benefits of LTE
Advanced to unlicensed spectrum

23
Extending the benefits of LTE Advanced to unlicensed spectrum
Better network performance

Enhanced user experience

Longer range and increased capacity

Thanks to LTE Advanced anchor in
licensed spectrum with robust mobility
LTE in
Licensed
spectrum
700MHz to 3.8GHz

Ideal for
small cells

Carrier
aggregation

LTE in
Unlicensed
spectrum
5 GHz

Unified LTE Network

Coexists with Wi-Fi

Common LTE network with common
authentication, security and management.

Features to protect Wi-Fi neighbors
24
Leverages existing LTE standards, ecosystem and scale
LTE transmitted according to unlicensed spectrum regulations, such as power levels
Large scale, global
1 LTE deployments

in unlicensed spectrum
2 LTEUSA, Korea and China
for

268+ network launches
in 100+ countries1

LTE Advanced 3GPP R10

LTE Advanced 3GPP R10
launched June 2013

Wi-Fi and LTE co-existence features2

Targets 5 GHz unlicensed bands

3 LTE in unlicensed
spectrum everywhere
Extend deployment to regions with
‘Listen Before Talk’ (LBT) regulations
Optimized waveform enabling LBT, carrier
discovery and expanded uplink coverage
Candidate for 3GPP R13 standard

Common core network
with common mobility, security,
authentication and more.

R10
Ideal for
small cells

Converged 3G/4G small cells with
LTE for licensed and unlicensed
spectrum as well as Wi-Fi

Unified network for licensed and unlicensed spectrum
1Per

GSA as of as of Feb 5th 2014. 2 With Carrier Sensing and Adaptive Transmission (CSAT) in the time domain.

25
Making LTE broadcast dynamic
and extending to terrestrial TV

26
LTE broadcast is commercial – Powered by Snapdragon

800
LTE Advanced

st
1

World’s 1st LTE
Broadcast solution
Gobi LTE Modem
integrated into
Snapdragon 800

KT Corp launches world’s first commercial LTE
Broadcast service
By Nick Wood, Total Telecom
Monday 27, January 2014

South Korean operator to use eMBMS technology to deliver mobile
TV service to Samsung Galaxy Note 3 smartphones.
KT Corp on Monday launched the world’s first commercial LTE Broadcast service,
delivering mobile TV content to Samsung Galaxy Note 3 users.
Called ‘Olleh LTE Play’, the service is based on eMBMs (evolved multimedia broadcast
multicast services) solutions developed in …

Qualcomm Snapdragon and Gobi are products of Qualcomm Technologies, Inc. Source: http://www.totaltele.com/view.aspx?ID=485128

27
LTE broadcast – Higher capacity even with fewer users
Leveraging LTE infrastructure and spectrum
7X

Unicast
LTE Broadcast

3X
1.7X
X
1 user/ cell

X
2 users/cell

X
5 users /cell

Network capacity/throughput

Source: Qualcomm Research; Simulation assumptions - 2GHz carrier frequency, 5MHz spectrum, 500m site-to-site distance, cluster eMBMS with 19 sites MBSFN deployment (100% of carrier usage), comparison with unicast (based on average throughput) 28 based
is
on the same amount of resource allocation.
Dynamic switching to broadcast offers even more flexibility
Event or demand driven
Pre-scheduled (e.g. at stadium only
during games)
Users accessing
same content
on unicast

Users moved to
broadcast

Based on demand (e.g. breaking news)

Seamless transition
Make-before–break connection
Fully transparent to user

Part of Rel. 121
Dynamically switch between unicast and broadcast
(based on operator configured triggers)
1This

feature is called Mood (Multicast operation on Demand) in Rel 12

29
Terrestrial TV service using LTE Broadcast
Enabling broadcasters to reach mobile devices
LTE Broadcast Single Frequency Network
(SFN) for the whole coverage area
-

LTE
(Unicast)

Enhanced user experience
in the “Assisted Mode”
(e.g. On-demand content,
interactivity )

Assisted
Mode

Using LTE sites/infrastructure

LTE Broadcast on a dedicated
spectrum

Broadcast TV
Stand-alone
Mode

Devices in
“Stand-alone” or “Assisted” mode

~2x Higher capacity than today’s broadcast (DVB-T/ATSC)
- Opportunity to free-up spectrum for mobile broadband
Current broadcast technology operates in Multi Frequency Network (MFN) mode with a frequency reuse of at least 4 with a spectrum efficiency of up to 4 bps/Hz inside each cell. This corresponds to an overall spectrum efficiency of approx. 1bps/Hz. Whereas LTE-B
operates in SFN over the entire coverage area with a spectrum efficiency of up to 2bps/Hz.

30
LTE Direct – Operator-owned global
platform for continuous proximity
awareness

31
Designed for autonomous “Always-ON” discovery
Licensed spectrum utilized for continuous proximity awareness
DISCOVERY

LTE

Up to 500m range
LTE

20s

Discover 1000s of services in
milliseconds

64ms

Privacy sensitive
Device based, connectionless discovery
– without location tracking

Negligible LTE capacity impact
<1% of uplink resources for thousands of services

Source: Qualcomm simulations; Assumes 10MHz system

32
Operator platform that enables new mobile services
Mobile Proximity and Discovery services at scale
Operator owned LTE Direct platform

Common discovery network

Managed, owned, monetized by mobile operator

Enables discovery horizontally across apps, OS, operators

Expected to be in every Rel 12 device
Part of 3GPP Release 12 standard

33
Utilizing higher bands & new licensing
models (Authorized Shared Access)

34
ASA leverages underutilized spectrum for exclusive use
Exclusive Use

Used in both macros and small cells

Incumbents (i.e., government) may not
use spectrum at all times and locations

Small cells can be closer to incumbent
than macros

3G/4G Macro Base
Station

Protects spectrum incumbents
Binary use – either incumbent or
rights holder with protection zones

1No

Incumbent
user
3G/4G Small Cells

Regular
Multi-band
Device1

Incentive-based cooperation model
Allows incumbents to monetize
unused spectrum

device impact due to ASA, just a regular 3G/4G device supporting global harmonized bands targeted for ASA. Carrier aggregation would be beneficial to aggregate new ASA spectrum with existing spectrum, but is not required.

35
ASA/LSA1 – Implementation underway in Europe and USA
POLICY

Endorsed
by 28 EU member
states Nov ’13

Evaluation by NTIA
Endorsed by 28 EU
member states Nov ’13

1

REGULATORY

Defined by CEPT

in report published in Feb ’142
for harmonizing 2.3 GHz3

STANDARDS

Specified by ETSI
Currently working on
requirements

OPERATOR
INTEREST

PROOF OF
CONCEPT

Demonstrated
by many infra/device
vendors; 2.3 GHz and
3.5 GHz demos at MWC
Feb ‘14

Trialed
Live in Finland in
Sep’13

Proposed by FCC
To make 3.5GHz4 band
dedicated to licensed shared
access for mobile broadband

ASA has been named LSA (Licensed Shared Access) in the EU by the Radio Spectrum Policy Group; 23ECC Report 205; 33Draft ECC decision on “harmonized technical and regulatory conditions for the use of the band 2300-2400
MHz for MFCN;” 3GPP Band 40, 2.3-2.4 GHz; 4 Target 3.5 GHz in the US is 3550-3650 MHz

36
LTE Advanced - 1000x data challenge enabler
Continue to evolve LTE:
-- Multiflow, Hetnets enhancements
-- Opportunistic HetNets
LTE in unlicensed spectrum

LTE Broadcast and LTE Direct
Carrier Aggregation (TDD and FDD)
Authorized Shared Access (ASA)
Higher spectrum bands (esp. TDD)
Hetnets with FeICIC/IC

Full interference management
New deployment models, e.g.
neighborhood small cells

More Small Cells is Key to 1000x

37
Qualcomm LTE advanced leadership

Standards Leadership

Industry-first Demos

A main contributor to key
LTE Advanced features

MWC 2012: Live Over-The-Air HetNet
Demo with Mobility

Instrumental in driving interference
cancellation and other Hetnets features

MWC 2013: Live OTA opportunistic
HetNet Demo with VoIP Mobility.
Authorized Shared Access (ASA) demo

Pioneering work on LTE Direct and LTE
in unlicensed spectrum

Industry-first Chipsets from QTI
World’s 1st LTE Advanced solution (Jun ’13)
First with LTE Broadcast (Jan ‘14)
LTE Advanced cat 6 (300 Mbps) solution
announced in Nov. ‘13

MWC 2014: Enhanced HetNets with datachannel interference cancellation
800

MDM 9x35

LTE Advanced

Qualcomm Snapdragon and Qualcomm Gobi are products of Qualcomm Technologies, Inc.

LTE Advanced

World’s 1st LTE
Advanced solution

300Mpbs (Cat 6)
solution
38
LTE Advanced: Evolving & expanding into new frontiers

1

Brings carrier aggregation and
its evolution – led by Qualcomm

2

Enables hyper-dense HetNets;
Further gains with enhanced
receivers

3

Extends benefits of LTE to
unlicensed spectrum

4

Expands LTE in to new frontiers
– device-to-device, Broadcast
TV, higher bands & more

1000x mobile data challenge enabler
39
Questions? - Connect with Us
www.qualcomm.com/technology
http://www.qualcomm.com/blog/contributors/prakash-sangam
BLOG

@Qualcomm_tech
http://www.youtube.com/playlist?list=PL8AD95E4F585237C1&feature=plcp
http://www.slideshare.net/qualcommwirelessevolution
http://storify.com/qualcomm_tech
40
Thank you
Follow us on:
For more information on Qualcomm, visit us at:
www.qualcomm.com & www.qualcomm.com/blog
© 2013 QUALCOMM Incorporated and/or its subsidiaries. All Rights Reserved.
Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries.
Other products and brand names may be trademarks or registered trademarks of their respective owners.
References in this presentation to “Qualcomm” may mean Qualcomm Incorporated, Qualcomm Technologies, Inc., and/or other subsi diaries or business
units within the Qualcomm corporate structure, as applicable.
Qualcomm Incorporated includes Qualcomm’s licensing business, QTL, and the vast majority of its patent portfolio. Qualcomm Te chnologies, Inc., a
wholly-owned subsidiary of Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of Qualcomm’s enginee ring, research and
development functions, and substantially all of its product and services businesses, including its semiconductor business, QCT.
41
A strong LTE evolution path
2013

FDD and TDD
support

Enhanced voice fallback (CSFB),
VoLTE, LTE Broadcast (eMBMS)
Rel-9

Rel-8

LTE
Mbps1

DL: 73 – 150
UL: 36 – 75 Mbps1
(10 MHz – 20 MHz)

1Peak

2014

2015

Carrier Aggregation, relays,
HetNets (eICIC/IC), Adv MIMO

Realizes full benefits of
HetNets (FeICIC/IC)

Rel-10

Rel-11

2016+

LTE Direct, Hetnets enhancements,
Multiflow, WiFi interworking,
Rel-12 & Beyond

LTE Advanced
DL: 3 Gbps2
UL: 1.5 Gbps2
( Up to 100 MHz)

rates for 10 MHz or 20 MHz FDD using 2x2 MIMO, standard supports 4x4 MIMO enabling peak rates of 300 Mbps.

2Peak data rate can exceed 1 Gbps using 4x4 MIMO and at least 80 MHz of spectrum (carrier aggregation), or 3GBps with 8x8

MIMO and 100MHz of spectrum. Similarly, the uplink can reach 1.5Gbps with 4x4 MIMO.

Commercial

Note: Estimated commercial dates.

42

Created 2/13/2014

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LTE Advanced - Evolving and expanding into new frontiers

  • 1. March 2014 LTE Advanced—Evolving and expanding in to new frontiers 1
  • 2. LTE Advanced: Evolving & expanding into new frontiers 1 Brings carrier aggregation and its evolution – led by Qualcomm 2 Enables hyper-dense HetNets; Further gains with enhanced receivers 3 Extends benefits of LTE to unlicensed spectrum 4 Expands LTE in to new frontiers – device-to-device, Broadcast TV, higher bands & more 1000x mobile data challenge enabler 2
  • 3. LTE Advanced brings different dimensions of improvements Leverage wider bandwidth Carrier aggregation across multiple carriers, multiple bands, and across licensed and unlicensed spectrum F1 LTE Carrier #1 LTE Carrier #2 LTE Carrier #3 LTE Carrier #4 Carrier aggregation Up to 100 MHz Higher data rates (bps) LTE Carrier #5 Leverage more antennas MIMO Downlink MIMO up to 8x8, enhanced Multi User MIMO and uplink MIMO up to 4x4 Higher spectral efficiency (bps/Hz) Leverage HetNets Higher spectral efficiency per coverage area With advanced interference management (FeICIC/IC) (bps/Hz/km2) Small Cell Range Expansion 3
  • 4. Carrier Aggregation rapidly expanding and evolving—led by Qualcomm 4 Qualcomm Snapdragon is a product of Qualcomm Technologies Inc.
  • 5. Carrier Aggregation—fatter pipe to enhance user experience Up to 20 MHz LTE Carrier #1 Up to 20 MHz LTE Carrier #2 Up to 20 MHz LTE Carrier #3 Up to 20 MHz LTE Carrier #4 Up to 20 MHz LTE Carrier #5 Higher peak data rates 1The Aggregated Data Pipe Higher user data rates and lower latencies for all users Up to 100 MHz More capacity for typical ‘bursty’ usage1 Leverages all spectrum assets typical bursty nature of usage, such as web browsing, means that aggregated carriers can support more users at the same response (user experience) compared to two individual carriers, given that the for carriers are partially loaded which is typical in real networks. The gain depends on the load and can exceed 100% for fewer users (less loaded carrier) but less for many users. For completely loaded carrier, there is limited capacity gain between individal carriers and aggregated carriers, 5
  • 6. Carrier aggregation increases capacity for typical network load Typical bursty smartphone applications Carrier aggregation capacity gain Burst Rate (normalized) 6 2 10MHz Single Carriers 10MHz + 10MHz Carrier Aggregation User experience 5 Data bursts 4 3 2 Partially loaded carriers 1 Capacity gain can exceed 2x (for same user experience)1 0 Idle time 0 3 6 6 12 9 18 12 24 15 30 Load (Mbps) 1Carrier aggregation doubles burst rate for all users in the cell, which reduces over-the-air latency ~50%, but if the user experience is kept the same (same burst rate), multicarrier can instead support more users for partially loaded carriers. The gain depends on the load and can exceed 100% for fewer users (less loaded carrier) but less for many users (starting to resemble full buffer with limited gain). Source: Qualcomm simulations, 3GPP simulation framework, FTP traffic model with 1MB file size, 57 macro cells wrap-around, 500m ISD (D1), 2x2 MIMO, TU3, NLOS, 15 degree downtilt 2GHz spectrum., 6
  • 7. Carrier aggregation gaining momentum – Led by Qualcomm Technologies, Inc. 8974 LTE Advanced 9x35 9x25 LTE Advanced (Cat4) World’s 1st LTE Advanced carrier aggregation (Launched Jun 2013) 150 Mbps peak data rate (cat 4) 10 + 10 MHz in downlink QTI’s 3rd generation Qualcomm® Gobi ™ LTE modem HSPA+ 3 carriers DL & 2 carrier UL aggregation Qualcomm Snapdragon and Gobi are products of Qualcomm Technologies, Inc. LTE Advanced (Cat6) LTE Advanced Cat 6 (300 Mbps) (Announced Nov 2013) 300 Mbps peak data rate (cat 6) 20 + 20 MHz in downlink QTI’s 4th generation Qualcomm® Gobi ™ LTE modem HSPA+ 3 carriers DL & 2 carrier UL aggregation 7
  • 8. Taking carrier aggregation global - 4Th Gen Gobi LTE New Gobi modem paired with new RF solution 4th Generation LTE modem 40 MHz Support in downlink (20 MHz+ 20MHz) One chip, all carrier aggregation combinations Supports next gen LTE Advanced wideband CA 4th generation LTE transceiver 300 Mbps Peak data rate (LTE Cat6) 1st 28nm RF FDD/TDD Support 1st 20nm modem ~3x* more CA band combinations HSPA+ 3 carrier downlink & 2 carrier uplink aggregation Common platform for LTE Advanced & HSPA+ carrier aggregation Note: *Compared to previous generation QCT solutions; Qualcomm Gobi is a product of Qualcomm Technologies, Inc. ; Qualcomm WTR 3925 is a product of Qualcomm Atheros, Inc. 8
  • 9. Global demand for LTE Carrier Aggregation QTI chipsets designed to support all CA band combinations currently in deployment or in planning ~50 band combinations being defined by 3GPP Japan China Europe North America B4 + B17 B4 + B13 B4 + B12 B5 + B12 B2 + B17 B4 + B5 B5 + B17 B4 + B7 B2 + B5 B2 + B29 B4 + B29 B2 + B4 B2 + B13 B23 + B29 B2 + B12 Contiguous B41 Non Contiguous 41 Non Contiguous B4 Non Contiguous B25 B3 + B7 B3 + B20 B7 + B20 B8 + B20 B39 + B41 B1 + B7 Contiguous B38 Contiguous B7 Contiguous B3 Contiguous 40 Non Contiguous 41 Contiguous B39 B11 + B18 B3 + B28 B1 + B8 B1 + B18 B1 + B19 B1 + B21 B1 + B26 B3 + B19 B19 + B21 Contiguous B1 Requirements: 700-2700 MHz Inter-Band CA Intra-Band CA Wider Bandwidth TDD CA FDD CA South Korea South America Contiguous B41 Non Contiguous B7 Australia B3 + B8 B3 + B28 B3 + B8 B1 + B5 B3 + B5 B3 + B26 B8 + B26 Non Contiguous B3 RFFE + Modem Source: 3GPP, the combinations in blue are completed as of September 2013, remaining represent work items in progress; 3GPP continually defines band combinations 9
  • 10. Advanced multiple antenna techniques for more capacity 10
  • 11. More antennas—large gain from receive diversity Downlink 1.8x 4x4 MIMO 4 Way Receive Diversity (+ 2 x 2 MIMO) 1.7x Diversity, MIMO 1x NodeB Device 2 x 2 MIMO LARGE GAIN, NO STANDARDS OR NETWORK IMPACT MAINSTREAM COMMERCIAL Relative spectral efficiency Note: LTE Advanced R10 and beyond adds up to 8x8 Downlink MIMO (Multiple Input Multiple Output), enhanced Multi User MIMO and uplink MIMO up to 4x4. Simulations: 3GPP framework, 21 macro cells wrap-around, 500m ISD (D1), 10MHz FDD, carrier freq 2GHz, 25 UEs per cell, TU 3km/h, full-buffer traffic, no imbalance or correlation among antennas. 2x4 MIMO used for receive diversity gain of 1.7x compared to 2x2 MIMO, similarly 2x3 diversity provides a 1.3x gain over 2x2 MIMO 11
  • 12. Leverage fiber backhaul installations Coordinated Multipoint (CoMP) for more capacity and better user experience Coordinated scheduling Remote Radio Head (RRH) Coordinated beamforming Macro Same or different cell identity across macro and RRH Remote Radio Head (RRH) Central processing/scheduling (requires low latency fiber) 12 Note: CoMP enabled by TM10 transmission modes in the device and network. Picture focuses on downlink CoMP techniques, CoMP can also apply to the uplink
  • 13. It’s not just about adding small cells — LTE Advanced brings even more capacity and enables hyper-dense HetNets1 Small Cell Range Expansion (FeICIC/IC) Macro Only Macro+ 4 Picos with Range Expansion LTE R8 1X LTE R8 1.4X LTE Advanced 2.8X Macro+ 4 Picos Data rate improvement2 Higher capacity, network load balancing, enhanced user experience, user fairness 1By applying advanced interference management to HetNets. 2Median downlink data rate. Assumptions: 4 Picos added per macro and 33% of users dropped in clusters closer to picos (hotspots) : 10 MHz FDD, 2x2 MIMO, 25 users and 500m ISD. Advanced interference management: enhanced timedomain adaptive resource partitioning, advanced receiver devices with enhanced RRM and RLM1Similar gain for the uplink 13
  • 14. Capacity scales with small cells deployed - thanks to advanced interference management (FeICIC/IC) ~37X SMALL CELL SMALL CELL ~21XSMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL ~11X SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL ~6X SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL +4 Small Cells +8 Small Cells +16 Small Cells +32 Small Cells SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL Capacity scales with small cells added1 LTE Advanced with 2x Spectrum added 1 Assumptions: Pico type of small cell, 10MHz@2GHz + 10MHz@3.6GHz,D1 scenario macro 500m ISD, uniform user distribution scenario. Gain is median throughput improvement, from baseline with macro only on 10MHz@2GH, part of gain is addition of 10MHz spectrum. Users uniformly distributed—a hotspot scenario could provide higher gains. Macro and outdoor small cells sharing spectrum (co-channel) 14
  • 15. LTE Advanced - Evolving and expanding into new frontiers Further improving LTE Advanced Aggregated Data Pipe Evolving carrier aggregation Further Enhanced HetNets More advanced antenna features and 256 QAM Higher capacity for Machine-to-machine and Smartphone signaling Enhanced Receivers for superior performance Rel. 12 & beyond New Frontiers Device Interference cancellation 700MHz to 3.8GHz LTE Advanced in unlicensed spectrum ~3.5 GHz / ASA LTE Broadcast going beyond mobile LTE Direct for device to device Higher bands & new licensing models (Authorized Shared Access) 15
  • 17. LTE Advanced carrier aggregation continues to evolve Leveraging all spectrum assets Across cells (Multiflow) (Supported in Rel. 12) FDD/TDD Aggregation Across licensed/ unlicensed (Supported in Rel. 12) (Specific band combinations to be defined) Paired Traditional Licensed Unpaired ASA/LSA Licensed Unlicensed (LTE) Anchor 3GPP continually defines band combinations Aggregated Data Pipe 17
  • 18. MultiFlow – Dual-cell connectivity across small cells and across macros and small cells Small cell “Booster” Macro “Anchor” Macro Improved offload to small cells Higher cell-edge data rates Robust mobility 18
  • 19. Further enhancing HetNets performance User deployed 3G/4G Operator deployed 3G/4G Typically indoor small cells Indoor/outdoor small cells1 4G Relays & Wireless Backhaul ENTERPRISE RESIDENTIAL METRO Multiflow—Improve offload to small cells LTE in unlicensed spectrum LTE/Wi-Fi tight interworking Dual-cell connectivity across cells 1 Enhanced device receiver Data channel interference cancellation for even more gain Better utilize 5GHz spectrum with unified LTE network & small cells Converged small cells with LTE & Wi-Fi Such as relay and Pico/Metro/RRH small cells for hotspots. RRH= Remote Radio Heads, in addition Distributed Antenna Systems are used in HetNets 19
  • 20. Enhanced receivers for superior LTE Advanced performance 20
  • 21. Enhanced receivers offer better user experience & more capacity Interference Cancellation Interference Cancellation Rel. 10/11 Re. 12 Sync ref. signal Common ref. signal Primary broadcast channel Data channel Better user experience Higher data rates especially at cell-edges Higher network capacity Higher users data rate increases overall network capacity Enhanced performance for HetNets Even more beneficial in managing interference in small cell deployments 21
  • 22. Enhanced receivers further improve HetNet performance Live demonstration at MWC 2014, utilizing our LTE Advanced test network in San Diego Higher network capacity 140 Macro 1 Throughout 120 100 80 Rel. 10/11 Receiver Enhanced Receiver 60 40 Pico 2 Pico 3 Pico 4 20 Pico 5 0 Increased cell-edge data rates Throughout 30 Enhanced Receiver 25 20 15 10 Rel. 10/11 Receiver 5 0 22
  • 23. Extending the benefits of LTE Advanced to unlicensed spectrum 23
  • 24. Extending the benefits of LTE Advanced to unlicensed spectrum Better network performance Enhanced user experience Longer range and increased capacity Thanks to LTE Advanced anchor in licensed spectrum with robust mobility LTE in Licensed spectrum 700MHz to 3.8GHz Ideal for small cells Carrier aggregation LTE in Unlicensed spectrum 5 GHz Unified LTE Network Coexists with Wi-Fi Common LTE network with common authentication, security and management. Features to protect Wi-Fi neighbors 24
  • 25. Leverages existing LTE standards, ecosystem and scale LTE transmitted according to unlicensed spectrum regulations, such as power levels Large scale, global 1 LTE deployments in unlicensed spectrum 2 LTEUSA, Korea and China for 268+ network launches in 100+ countries1 LTE Advanced 3GPP R10 LTE Advanced 3GPP R10 launched June 2013 Wi-Fi and LTE co-existence features2 Targets 5 GHz unlicensed bands 3 LTE in unlicensed spectrum everywhere Extend deployment to regions with ‘Listen Before Talk’ (LBT) regulations Optimized waveform enabling LBT, carrier discovery and expanded uplink coverage Candidate for 3GPP R13 standard Common core network with common mobility, security, authentication and more. R10 Ideal for small cells Converged 3G/4G small cells with LTE for licensed and unlicensed spectrum as well as Wi-Fi Unified network for licensed and unlicensed spectrum 1Per GSA as of as of Feb 5th 2014. 2 With Carrier Sensing and Adaptive Transmission (CSAT) in the time domain. 25
  • 26. Making LTE broadcast dynamic and extending to terrestrial TV 26
  • 27. LTE broadcast is commercial – Powered by Snapdragon 800 LTE Advanced st 1 World’s 1st LTE Broadcast solution Gobi LTE Modem integrated into Snapdragon 800 KT Corp launches world’s first commercial LTE Broadcast service By Nick Wood, Total Telecom Monday 27, January 2014 South Korean operator to use eMBMS technology to deliver mobile TV service to Samsung Galaxy Note 3 smartphones. KT Corp on Monday launched the world’s first commercial LTE Broadcast service, delivering mobile TV content to Samsung Galaxy Note 3 users. Called ‘Olleh LTE Play’, the service is based on eMBMs (evolved multimedia broadcast multicast services) solutions developed in … Qualcomm Snapdragon and Gobi are products of Qualcomm Technologies, Inc. Source: http://www.totaltele.com/view.aspx?ID=485128 27
  • 28. LTE broadcast – Higher capacity even with fewer users Leveraging LTE infrastructure and spectrum 7X Unicast LTE Broadcast 3X 1.7X X 1 user/ cell X 2 users/cell X 5 users /cell Network capacity/throughput Source: Qualcomm Research; Simulation assumptions - 2GHz carrier frequency, 5MHz spectrum, 500m site-to-site distance, cluster eMBMS with 19 sites MBSFN deployment (100% of carrier usage), comparison with unicast (based on average throughput) 28 based is on the same amount of resource allocation.
  • 29. Dynamic switching to broadcast offers even more flexibility Event or demand driven Pre-scheduled (e.g. at stadium only during games) Users accessing same content on unicast Users moved to broadcast Based on demand (e.g. breaking news) Seamless transition Make-before–break connection Fully transparent to user Part of Rel. 121 Dynamically switch between unicast and broadcast (based on operator configured triggers) 1This feature is called Mood (Multicast operation on Demand) in Rel 12 29
  • 30. Terrestrial TV service using LTE Broadcast Enabling broadcasters to reach mobile devices LTE Broadcast Single Frequency Network (SFN) for the whole coverage area - LTE (Unicast) Enhanced user experience in the “Assisted Mode” (e.g. On-demand content, interactivity ) Assisted Mode Using LTE sites/infrastructure LTE Broadcast on a dedicated spectrum Broadcast TV Stand-alone Mode Devices in “Stand-alone” or “Assisted” mode ~2x Higher capacity than today’s broadcast (DVB-T/ATSC) - Opportunity to free-up spectrum for mobile broadband Current broadcast technology operates in Multi Frequency Network (MFN) mode with a frequency reuse of at least 4 with a spectrum efficiency of up to 4 bps/Hz inside each cell. This corresponds to an overall spectrum efficiency of approx. 1bps/Hz. Whereas LTE-B operates in SFN over the entire coverage area with a spectrum efficiency of up to 2bps/Hz. 30
  • 31. LTE Direct – Operator-owned global platform for continuous proximity awareness 31
  • 32. Designed for autonomous “Always-ON” discovery Licensed spectrum utilized for continuous proximity awareness DISCOVERY LTE Up to 500m range LTE 20s Discover 1000s of services in milliseconds 64ms Privacy sensitive Device based, connectionless discovery – without location tracking Negligible LTE capacity impact <1% of uplink resources for thousands of services Source: Qualcomm simulations; Assumes 10MHz system 32
  • 33. Operator platform that enables new mobile services Mobile Proximity and Discovery services at scale Operator owned LTE Direct platform Common discovery network Managed, owned, monetized by mobile operator Enables discovery horizontally across apps, OS, operators Expected to be in every Rel 12 device Part of 3GPP Release 12 standard 33
  • 34. Utilizing higher bands & new licensing models (Authorized Shared Access) 34
  • 35. ASA leverages underutilized spectrum for exclusive use Exclusive Use Used in both macros and small cells Incumbents (i.e., government) may not use spectrum at all times and locations Small cells can be closer to incumbent than macros 3G/4G Macro Base Station Protects spectrum incumbents Binary use – either incumbent or rights holder with protection zones 1No Incumbent user 3G/4G Small Cells Regular Multi-band Device1 Incentive-based cooperation model Allows incumbents to monetize unused spectrum device impact due to ASA, just a regular 3G/4G device supporting global harmonized bands targeted for ASA. Carrier aggregation would be beneficial to aggregate new ASA spectrum with existing spectrum, but is not required. 35
  • 36. ASA/LSA1 – Implementation underway in Europe and USA POLICY Endorsed by 28 EU member states Nov ’13 Evaluation by NTIA Endorsed by 28 EU member states Nov ’13 1 REGULATORY Defined by CEPT in report published in Feb ’142 for harmonizing 2.3 GHz3 STANDARDS Specified by ETSI Currently working on requirements OPERATOR INTEREST PROOF OF CONCEPT Demonstrated by many infra/device vendors; 2.3 GHz and 3.5 GHz demos at MWC Feb ‘14 Trialed Live in Finland in Sep’13 Proposed by FCC To make 3.5GHz4 band dedicated to licensed shared access for mobile broadband ASA has been named LSA (Licensed Shared Access) in the EU by the Radio Spectrum Policy Group; 23ECC Report 205; 33Draft ECC decision on “harmonized technical and regulatory conditions for the use of the band 2300-2400 MHz for MFCN;” 3GPP Band 40, 2.3-2.4 GHz; 4 Target 3.5 GHz in the US is 3550-3650 MHz 36
  • 37. LTE Advanced - 1000x data challenge enabler Continue to evolve LTE: -- Multiflow, Hetnets enhancements -- Opportunistic HetNets LTE in unlicensed spectrum LTE Broadcast and LTE Direct Carrier Aggregation (TDD and FDD) Authorized Shared Access (ASA) Higher spectrum bands (esp. TDD) Hetnets with FeICIC/IC Full interference management New deployment models, e.g. neighborhood small cells More Small Cells is Key to 1000x 37
  • 38. Qualcomm LTE advanced leadership Standards Leadership Industry-first Demos A main contributor to key LTE Advanced features MWC 2012: Live Over-The-Air HetNet Demo with Mobility Instrumental in driving interference cancellation and other Hetnets features MWC 2013: Live OTA opportunistic HetNet Demo with VoIP Mobility. Authorized Shared Access (ASA) demo Pioneering work on LTE Direct and LTE in unlicensed spectrum Industry-first Chipsets from QTI World’s 1st LTE Advanced solution (Jun ’13) First with LTE Broadcast (Jan ‘14) LTE Advanced cat 6 (300 Mbps) solution announced in Nov. ‘13 MWC 2014: Enhanced HetNets with datachannel interference cancellation 800 MDM 9x35 LTE Advanced Qualcomm Snapdragon and Qualcomm Gobi are products of Qualcomm Technologies, Inc. LTE Advanced World’s 1st LTE Advanced solution 300Mpbs (Cat 6) solution 38
  • 39. LTE Advanced: Evolving & expanding into new frontiers 1 Brings carrier aggregation and its evolution – led by Qualcomm 2 Enables hyper-dense HetNets; Further gains with enhanced receivers 3 Extends benefits of LTE to unlicensed spectrum 4 Expands LTE in to new frontiers – device-to-device, Broadcast TV, higher bands & more 1000x mobile data challenge enabler 39
  • 40. Questions? - Connect with Us www.qualcomm.com/technology http://www.qualcomm.com/blog/contributors/prakash-sangam BLOG @Qualcomm_tech http://www.youtube.com/playlist?list=PL8AD95E4F585237C1&feature=plcp http://www.slideshare.net/qualcommwirelessevolution http://storify.com/qualcomm_tech 40
  • 41. Thank you Follow us on: For more information on Qualcomm, visit us at: www.qualcomm.com & www.qualcomm.com/blog © 2013 QUALCOMM Incorporated and/or its subsidiaries. All Rights Reserved. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries. Other products and brand names may be trademarks or registered trademarks of their respective owners. References in this presentation to “Qualcomm” may mean Qualcomm Incorporated, Qualcomm Technologies, Inc., and/or other subsi diaries or business units within the Qualcomm corporate structure, as applicable. Qualcomm Incorporated includes Qualcomm’s licensing business, QTL, and the vast majority of its patent portfolio. Qualcomm Te chnologies, Inc., a wholly-owned subsidiary of Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of Qualcomm’s enginee ring, research and development functions, and substantially all of its product and services businesses, including its semiconductor business, QCT. 41
  • 42. A strong LTE evolution path 2013 FDD and TDD support Enhanced voice fallback (CSFB), VoLTE, LTE Broadcast (eMBMS) Rel-9 Rel-8 LTE Mbps1 DL: 73 – 150 UL: 36 – 75 Mbps1 (10 MHz – 20 MHz) 1Peak 2014 2015 Carrier Aggregation, relays, HetNets (eICIC/IC), Adv MIMO Realizes full benefits of HetNets (FeICIC/IC) Rel-10 Rel-11 2016+ LTE Direct, Hetnets enhancements, Multiflow, WiFi interworking, Rel-12 & Beyond LTE Advanced DL: 3 Gbps2 UL: 1.5 Gbps2 ( Up to 100 MHz) rates for 10 MHz or 20 MHz FDD using 2x2 MIMO, standard supports 4x4 MIMO enabling peak rates of 300 Mbps. 2Peak data rate can exceed 1 Gbps using 4x4 MIMO and at least 80 MHz of spectrum (carrier aggregation), or 3GBps with 8x8 MIMO and 100MHz of spectrum. Similarly, the uplink can reach 1.5Gbps with 4x4 MIMO. Commercial Note: Estimated commercial dates. 42 Created 2/13/2014