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Mobilize
October 16th 2013, San Francisco, CA

LTE Advanced is Here!

Speaker:
Prakash Sangam, Director - Tech Marketing

1
• LTE success factors
• LTE Advanced carrier aggregation is here!
• Bringing more out of small cells with LTE Advanced

• Q&A

Agenda
2
LTE has a vibrant ecosystem with two flavors: FDD and TDD
Global LTE network launches

213
Launches

21

>450

Operators investing in LTE

LTE TDD momentum

TDD Launches

222

TDD Devices Announced

Large and growing device ecosystem

1064
Devices

111
Vendors

> 126 Million Global LTE/3G multimode connections
Source: www.gsacom.com , Sep 2013

3
Successful LTE requires
multimode, multiple bands,
interworking, voice, and more…

4
Seamless 3G interworking is the foundation to successful LTE
Enables consistent
broadband experience
outside LTE coverage

Enables global
roaming for the
foreseeable future

Enables ubiquitous
voice services—
even with VoLTE1

Multimode

LTE (FDD and/or TDD)

3G (and 2G)

LTE FDD/TDD
WCDMA/HSPA+
1X, EV-DO
TD-SCDMA
GSMA/EDGE

Enables ubiquitous data coverage, voice services, and global roaming
1Fallback

to 3G/2G (CSFB) since 2012; VoLTE with SRVCC ensures seamless voice, but CSFB still needed for roaming

Qualcomm Gobi is a product of Qualcomm Technologies, Inc.

5
Inherent LTE FDD/TDD interworking and seamless voice
Initial launches

Initial voice solution

Long-term voice solution

LTE data devices

LTE data handsets

LTE VoIP handsets

LTE for data only

LTE for data
2G/3G for voice

Simultaneous LTE VoIP
and rich data services

LTE TDD/FDD with
2G/3G multimode
launched globally1

Circuit switched fallback
(CSFB) to 2G/3G voice
launched globally
(FDD and TDD)

Coming: VoLTE with single radio
voice call continuity (SRVCC)
+ CSFB to 2G/3G voice for roaming

Inherent seamless TDD/FDD
interworking for data

Inherent seamless TDD/FDD
interworking

Inherent seamless TDD/FDD
interworking for VoLTE

2G/3G coverage continuity and roaming

1Including seamless

data LTE and 3G interworking with mobility through redirection, and packet switched handover.

6
Ability to support true heterogeneous networks
Small cells
everywhere
Indoor/outdoor
of different flavors

More spectrum;
paired, unpaired,
higher bands
Over 40 bands and counting

Multiple modes
LTE FDD/TDD, 1X/EV-DO
WCDMA/HSPA+,
TD-SCDMA, GSM/EDGE

ENTERPRISE

Multiple connectivity
such as Wi-Fi for
opportunistic offload

Device in the center
of complexity

METRO
RESIDENTIAL

Seamless experience across technologies, cells, bands
7
Qualcomm solves the
LTE product complexities

8
Qualcomm’s unique advantage—we solve LTE complexities
Hiding the complexity underneath the most seamless mobile connectivity
Connectivity

Wi-Fi

BT

Radio Frequency Bands

GPS

19

23

24

26

27

28

21
2

3

5

6

EV-DO

4

8

9

1

GSM/EDGE

18

CDMA 1x

Handover Techniques (Multiple Can Apply in Each Case)
System Selection
Blind Redirection
Redirection w/ Measurements
Reselection

25

PS Handover
CS Fallback
CSFB w/ SI Tunneling
Single Radio VCC

22

33

35

36

37

38

7

10

11

12

20

34

39

40

41

42

43

13

14

17

44

WCDMA/HSPA

TD-SCDMA

LTE FDD/TDD

Handover Combinations (Hypothetical Examples)
LTE
2G/3G
9
The modem is the foundation—the bar is getting higher
Then you can integrate mobile computing,
graphics and multimedia components

THE BAR IS GETTING HIGHER AND HIGHER
Optimize power and performance
in a mobile environment

LOW
POWER

HIGH
DATA
RATE

SMALL
SIZE

MITIGATE

HEAT

LOW
COST

Solve interworking complexity

Support all technologies, bands, modes, ...

LTE
FDD

EV-DO

LTE
TDD

GSM/
EDGE

UMTS

7 Cellular Standards
+Standards Evolution
Components of the type(s) mentioned in this slide are products of Qualcomm Technologies, Inc. and/or its subsidiaries.

CDMA
TD1X
SCDMA

700/
850/900

1500/
1700/1900
~40 RF Bands
17 LTE Voice Modes

2300/
2600

Wi-Fi

GNSS

BT

Wi-Fi, BT, GNSS
10
Qualcomm Technologies already on its 3rd generation Gobi LTE
modems
Continuously increasing level of features, interworking and integration
Third Generation
World’s First LTE/3G multimode with Cat4 and Carrier
Aggregation (launched June 2013)

Second Generation
First Generation

World’s First Mobile Platform (Modem+AP) with
integrated LTE/3G Multimode

World’s first integrated LTE/3G
MDM 9x15

MDM 9600

Snapdragon
S4 (8960)

Snapdragon
400 (8930)

MDM 9200

100Mbps/50Mbps DL/UL
FDD and TDD
2010-2011

Snapdragon
800 (8974)

Snapdragon
400 (8926)

LTE 150Mbps/50 Mbps DL/UL
LTE Advanced Carrier aggregation

TD-SCDMA
LTE Broadcast (eMBMS)
VoLTE
2012

Note: Snapdragon integrates the Gobi modems, but Gobi modems are also offered as a standalone modem product
Qualcomm Snapdragon and Qualcomm Gobi are products of Qualcomm Technologies, Inc.

MDM 9x25

2013
11
Enabling multimode LTE in all smartphone tiers

800

Snapdragon 800

(Launched with 3rd Gen. Gobi modem)
Premium smartphones
and tablets

600

Snapdragon 6001

400

(Launched with 2nd Gen. Gobi modem)
High-end smartphones
and tablets
(3rd

Snapdragon 400

Gen. Gobi modem coming)
High-volume smartphones
in emerging regions

1 Snapdragon 600

launched 1H 2013 uses separate 2nd generation LTE Gobi modem MDM 9x15. Snapdragon 800 (8974 launched June 2013) and newest 400 (8926) have both integrated 3rd gen. LTE support Cat4(150Mbps) and LTE Advanced carrier aggregation
12

Qualcomm Snapdragon is a product of Qualcomm Technologies Inc.
• LTE success factors
• LTE Advanced carrier aggregation is here!
• Bringing more out of small cells with LTE Advanced

• Q&A

Agenda
13
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.

14

Created 7/18/2013
Different dimensions of improvements—most gain from HetNets
LTE Carrier #3

Leverage wider bandwidth
Carrier aggregation across
multiple carriers and multiple bands

LTE Carrier #1
LTE Carrier #4

Aggregated
Data Pipe

LTE Carrier #2

Leverage more antennas
Downlink MIMO up to 8x8, enhanced Multi User MIMO
and uplink MIMO up to 4x4. Coordinated multipoint (CoMP)

MIMO

Higher spectral
efficiency
(bps/Hz)

Leverage HetNets
With advanced interference management (eICIC/IC)

Primarily higher
data rates
(bps)

LTE Carrier #5

LTE
Advanced

Up to
100 MHz

Small Cell

Higher spectral
efficiency per
coverage area
(bps/Hz/km2)

15
LTE Advanced carrier aggregation is here …

16
Carrier aggregation launched—key to enabling 150 Mbps
Carrier aggregation is the first step of LTE Advanced

Uplink

10 MHz + 10 MHz

150 Mbps needs 20 MHz of bandwidth and many operators
do not have 20 MHz of contiguous bandwidth

Downlink (Interband)

10 MHz

Band X

Band Y

Band X

Carrier Aggregation allows operators to combine 10 MHz
from different bands to achieve 150 Mbps peak rate
Snapdragon 800

8974
LTE Advanced

DL LTE
Carrier

MDM 9x25
LTE Advanced

DL LTE
Carrier

UL LTE
Carrier

Aggregated
Data Pipe

World’s first mobile device with LTE Advanced Carrier Aggregation
powered by Qualcomm® Snapdragon™ 800 June 2013
Note: Snapdragon 800 includes 8974, which integrates our third generation Gobi LTE modem, but Gobi modems are also offered as a standalone modem product
17

Qualcomm Snapdragon and Qualcomm Gobi are products of Qualcomm Technologies Inc.
Up to 20 MHz
Up to 20 MHz
Up to 20 MHz
Up to 20 MHz
Up to 20 MHz

Higher peak
data rates

LTE Carrier #3
LTE Carrier #1
LTE Carrier #4

Aggregated
Data Pipe

Up to
100 MHz

LTE Carrier #2
LTE Carrier #5

Higher user data rates
and lower latencies for
all users

More capacity for
typical ‘bursty’ usage1

Leverages all
spectrum assets

Carrier Aggregation—fatter pipe to enhance user experience
1The

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,

18
Carrier aggregation increases capacity for typical network load
Bursty data 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
0
Idle time

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.,
19
Advanced multiple antenna
techniques for more capacity

20
More antennas—large gain from receive diversity
Downlink

1.7x

Diversity,
MIMO

(+ 2 x 2 MIMO)

1x
NodeB

4 Way
Receive
Diversity

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

21
Leverage multiple antennas with fiber installations
Coordinated Multipoint (CoMP) progression for more capacity and better user experience
Coordinated
beamforming

Coordinated
scheduling

Remote Radio
Head (RRH)

Macro

Joint
transmission

Remote Radio
Head (RRH)

Remote Radio
Head (RRH)

Same or different cell identity across multiple cells

Central
processing/scheduling
(requires low latency fiber)
22
Note: CoMP enabled by TM9 or TM10 transmission modes in the device and network. Picture focuses on downlink CoMP techniques, CoMP also applies to the uplink
• LTE success factors
• LTE Advanced carrier aggregation is here!
• Bringing more out of small cells with LTE Advanced

• Q&A

Agenda
23
Small cell
Range Expansion

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

It’s not just about adding small cells — LTE Advanced brings
even more capacity and enables hyper-dense HetNets1
1By

applying advanced interference management to HetNets, a.k.a eICIC/IC

24
1X
Small cell
Range Expansion
(eICIC/IC)

Macro
Only

LTE R8
Macro+
4 Picos

with Range Expansion

LTE Advanced

1.4X

LTE R8

2.8X

Macro+
4 Picos

Data rate improvement2

Increased network capacity and enhanced user experience
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 time-domain adaptive resource partitioning, advanced receiver devices with enhanced RRM and RLM1Similar gain for the uplink

25
More users benefit from small cells with range expansion
Range expansion

More users on small cell2
better macro offload
Range Expansion
LTE R8

82%

Small cell

57%
37%

Enabled By:
Adaptive Resource Partitioning (eICIC)1
Advanced Receiver Devices with Interference Cancellation (IC)

6%
2

12%
4

26%
10

Number of Picos per Macro Cell

Assumptions: TR 36.814, Macro ISD=500m, 100 antenna downtilt 25 UEs per Macro cell, uniform random layout, 10 MHz FDD, 2x2 MIMO.
1And enhanced RRM and RLM to allow handover to weak cells, to maintain reliable link with weak cells, and to provide accurate feedback with resource partitioning. Standards name eICIC: Enhanced
inter-cell interference coordination 2For uniform, random user distribution

26
Adaptive
resource
partitioning
(eICIC)1

Advanced
receiver
devices
(IC)2
Full backward
compatibility
(ABS)3

Advanced Interference Management (eICIC/IC)

The Secret Sauce
1eICIC

(R10) and FeICIC (R11) stands for (Further) enhanced Inter Cell Interference Coordination 2IC (R11) stands for Interference Cancellation 3ABS (R10) is to continue to transmit overhead channels in ‘Almost Blank Subframes’ to support legacy devices

27
Adaptive resource partitioning (eICIC):

Time

Macro

Small
Cells

Macro

Small
Cells

Macro
Small
Cells

eICIC (R10) stands for enhanced Inter Cell Interference Coordination (coordination in the time domain). Also need enhanced RRM and RLM to allow handover to weak cells, to maintain reliable link with weak cells, and to provide accurate feedback with resource
28
partitioning.
To discover
Small Cells

To enable higher
data rates

To enable full
range expansion

Advanced receiver devices with interference cancellation
Cancelling overhead channels benefits all deployment scenarios,
but most gain together with network interference coordination (eICIC)
Device interference cancellation cancels overhead channels such as such as synch, broadcast and common reference signal(CRS). Performance requirements part of 3GPP R11

29
LTE Advanced HetNets: Our test bed today—your network tomorrow
Over-The-Air HetNet
Macrocells and picocells in a co-channel
deployment since March 2011
Demonstrating pico discovery and range
expansion with mobility since 2012
Opportunistic Hetnets with full VoIP
mobility demonstrated since 2013

Evaluating the design and features to realize
the full benefits of heterogeneous networks
30
LTE Advanced
is a key enabler to the 1000x
mobile data challenge

31
LTE Advanced is a key enabler to the 1000x data challenge

1000x

Continue to evolve LTE:
Multiflow, Hetnets enhancements
Opportunistic HetNets
LTE Direct for proximity services
LTE Broadcast

Carrier Aggregation (TDD and FDD)
Authorized Shared Access (ASA)
Higher spectrum bands (esp. TDD)
Hetnets with eICIC/IC
interference management
New deployment models, e.g.
neighborhood small cells

Note: to learn more about 1000x go to www.qualcomm.com/1000x ; www.qualcomm.com/hetNets and www.qual;comm.com/spectrum

32
~37X

SMALL CELL
SMALL
~21X CELL
SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

~11X CELL
SMALL

SMALL CELL

~6X

SMALL CELL

SMALL CELL
SMALL CELL

+16 Small
Cells

Capacity scales with small cells

+32 Small
Cells

SMALL CELL
SMALL CELL
SMALL CELL

SMALL CELL

SMALL CELL

+8 Small
Cells

SMALL CELL

SMALL CELL
SMALL CELL

+4 Small
Cells

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL

SMALL CELL
SMALL CELL

SMALL CELL

added1

LTE Advanced with 2x Spectrum added

LTE Advanced, showing what is possible now, add spectrum and
improved techniques for gradual increase towards 1000x

Roadmap to 1000x: Capacity scales with small cells deployed
thanks to advanced interference management (eICIC/IC)
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)

33
Enhanced
HetNets

Tighter Wi-Fi
interworking

M2M
enhancements

LTE expanding
into new areas

Such as Opportunistic HetNets,
Multiflow, next gen.
advanced receivers

Further enhancements—3GPP R12 and Beyond

LTE Advanced continues to evolve and expand into new areas
34
HetNets: combining multiple cells and technologies
WAN
‘Anchor’

WAN
‘Booster’

Wi-Fi
‘Booster’
Macro
Small Cell

Across carriers1,
across FDD/TDD2

Improved offload
to small cells

Across cells
—multiflow2

Efficient network
load balancing

1 Carrier aggregation from R10 LTE within FDD or TDD. 2 Multiflow is a 3GPP R12 LTE candidate., as well as FDD and TDD aggregation. 3 RAN interworking across LTE, HSPA+ and Wi-Fi is a 3GPP R12 candidate.

Interworking across
technologies3

Improved
mobility
35
HetNets: next generation advanced receivers
To mitigate interference—even
more beneficial in dense HetNets

LTE advanced can cancel
common signaling1

Next step for LTE advanced:
further enhanced LTE receivers2

Inter cell
interference

Serving cell

Interference Cancellation
1Performance

requirement added to 3GPP for cancellation of common signaling (PSS/SSS/PBCH/CRS) in Rel 10/11. 2Broad study on UE interference suppression with & without network assistance in 3GPP R12

36
Tighter Wi-Fi—3G/4G interworking

Convergence of Cellular
and Wi-Fi Infrastructure

1) Seamless Access—
Passpoint/Hotspot 2.01

Combine Wi-Fi
and 3G/4G

2) Operator Deployed Wi-Fi
access managed via 3G/4G2
1 Passpoint is the WFA certified implementation of hotspot 2.0, supported by Qualcomm (QCA, and Qualcomm Technologies, Inc.), which enables a simpler, secure and seamless access to Wi-Fi networks.
2 Such as more dynamic control of which traffic to offload to Wi-Fi through device centric and/or network centric solutions. Standards enhancements for RAN network centric interworking approaches considered for R12 and beyond.

37
LTE evolving and expanding into new areas

Same content

~3.5 GHz

LTE Direct: integrated device to
device discovery & communication
for proximity services

Backhaul solutions with
LTE waveform line of sight,
non line of sight, relays

First step towards
higher bands

Enhancements to
support much higher
spectrum bands

Dynamic LTE broadcast,
also going into areas
beyond mobile
38
Summary: Qualcomm LTE advanced leadership

Standards Leadership
A main contributor to key
LTE Advanced features
Major contributor for ITU
IMT-Advanced submission
Instrumental in driving eICIC/IC

Industry-first Demos
MWC 2011: Live HetNet Demo
MWC 2012: Live Over-The-Air HetNet
Demo with Mobility

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

Industry-first Chipsets
Third generation Gobi LTE modem
launched June 13’ with carrier aggregation in
Snapdragon 800

8974
LTE Advanced

MDM 9x25
LTE Advanced

Snapdragon 800
39

Qualcomm Snapdragon and Qualcomm Gobi are products of Qualcomm Technologies, Inc.
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, Snapdragon, and Gobi, are trademarks of Q UALCOMM Incorporated, registered in
the United States and other countries. Qualcomm RF360 and RF POP are the trademarks of QUALCOMM Incorporated. All other trademarks are property 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 Technologies, Inc., a wholly-owned subsidiary of
Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of Qualcomm’s engineering, research and devel opment functions, and substantially all of its
product and services businesses, including its semiconductor business, QMC.

41

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LTE Advanced is Here!

  • 1. Mobilize October 16th 2013, San Francisco, CA LTE Advanced is Here! Speaker: Prakash Sangam, Director - Tech Marketing 1
  • 2. • LTE success factors • LTE Advanced carrier aggregation is here! • Bringing more out of small cells with LTE Advanced • Q&A Agenda 2
  • 3. LTE has a vibrant ecosystem with two flavors: FDD and TDD Global LTE network launches 213 Launches 21 >450 Operators investing in LTE LTE TDD momentum TDD Launches 222 TDD Devices Announced Large and growing device ecosystem 1064 Devices 111 Vendors > 126 Million Global LTE/3G multimode connections Source: www.gsacom.com , Sep 2013 3
  • 4. Successful LTE requires multimode, multiple bands, interworking, voice, and more… 4
  • 5. Seamless 3G interworking is the foundation to successful LTE Enables consistent broadband experience outside LTE coverage Enables global roaming for the foreseeable future Enables ubiquitous voice services— even with VoLTE1 Multimode LTE (FDD and/or TDD) 3G (and 2G) LTE FDD/TDD WCDMA/HSPA+ 1X, EV-DO TD-SCDMA GSMA/EDGE Enables ubiquitous data coverage, voice services, and global roaming 1Fallback to 3G/2G (CSFB) since 2012; VoLTE with SRVCC ensures seamless voice, but CSFB still needed for roaming Qualcomm Gobi is a product of Qualcomm Technologies, Inc. 5
  • 6. Inherent LTE FDD/TDD interworking and seamless voice Initial launches Initial voice solution Long-term voice solution LTE data devices LTE data handsets LTE VoIP handsets LTE for data only LTE for data 2G/3G for voice Simultaneous LTE VoIP and rich data services LTE TDD/FDD with 2G/3G multimode launched globally1 Circuit switched fallback (CSFB) to 2G/3G voice launched globally (FDD and TDD) Coming: VoLTE with single radio voice call continuity (SRVCC) + CSFB to 2G/3G voice for roaming Inherent seamless TDD/FDD interworking for data Inherent seamless TDD/FDD interworking Inherent seamless TDD/FDD interworking for VoLTE 2G/3G coverage continuity and roaming 1Including seamless data LTE and 3G interworking with mobility through redirection, and packet switched handover. 6
  • 7. Ability to support true heterogeneous networks Small cells everywhere Indoor/outdoor of different flavors More spectrum; paired, unpaired, higher bands Over 40 bands and counting Multiple modes LTE FDD/TDD, 1X/EV-DO WCDMA/HSPA+, TD-SCDMA, GSM/EDGE ENTERPRISE Multiple connectivity such as Wi-Fi for opportunistic offload Device in the center of complexity METRO RESIDENTIAL Seamless experience across technologies, cells, bands 7
  • 8. Qualcomm solves the LTE product complexities 8
  • 9. Qualcomm’s unique advantage—we solve LTE complexities Hiding the complexity underneath the most seamless mobile connectivity Connectivity Wi-Fi BT Radio Frequency Bands GPS 19 23 24 26 27 28 21 2 3 5 6 EV-DO 4 8 9 1 GSM/EDGE 18 CDMA 1x Handover Techniques (Multiple Can Apply in Each Case) System Selection Blind Redirection Redirection w/ Measurements Reselection 25 PS Handover CS Fallback CSFB w/ SI Tunneling Single Radio VCC 22 33 35 36 37 38 7 10 11 12 20 34 39 40 41 42 43 13 14 17 44 WCDMA/HSPA TD-SCDMA LTE FDD/TDD Handover Combinations (Hypothetical Examples) LTE 2G/3G 9
  • 10. The modem is the foundation—the bar is getting higher Then you can integrate mobile computing, graphics and multimedia components THE BAR IS GETTING HIGHER AND HIGHER Optimize power and performance in a mobile environment LOW POWER HIGH DATA RATE SMALL SIZE MITIGATE HEAT LOW COST Solve interworking complexity Support all technologies, bands, modes, ... LTE FDD EV-DO LTE TDD GSM/ EDGE UMTS 7 Cellular Standards +Standards Evolution Components of the type(s) mentioned in this slide are products of Qualcomm Technologies, Inc. and/or its subsidiaries. CDMA TD1X SCDMA 700/ 850/900 1500/ 1700/1900 ~40 RF Bands 17 LTE Voice Modes 2300/ 2600 Wi-Fi GNSS BT Wi-Fi, BT, GNSS 10
  • 11. Qualcomm Technologies already on its 3rd generation Gobi LTE modems Continuously increasing level of features, interworking and integration Third Generation World’s First LTE/3G multimode with Cat4 and Carrier Aggregation (launched June 2013) Second Generation First Generation World’s First Mobile Platform (Modem+AP) with integrated LTE/3G Multimode World’s first integrated LTE/3G MDM 9x15 MDM 9600 Snapdragon S4 (8960) Snapdragon 400 (8930) MDM 9200 100Mbps/50Mbps DL/UL FDD and TDD 2010-2011 Snapdragon 800 (8974) Snapdragon 400 (8926) LTE 150Mbps/50 Mbps DL/UL LTE Advanced Carrier aggregation TD-SCDMA LTE Broadcast (eMBMS) VoLTE 2012 Note: Snapdragon integrates the Gobi modems, but Gobi modems are also offered as a standalone modem product Qualcomm Snapdragon and Qualcomm Gobi are products of Qualcomm Technologies, Inc. MDM 9x25 2013 11
  • 12. Enabling multimode LTE in all smartphone tiers 800 Snapdragon 800 (Launched with 3rd Gen. Gobi modem) Premium smartphones and tablets 600 Snapdragon 6001 400 (Launched with 2nd Gen. Gobi modem) High-end smartphones and tablets (3rd Snapdragon 400 Gen. Gobi modem coming) High-volume smartphones in emerging regions 1 Snapdragon 600 launched 1H 2013 uses separate 2nd generation LTE Gobi modem MDM 9x15. Snapdragon 800 (8974 launched June 2013) and newest 400 (8926) have both integrated 3rd gen. LTE support Cat4(150Mbps) and LTE Advanced carrier aggregation 12 Qualcomm Snapdragon is a product of Qualcomm Technologies Inc.
  • 13. • LTE success factors • LTE Advanced carrier aggregation is here! • Bringing more out of small cells with LTE Advanced • Q&A Agenda 13
  • 14. 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. 14 Created 7/18/2013
  • 15. Different dimensions of improvements—most gain from HetNets LTE Carrier #3 Leverage wider bandwidth Carrier aggregation across multiple carriers and multiple bands LTE Carrier #1 LTE Carrier #4 Aggregated Data Pipe LTE Carrier #2 Leverage more antennas Downlink MIMO up to 8x8, enhanced Multi User MIMO and uplink MIMO up to 4x4. Coordinated multipoint (CoMP) MIMO Higher spectral efficiency (bps/Hz) Leverage HetNets With advanced interference management (eICIC/IC) Primarily higher data rates (bps) LTE Carrier #5 LTE Advanced Up to 100 MHz Small Cell Higher spectral efficiency per coverage area (bps/Hz/km2) 15
  • 16. LTE Advanced carrier aggregation is here … 16
  • 17. Carrier aggregation launched—key to enabling 150 Mbps Carrier aggregation is the first step of LTE Advanced Uplink 10 MHz + 10 MHz 150 Mbps needs 20 MHz of bandwidth and many operators do not have 20 MHz of contiguous bandwidth Downlink (Interband) 10 MHz Band X Band Y Band X Carrier Aggregation allows operators to combine 10 MHz from different bands to achieve 150 Mbps peak rate Snapdragon 800 8974 LTE Advanced DL LTE Carrier MDM 9x25 LTE Advanced DL LTE Carrier UL LTE Carrier Aggregated Data Pipe World’s first mobile device with LTE Advanced Carrier Aggregation powered by Qualcomm® Snapdragon™ 800 June 2013 Note: Snapdragon 800 includes 8974, which integrates our third generation Gobi LTE modem, but Gobi modems are also offered as a standalone modem product 17 Qualcomm Snapdragon and Qualcomm Gobi are products of Qualcomm Technologies Inc.
  • 18. Up to 20 MHz Up to 20 MHz Up to 20 MHz Up to 20 MHz Up to 20 MHz Higher peak data rates LTE Carrier #3 LTE Carrier #1 LTE Carrier #4 Aggregated Data Pipe Up to 100 MHz LTE Carrier #2 LTE Carrier #5 Higher user data rates and lower latencies for all users More capacity for typical ‘bursty’ usage1 Leverages all spectrum assets Carrier Aggregation—fatter pipe to enhance user experience 1The 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, 18
  • 19. Carrier aggregation increases capacity for typical network load Bursty data 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 0 Idle time 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., 19
  • 20. Advanced multiple antenna techniques for more capacity 20
  • 21. More antennas—large gain from receive diversity Downlink 1.7x Diversity, MIMO (+ 2 x 2 MIMO) 1x NodeB 4 Way Receive Diversity 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 21
  • 22. Leverage multiple antennas with fiber installations Coordinated Multipoint (CoMP) progression for more capacity and better user experience Coordinated beamforming Coordinated scheduling Remote Radio Head (RRH) Macro Joint transmission Remote Radio Head (RRH) Remote Radio Head (RRH) Same or different cell identity across multiple cells Central processing/scheduling (requires low latency fiber) 22 Note: CoMP enabled by TM9 or TM10 transmission modes in the device and network. Picture focuses on downlink CoMP techniques, CoMP also applies to the uplink
  • 23. • LTE success factors • LTE Advanced carrier aggregation is here! • Bringing more out of small cells with LTE Advanced • Q&A Agenda 23
  • 24. Small cell Range Expansion Higher capacity, network load balancing, enhanced user experience, user fairness It’s not just about adding small cells — LTE Advanced brings even more capacity and enables hyper-dense HetNets1 1By applying advanced interference management to HetNets, a.k.a eICIC/IC 24
  • 25. 1X Small cell Range Expansion (eICIC/IC) Macro Only LTE R8 Macro+ 4 Picos with Range Expansion LTE Advanced 1.4X LTE R8 2.8X Macro+ 4 Picos Data rate improvement2 Increased network capacity and enhanced user experience 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 time-domain adaptive resource partitioning, advanced receiver devices with enhanced RRM and RLM1Similar gain for the uplink 25
  • 26. More users benefit from small cells with range expansion Range expansion More users on small cell2 better macro offload Range Expansion LTE R8 82% Small cell 57% 37% Enabled By: Adaptive Resource Partitioning (eICIC)1 Advanced Receiver Devices with Interference Cancellation (IC) 6% 2 12% 4 26% 10 Number of Picos per Macro Cell Assumptions: TR 36.814, Macro ISD=500m, 100 antenna downtilt 25 UEs per Macro cell, uniform random layout, 10 MHz FDD, 2x2 MIMO. 1And enhanced RRM and RLM to allow handover to weak cells, to maintain reliable link with weak cells, and to provide accurate feedback with resource partitioning. Standards name eICIC: Enhanced inter-cell interference coordination 2For uniform, random user distribution 26
  • 27. Adaptive resource partitioning (eICIC)1 Advanced receiver devices (IC)2 Full backward compatibility (ABS)3 Advanced Interference Management (eICIC/IC) The Secret Sauce 1eICIC (R10) and FeICIC (R11) stands for (Further) enhanced Inter Cell Interference Coordination 2IC (R11) stands for Interference Cancellation 3ABS (R10) is to continue to transmit overhead channels in ‘Almost Blank Subframes’ to support legacy devices 27
  • 28. Adaptive resource partitioning (eICIC): Time Macro Small Cells Macro Small Cells Macro Small Cells eICIC (R10) stands for enhanced Inter Cell Interference Coordination (coordination in the time domain). Also need enhanced RRM and RLM to allow handover to weak cells, to maintain reliable link with weak cells, and to provide accurate feedback with resource 28 partitioning.
  • 29. To discover Small Cells To enable higher data rates To enable full range expansion Advanced receiver devices with interference cancellation Cancelling overhead channels benefits all deployment scenarios, but most gain together with network interference coordination (eICIC) Device interference cancellation cancels overhead channels such as such as synch, broadcast and common reference signal(CRS). Performance requirements part of 3GPP R11 29
  • 30. LTE Advanced HetNets: Our test bed today—your network tomorrow Over-The-Air HetNet Macrocells and picocells in a co-channel deployment since March 2011 Demonstrating pico discovery and range expansion with mobility since 2012 Opportunistic Hetnets with full VoIP mobility demonstrated since 2013 Evaluating the design and features to realize the full benefits of heterogeneous networks 30
  • 31. LTE Advanced is a key enabler to the 1000x mobile data challenge 31
  • 32. LTE Advanced is a key enabler to the 1000x data challenge 1000x Continue to evolve LTE: Multiflow, Hetnets enhancements Opportunistic HetNets LTE Direct for proximity services LTE Broadcast Carrier Aggregation (TDD and FDD) Authorized Shared Access (ASA) Higher spectrum bands (esp. TDD) Hetnets with eICIC/IC interference management New deployment models, e.g. neighborhood small cells Note: to learn more about 1000x go to www.qualcomm.com/1000x ; www.qualcomm.com/hetNets and www.qual;comm.com/spectrum 32
  • 33. ~37X SMALL CELL SMALL ~21X CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL ~11X CELL SMALL SMALL CELL ~6X SMALL CELL SMALL CELL SMALL CELL +16 Small Cells Capacity scales with small cells +32 Small Cells SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL +8 Small Cells SMALL CELL SMALL CELL SMALL CELL +4 Small Cells SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL SMALL CELL added1 LTE Advanced with 2x Spectrum added LTE Advanced, showing what is possible now, add spectrum and improved techniques for gradual increase towards 1000x Roadmap to 1000x: Capacity scales with small cells deployed thanks to advanced interference management (eICIC/IC) 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) 33
  • 34. Enhanced HetNets Tighter Wi-Fi interworking M2M enhancements LTE expanding into new areas Such as Opportunistic HetNets, Multiflow, next gen. advanced receivers Further enhancements—3GPP R12 and Beyond LTE Advanced continues to evolve and expand into new areas 34
  • 35. HetNets: combining multiple cells and technologies WAN ‘Anchor’ WAN ‘Booster’ Wi-Fi ‘Booster’ Macro Small Cell Across carriers1, across FDD/TDD2 Improved offload to small cells Across cells —multiflow2 Efficient network load balancing 1 Carrier aggregation from R10 LTE within FDD or TDD. 2 Multiflow is a 3GPP R12 LTE candidate., as well as FDD and TDD aggregation. 3 RAN interworking across LTE, HSPA+ and Wi-Fi is a 3GPP R12 candidate. Interworking across technologies3 Improved mobility 35
  • 36. HetNets: next generation advanced receivers To mitigate interference—even more beneficial in dense HetNets LTE advanced can cancel common signaling1 Next step for LTE advanced: further enhanced LTE receivers2 Inter cell interference Serving cell Interference Cancellation 1Performance requirement added to 3GPP for cancellation of common signaling (PSS/SSS/PBCH/CRS) in Rel 10/11. 2Broad study on UE interference suppression with & without network assistance in 3GPP R12 36
  • 37. Tighter Wi-Fi—3G/4G interworking Convergence of Cellular and Wi-Fi Infrastructure 1) Seamless Access— Passpoint/Hotspot 2.01 Combine Wi-Fi and 3G/4G 2) Operator Deployed Wi-Fi access managed via 3G/4G2 1 Passpoint is the WFA certified implementation of hotspot 2.0, supported by Qualcomm (QCA, and Qualcomm Technologies, Inc.), which enables a simpler, secure and seamless access to Wi-Fi networks. 2 Such as more dynamic control of which traffic to offload to Wi-Fi through device centric and/or network centric solutions. Standards enhancements for RAN network centric interworking approaches considered for R12 and beyond. 37
  • 38. LTE evolving and expanding into new areas Same content ~3.5 GHz LTE Direct: integrated device to device discovery & communication for proximity services Backhaul solutions with LTE waveform line of sight, non line of sight, relays First step towards higher bands Enhancements to support much higher spectrum bands Dynamic LTE broadcast, also going into areas beyond mobile 38
  • 39. Summary: Qualcomm LTE advanced leadership Standards Leadership A main contributor to key LTE Advanced features Major contributor for ITU IMT-Advanced submission Instrumental in driving eICIC/IC Industry-first Demos MWC 2011: Live HetNet Demo MWC 2012: Live Over-The-Air HetNet Demo with Mobility MWC 2013: Live OTA opportunistic HetNet Demo with VoIP Mobility. Authorized Shared Access (ASA) demo Industry-first Chipsets Third generation Gobi LTE modem launched June 13’ with carrier aggregation in Snapdragon 800 8974 LTE Advanced MDM 9x25 LTE Advanced Snapdragon 800 39 Qualcomm Snapdragon and Qualcomm Gobi are products of Qualcomm Technologies, Inc.
  • 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, Snapdragon, and Gobi, are trademarks of Q UALCOMM Incorporated, registered in the United States and other countries. Qualcomm RF360 and RF POP are the trademarks of QUALCOMM Incorporated. All other trademarks are property 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 Technologies, Inc., a wholly-owned subsidiary of Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of Qualcomm’s engineering, research and devel opment functions, and substantially all of its product and services businesses, including its semiconductor business, QMC. 41