Long term evolution overview

Long Term EvolutionOverview

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22109 - FGB 101 469 Uen Rev B Commercial in confidence 2008-01-082

Mobile broadbandMarket Update

LTE Performance

SAE/LTEArchitecture

LTEDeployment & Products


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LTE Performance

SAE/LTEArchitecture



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Broadband growth > 1.8 billion subscriptions 2012

Source: OVUM, Strategy Analytics & Internal Ericsson

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300

600

900

1200

1500

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2100

2005 2006 2007 2008 2009 2010 2012

Su

bs

cri

pti

on

s (

Mil

lio

ns

) Mobile Broadband

Fixed Broadband

2011

Broadband becomes personal


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Traffic growthin fixed and mobile networks

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1 000 000

2 000 000

3 000 000

4 000 000

5 000 000

2004 2005 2006 2007 2008 2009 2010 2011 2012

Subscriber traffic in mobile access networks

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arly

T

era

byt

e

TV/Video

Internet

Voice0

100 000 000

200 000 000

300 000 000

400 000 000

2005 2006 2007 2008 2009 2010 2011 2012

Subscriber traffic in fixed access networks

IPTV

InternetVoice

Ye

arly

T

era

byt

e

Continue strong traffic growth


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HSPA boosts mobile data uptakeStrong data traffic growth

New revenue streams with mobile broadband

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Sep06

Oct06

Nov06

Dec06

Jan07

Feb07

Mar07

Apr07

May07

June07

July07

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Sep07

Data Oper 1R

elat

ive

Net

wo

rk L

oad

Voiceworld average

Data Oper 2 Data Oper 3


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LTE Performance

SAE/LTEArchitecture



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3GPP LTE performance targets

High data rates– Downlink: >100 Mbps– Uplink: >50 Mbps

Low delay/latency – User plane RTT: <10 ms

High spectral efficiency– Targeting 3 X HSPA Rel. 6

High Performance Broadcast services

Cost-effective network design


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SC-FDMA

OFDMA

Key LTE radio access features

TX TX

20 MHz1.4 MHz

LTE radio access– Downlink: OFDM– Uplink: SC-FDMA

Advanced antenna solutions– Diversity– Multi-layer transmission (MIMO)– Beam-forming

Spectrum flexibility– Flexible bandwidth– New and existing bands– Duplex flexibility: FDD and TDD


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Use

r th

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bp

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LTE FDD 20 MHz, Average



LTE performanceDownlink, 3GPP simulations

50

60

70

80

90

Number of broadband subscribers

Wider carrier => higher bit rate and trunking gains less relative OH


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3GPP LTE PerformanceMaximum peak data rates

Downlink (20 MHz)

2 TX / 2 RX 158 Mbps

4 TX / 4 RX 288 Mbps

Uplink (20 MHz)

1 TX / 2 RX 52 Mbps

2 TX / 2 RX 96 Mbps

Target values (100/50 Mbps) are reached!

21% overhead for reference signals and L1/L2 control assumed


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The LTE time plan

LTE is the next mobile network standard defined by 3GPPGeneral availability planned 2009

In line with majority of operators planned roll out

LTE Standardization timeline

LTE

2004 2005 2006 2007 2008

Technical studies

Specifications

Technically stable specifications (>80% complete)

L1

L2

L3

Perf requirements

UE conf test specs


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Open initiative by Vendors and Operators

Objective– Promote LTE/SAE as NGMN technology– Drive Industrialization of LTE/SAE– Stimulate development of LTE/SAE ecosystem

3 Phases: – Proof of Concept– IODT/IOT– Customer trials

LTE/SAE Trial Initiative

Note

Note: this list is continuously growing


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LTE Performance

SAE/LTEArchitecture



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Terminology update

EPC Evolved Packet Core (earlier SAE = System Architecture Evolution)

eUTRAN Evolved UTRAN (earlier LTE RAN = Long Term Evolution)

EPS Evolved Packet System incl. EPC, eUTRAN and terminals

2G

3G, HSPA

eUTRAN

Non-3GPP

CS networks

EPC

Circuit Core

IMS domainUser mgmt

”IP networks”

Core Network


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eUTRAN (LTE) interfaces

MME/UPE

S1S1 S1

X2 X2

eNode BeNode B eNode B

EvolvedPacketCore

EvolvedUTRAN


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EPS Architecture

SAE GW(PDN GW andServing GW)

S1 CP S1 UP

LTE

IP networks

MME

eNode B

Non-3GPP access

SGSN

Iu CPGb

2G 3G

S3

HLR/HSS PCRF

S12

S11

Gr

S7

S10

SGi

S4

S6a

S2a/b/c

BSC RNC

BTS Node B


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Deployment example of LTE with GERAN/UTRAN

GGSNGGSNGi

Packet Data Networks (Internet)

Node BNode B

RNCRNC

BTSBTS

BSCBSC

Iu up/S12

Iub

Gb

UTRANGERAN

Control Interface

User Data Interface

SGSNSGSN

Gn

Iu/Gn-UP(Rel-7 One Tunnel)

LTE

eNode BeNode B

S1-CS1-U

3GPP Rel-7 specifies the feature called “3G Direct Tunnel” where the user plane goes direct between RNC and GGSN

3GPP Rel-8 specifies a SAE GW and a MME. SW upgrade of the GGSN gives SAE GW functionality and MME functionality in the SGSN

LTE capable eNode Bs are introduced

SGSN/MMESGSN/MME

GGSN/SAE GWGGSN/SAE GW


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HSPA and LTE

HSPA everywhere 2010– Thousands of Node Bs and sites provide coverage– HSPA Evolution performance on par with LTE for 5MHz

Cost efficient network evolution– Rely on HSPA for coverage– LTE where peak rate is needed– Gradually build more LTE coverage– HSPA Evolution and LTE on the same evolved Core Network

Smooth migration and lowest introduction cost for LTE


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Network evolutionOpportunities for LTE

HSPAWCDMA eHSPAGSM

LTE

CDMARev C

EV-DOCDMA

LTE supports a multitude of implementation scenarios


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LTE Performance

SAE/LTEArchitecture



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3GPP bands for LTE FDD & TDD

Wide range of bands enables global support

450-470 MHz698-806 MHz for USpart of 698-862 MHz for CEPT and others3400-3800 MHz

Additional bands proposed to bespecified in 3GPP

FDDBand ”Identifier” Frequencies (MHz)

I IMT Core Band 1920-1980/2110-2170

II PCS 1900 1850-1910/1930-1990

III GSM 1800 1710-1785/1805-1880

IV AWS (US & other) 1710-1755/2110-2155

V 850 824-849/869-894

VI 850 (Japan) 830-840/875-885

VII IMT Extension 2500-2570/2620-2690

VIII GSM 900 880-915/925-960

IX 1700 (Japan) 1750-1785/1845-1880

X 3G Americas 1710-1770/2110-2170

TDD

Band ”Identifier” Frequencies (MHz)

a TDD 2000 1900-19202010-2025

b TDD 1900 1850-19101930-1990

c PCSCenter Gap

(1915)1910-1930

d IMT Extension Center Gap

2570-2620


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LTE in WCDMA RBS

LTE can be integrated into Ericsson WCDMA RBS (R3) products

The bigger cabinets can be equipped with LTE as a simple carrier addition

In the other cabinets LTE is introduced as a baseband addition into the cabinets and radio equipment as remote units (RRUs)


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LTE Introduction in RBS 3206

Add

Dual ModeDual Band

StandardizedLTE modules


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Ericsson LTE RBSExample for same or new frequency bands

HSPA and LTE Dual-Mode/Dual-Band LTE Plug-In Units for indoor and

outdoor WCDMA macro LTE upgrade for GSM Macro LTE Main Remote O&M for migration and seamless

management Multiple bands in first release

WCDMA 3x4 + LTE RRU´sMacro also includes LTE Main Unit

WCDMAor GSM


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LTE in GSM RBS

LTE can be introduced into RBS 2106 and RBS 2206 as a mechanical integration

LTE can be added to the RBS 3216 as bolt on option, i.e. a RBS 3216 stacked on top of a RBS 2216


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Packet CoreExamples

Evolution of SGSN – 3G Direct Tunnel for efficient

scaling of Mobile Broadband capacity

– ”MME” functionality added

Evolution of GGSN– LTE support added – Mobile IP added


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Repeater node

LTE transmissionExamples

Edge Node

Aggregation Node

Fiber interconnect Node

600 MBps

MINI-LINK TN 20p

MINI-LINK TN 6p

MINI-LINK TN 2p


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Operation and MaintenanceFacilitates the way from 2G & 3G to LTE Service

The O&M solution supports both stand-alone LTE network and easy migration towards a combined LTE with 2G and 3G;

Assures;– Coordinated solutions for element management– Coordinated solutions in OSS-RC


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Vision; LTE O&M = SimplicityFast and painless start and operation

...Self-x functions - always optimized service

...O&M on demand – human action when required

...Friendly neighbor - easy co-existence

...Full Control – correct information at hand

Self-x

O&M on-demand

Friendly neighborFull Control


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Ericsson Mobile Platform for LTEBuilding on leadership in 3G platforms

Powerful mobile broadbandexperience day one

Designed for different typesof devices

Flexible configurations


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LTE development time plan

2005 2006 2007 2008 2009

Ericsson commericalproduct Releases

Study Item Work Item CR & functional growth

HW Development

SW Development

LTE development

LTE GA


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Summary

The LTE standard progress well LTE performance exceeds the 3GPP performance targets LTE infrastructure and many devices in multiple bands in

2009/10 Ericsson’s total product offering for Operators and Device

OEMs– Infrastructure (RAN, CN, Mini-Link, Site, Antennas, OSS,….) – Mobile Platform– Broadband modules – Fixed Wireless Terminals– Sony Ericsson devices


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Technology

Long term evolution overview