Jim seymour, alcatel lucent lte and lte-advanced

The Path to 4G: LTE and LTE-Advanced

James SeymourJames Seymour Senior Director Alcatel-Lucent

4G Technology Roadmap - Hosted by 4G Americas

Applications & Devices Driving Bandwidth

Feature Phones Smartphones Tablet ComputersOne Data Friendly

F PhFeature Phones Smartphones Tablet ComputersOne

megabyte = one digital

book, 45 seconds of

Voice Calls: 4-11 MB/Hr

Web Browsing:

Voice Calls: 4 -11 MB/Hr

Web Browsing:

Voice Calls: 4-11MB/Hr

Web Browsing:

Web Browsing: 350MB

Net Radio:

Feature Phones

seconds of music, 20 seconds of medium quality video

Web Browsing: 20 MB

Email: 20 MB

Web Browsing: 30 MB

Email: 50 MB

Web Browsing: 100 MB

Net Radio: 70 MB

YouTube Videos:

Net Radio: 140 MB

YouTube Videos: 150 MB

Email: 100 MBvideo50 MB

Email: 50 MB80 MB

185 MB

800 MB

*high-end netbooks or laptops model about 30% higherhl

y To

tal*

* Estimated Source: BusinessWeek (February 2010), Data: Internal Alcatel-Lucent Research

800 MB

1,900 MB (1.9GB)

about 30% g e

Mon

th


Smartphone User Profile for 4G

3,000MBps/month/user

2,000

2,500Gaming

Web BrowsingAudio StreamingDownloads

1,000

1,500 All Video

500

2010 2011 2012 2013 2014 2015

Cloud (non-Video)P2PSMS/MMS/IM/Voice

0

High Growth in Web, Streaming, Interactive Video Apps

D t U LTE j t d t f 700MB t 2 5GB

2010 2011 2012 2013 2014 2015


Data Usage per LTE user projected to grow from 700MB to 2.5GB

Meeting the Fast Growing Wireless Data Capacityand User Experience Demands

Broadband Capacity

4G/LTE/ LTE-Advanced

E2E IP Service / Policy ManagementHetNetSmall

Cells

2G3G+

Network Topology Evolution

SONWiFi

Leverage LTE Spectral Efficiency and New Spectrum Cost-Efficiency / QoE


and New Spectrum Cost Efficiency / QoE

Achieving the End-to-End SolutionSubscriber Apps

and Services

PCRF

MME HSS

Device Partnerships

Flexible LTE Radio Access

Field proven Aggregation and Core Network

Application Prototyping & Service

IMS,Mobile TV, etc.eNodeB

PCRF

SGW

PGW

Partnerships Optionsgg g

Transportyp g

Delivery Platforms

LTE Baseband Unit Service SGW & PGW

Service Router

Aggregation Router MMEPlug-in Remote head

MicrowavePCRF HSS

l l i i h i l b i d l

Small Cells / Specific Deployments


Alcatel-Lucent is paving the way to new wireless business models.

Carrier Aggregation (CA) for LTE-Advanced

Carrier Aggregation combines multiple LTE carriers

Intra band example: 40 MHzIntra-band example: 40 MHz

Carrier Aggregation combinations defined as non-

release specific.

20 MHz 20 MHz

Inter-band example: 40 MHz

20 MHz 20 MHz

Inter band example: 40 MHz

Freq

CA Critical for meeting ITU IMT-Advanced Peak Rate Requirement (1 Gbps)

Freq

4G Technology Roadmap - Hosted by 4G Americas 6 | August 2010

MIMO Enhancements for LTE-Advanced

Decision Tree

SM = Spatial MultiplexingRI = Rank IndicationCQI = Channel Quality IndicationPMI = Pre-coding Matrix IndicationRS = Reference Symbol

SIMO

Rel-10 (LTE-Advanced) adds 8x8 DL and 4x4 UL

Single A

Diversity Array2x2, 4x2 or 4x4

Linear Array1x2 or 1x4

4x2, 4x4SIMO MIMO

AntennaMU-MIMO

P t 0

Port 5Dedicated RS Dual Layer (Rel-9)

Open LoopRI, CQI, no PMI

Closed LoopRI, CQI, PMI

Port 0Common RS

Single StreamRank 1

Multi-StreamRank 2-4

Transmit Di it

Open Loop SM

Single StreamRank 1

Multi-StreamRank 2-4

Closed Loop R k 1

Closed Loop

Rel-10 (LTE-Advanced) improves codebook/feedback

for MU-MIMO Diversity Rank=1 Precoding

SM

LTE-Advanced builds off the wide range of Rel-8/Rel-9 MIMO capabilities to i k d l ffi i

for MU MIMO


improve peak rates and spectral efficiency

MU-MIMO Enhancement for LTE-Advanced

MU-MIMO enhancements provide up to 50% spectral efficiency gain Dynamic switching between SU- and MU-MIMO supportedy g pp Up to 2 layers per UE in MU-MIMO Enhanced CSI feedback structure and codebook design

CSI feedback

Enhanced MU MIMOMU-MIMO

MU-MIMO Enhancements critical for meeting IMT-Advanced


MU MIMO Enhancements critical for meeting IMT Advanced DL spectral efficiency requirements

Co-ordinated Multi-Point (CoMP) Multiple Approachesp pp

Interference Avoidance Network MIMO

Potential 2x spectral efficiency gain , but complex

Advanced forms of CoMP only provide ~2X spectral efficiency increase still need more cells to meet faster growing wireless data capacity demands


Where Small Cells Provide Gains

500x

200x

75xic in

crea

se

Metro Cell75x

20x

nsit

y or

tra

ffi

I d H

Metro Cell

5x

1 Add Carrier on Macro

Den Indoor Home

& Enterprise

Source: Bell Labs Modeling analysis

Hotspot Size (Area in Square Meter)

100,00025,00010,0005,0001,000250

H E t i d M t C ll li t th M N t k


Home, Enterprise and Metro Cells compliment the Macro Network

Interference Management with Small Cells

Interference

Frequency Selective Scheduling (FSS), Power Control (PC) and Inter-Cell Interference Coordination (ICIC) enables same carrier HetNet deployments for LTE

Macro eNBPico Cell

InterferenceControlData

LTE Rel-8 capabilities such can manage LTE HetNet interference.

PDCCHHigh power High power

PDCCH-less

CC2CC1LTE-Advanced features such as Carrier Aggregation (CA) and Enhanced ICIC (eICIC) will further improve same carrier HetNet performance for LTE

Macro eNB

UE on carrier 2 withcontrol on carrier 1

UE on carrier 2 withcontrol on carrier 2 UE on carrier 1 with

UE on carrier 1 withcontrol on carrier 1

PDCCH

Macro cell

Small cell

PDCCH

CA Avoids control channel interference

PDCCH-less

PDCCH less

LTE-Advanced techniques further help to manage control channel Interference.

control on carrier 2 UE on carrier 1 withcontrol on carrier 2

Small cell

Low powerLow power


LTE Small Cells/HetNets Performance

1 3GPP Case I with Configuration 4a

Case1 3D - PL model 1 - PS4a - 30dBm pico TX power

5000O lll

Source: Bell Labs Research

No Biasing

0.6

0.8

F

3000

3500

4000

4500

ghpu

t [M

bps]

OveralllMacro onlyPico only

0.4

C.D

.F

No Hotzone10 Hotzone with 0dB Bias1000

1500

2000

2500

Agg

rega

ted

thro

ug

10-2 10-1 1000

0.2

10 Hotzone with 3dB Bias10 Hotzone with 6dB Bias10 Hotzone with 9dB Bias

0

500

0 1 2 4 10

Number of pico cells per macro cell

Normlized User Throughput (bps/Hz)Key Assumptions: Macro: Outdoor RRH based on 3GPP Case1 (ISD = 500m, 2 GHz, 46 dBm),

Small Cell: 30 dBm, 4a dropping criteria 60 UEs and constant number of small cells per macro; 2 UEs in 40m radius around each small cell; small cells and remaining UEs uniformly distributed,


LTE Small Cell/HetNets provide significant capacity improvement critical for addressing the fast growing wireless data demands

Relays

Type I (in band) C1 time 1C1 time 2C1 C2

Time division multiplex at relay

Type Ia (out-of-band providing RF isolation) C1

C1 or C2Donor eNB Relay node

Type Ia (out of band providing RF isolation)C2C1, C2 or C3

Donor eNB Relay node

Type Ib (in band, RF isolation) C1C1 or C2

R l d

RF isolation at relay

Donor eNB Relay node

Relays can provide backhaul solution where dedicated backhaul is challenging

4G Technology Roadmap - Hosted by 4G Americas 13 | August 2010

Self Optimizing Network (SON)Innovations to continue through LTE-Advanced

Self-Configuration/

Plug & Play

Handover &RACH

Optimization

Neighbor Cell Relation &auto Cell ID

Interference Co-Ordination

(ICIC)

Load Balancing E2E &

HetNet Optimization

Coverage &Capacity

Optimization

Release 8

Energy Savings

Release 9 Release 10 & Beyond

( )

Plug & play femto

Automated neighbor cell

Inter-Cell Interference Cancellation based on inter-cell

Savings

femto neighbor cell relation

Cancellation based on inter-cell negotiation

• Reduces Hand Over failure

• Improves throughput/QoE• Performance increase in call set up

Comprehensive SON solution, powered by our 3G experience and

Bell Labs Research Bell Labs efforts injected into


Bell Labs efforts injected into our wireless developments

Summary

• Fast growing wireless data capacity demands due to smartphones and highFast growing wireless data capacity demands due to smartphones and high growth in web, streaming and interactive video apps

• LTE & LTE-Advanced coupled with small cells & relays will address these fast growing wireless data capacity demandsgrowing wireless data capacity demands

• Carrier Aggregation and MU-MIMO enhancements are the key LTE-Advanced features for meeting IMT-Advanced requirements

CoMP has potential to provide significant further spectral efficiency gain with added– CoMP has potential to provide significant further spectral efficiency gain with added complexity

– Relays and continued SON evolution to support E2E and HetNet optimizations are additional LTE-Advanced features

• Alcatel-Lucent is delivering market leading end-to-end LTE solution with smooth evolution to LTE-Advanced, paving the way to new business models


Education

Jim seymour, alcatel lucent lte and lte-advanced