Evolution of WiMAX Standards for IMT-Advancedkrnet.or.kr/board/data/dprogram/1354/F1-3.pdf · 2012-05-09 · Mobile WiMAX Roadmap Mobile WiMAX Release 1.0 Mobile WiMAX Release 1.5

Evolution of WiMAX Standards for IMT-Advanced

KRnet 2009

2009. 6. 26

Wonil Roh, Ph.D.

Director, Samsung Electronics Corp.

Chair, Technical Working Group (TWG), WiMAX Forum

[email protected]

All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.1 KRnet 2009

Table of Contents

▣ Mobile WiMAX Roadmap

▣ Mobile WiMAX Release 1.0

▣ Mobile WiMAX Release 1.5

▣ Mobile WiMAX Release 2.0 (WiMAX Evolution)◈ 16m as IMT-Advanced Technology ◈ 16e vs. 16m◈ Requirements of 16m◈ Key Features

Frame structure, Backward Compatibility, Network Architecture, MIMO, Multi-Carrier, Femto/SON, Relay, Coexistence

▣ Summary


Mobile WiMAX Roadmap

Wave 1 Certification(Q1 2008)

Wave 2Certification(Q2 2008)

Certification + Enhanced Optional Network Services(2011)

Mobile WiMAXSystem Profile (2006)

Mobile WiMAXSystem Profile (Q2 2009)

Mobile WiMAXSystem Profile (2Q 2010)

Release 1.0WiMAXNetwork(2008)

Release 2.0

NetworkSpecification

Release 1.5

ExtensionWiMAXNetwork(Q2 2009)

WiMAXNetwork 1.6 & 2.0(2009 - 2010)

Certification

SystemSpecification

Wave 2Certification + Baseline NetworkServices[Retail Dist](Q2 2009)

Certification + Enhanced Optional Network Services(Q1 2010)

Evolution

802.16Standards

802.16m (Q2 2010)(Targeting IMT-Adv.)

802.16-2009(Q2 2009)

802.16e (Dec 2005)+ Cor2 (Q2 2007)

Mobile WiMAX Technology

Extension Evolution

IEEE

Source: WiMAX Forum.Samsung Projections, subject to change


Mobile WiMAX Rel 1.0 Radio Profiles

All are TDD

Mobile Profiles (MP) NotesMP01 (1A) 2.3-2.4GHz,8.75MHz,TDD Korea Telecom

Wave 1 Certification (’08. 4)Wave 2 Certification (’09 EOY)

MP02 (1B) 2.3-2.4GHz,5,10MHz,TDD Wave 2 Certification (’09 EOY)

MP03 (2B) 2.305–2.320,2345-2.360GHz 5MHz,TDD WCS (US)

MP04 (2C) 2.305–2.320,2345-2.360GHz 10MHz,TDD WCS (US)

MP05 (3A) 2.496-2.69GHz, 5+10MHz,TDD Clearwire, UQ, YotaWave 2 Certification (’08. 6)

MP06 (4A) 3.3-3.4GHz 5MHz,TDD

MP07 (4B) 3.3-3.4GHz 7MHz,TDD

MP08 (5A) 3.4-3.8GHz 5MHz,TDD

MP09 (5AL) 3.4-3.6GHz 5MHz,TDD Wave 2 Certification (’09.2Q)

MP10 (5BL) 3.4-3.6GHz 7MHz,TDD Wave 2 Certification (’09.2Q)

MP11 (5C) 3.4-3.8GHz 10MHz,TDD

MP12 (5CL) 3.4-3.6GHz 10MHz,TDD Wave 2 Certification (’09. 1Q)


Reference Standards of Mobile WiMAXRelease 1 Products & Certification

IEEE Std. 802.16e-2005 + IEEE P802.16-2004/Cor2

Mobile WiMAX Products & Certification

Network : Networking Specifications (NWG)

IEEE802.16

WiMAXForum

System Profile (Radio, PHY, MAC) (TWG)


Key Features in Release 1.5 : Air

Category Feature

FDDH-FDDF-FDD2.3GHz, 2.5GHz, 3.5GHz, AWS, 700 MHz

MAP Overhead Reduction

Persistent allocation (for efficient support for VoIP traffic)

MBS MBS enhancements

MiscAdvanced MIMO (UL 2 Tx MIMO, CL-MIMO etc)WiMAX/WiFi/BT coexistence, LBS etc

Published in 2Q ‘09

Rel 1.5 is a point release and offers limited areas of improvement


Key Features in Release 1.5 : Network

Add-on Features on Rel 1ASN EnhancementCore Network EnhancementVarious Services

AAA

ASN-G

BS

MS

BS

R6

R4

R1

R8

I. ASN Enhancement1. Handover Data Forwarding 2. ROHC-enabled 3. BS-to-BS (Normative R8)4. Dynamic QoS

IMSHA/LMA PCRF

Diameter R3-PCC (Rel7)PMIPv6

II. CSN Enhancement1. Simple IP Support2. Diameter3. PCRF (R3-PCC)4. Proxy MIPv65. Interworking with IMS

Web Service

s

OTA

USI

LBS MCBCS

E911

III. Add-on Services1. OTA

Activation/Provisioning2. Location-based Service3. MCBCS4. Emergency Service5. Lawful Interception6. Universal Service

InterfaceLI

Note1. Release 1.5 Specification is on a feature basis.Each feature may have a different release timeline.

Note2. Categorization shown in the figure made by the presenter


Evolution of Mobile WiMAX

: WiMAX Release 2.0

(IEEE 802.16m)


Global Standards for IMT-Advanced

SRD : System Req. DocSDD : System Description Doc.AWD: Amendment Working Doc. LB : Letter BallotSB : Sponsor Ballot

‘07 ‘08 ‘09 ‘10

Proposals

Evaluation

Consensus Building

IMT.TECH (Requrements)

IMT.EVAL (Methodology)

ITU-RIMT-Advanced

802.16mLB SB

WRC ‘07

AWDSDDSRD

3GPP LTE-AdvStudy Item Work Item


IMT-Adv Submissions & Evaluations

▣ Submission Templates

▣ Evaluation Environments

Required Templates

Description Templates 1. Technical characteristics template

2. Link budget template

Compliance Templates 3. Services template

4. Spectrum template

5. Technical performance template (self evaluation)

Test Environment Key characteristics

Indoor high user throughput or user density in indoor coverage

Micro-cellular high traffic loads, outdoor and outdoor-to-indoor coverage

Base coverage urban continuous and ubiquitous coverage in urban areas

High speed continuous wide area coverage supporting high speed vehicles


• Strong Backward compatibility w/ WiMAX 1.0

• Efficient Legacy Turn-off Support

• 16m Common Architect (legacy mix & green-field)

• Exceeding IMT-Advanced Requirements

• OFDMA, Advanced MIMO, FDD & TDD

• 5MHz ~ 40MHz Channel BWs

• Support of New Features o Multi-carrier o Relayo Femto/SONo Coexistence w/ other RATs

Technical Highlights of 16m


Key Comparison between 16e and 16m

M-WiMAX Wave-2 M-WiMAX Evolution

Standards IEEE 802.16/16eWiMAX Forum Rel 1.0

IEEE 802.16mWiMAX Forum Rel 2.0

Spectrum• 470-862 MHz• 2300-2700 MHz • 3300-3800 MHz

• 450-470 MHz • 698-960 MHz • 1710-2025 MHz • 2110-2200 MHz

• 2300-2400 MHz • 2500-2690 MHz • 3400-3600 MHz

Access Technology OFDMA (DL, UL) OFDMA (DL, UL)

Duplexing TDD TDD/FDD/H-FDD

Bandwidth5/7/8.75/10MHz

(Scalable)5/7/8.75/10/20 / 40MHz

(Scalable)

Frame Duration 5ms5ms

(8 subframes @ 10MHz)

Backward Compatibility Yes (wave-1 wave-2) Yes (16e 16m)

Multiple-AntennaDL 2x2UL 1x2

DL 2x2, 2x4, 4x2, 4x4, 8x8UL 1x2, 1x4, 2x4, 4x4

Additional Features

• Single-User/Multi-User MIMO Integrated Structure• Multi-Carrier Support• Relay Support• Femto-Cell and Self-Organization Support• Enhanced Multicast / Broadcast Service Support• Coexistence with Other Radio Access Tech. Support• Multi-technology Mobile Support


Key Requirements of 16m (1/3)

Item RequirementsCarrier Frequency Licensed band under 6GHz

Operating Bandwidth 5MHz~40MHzOther bandwidth can be considered as necessary

Duplex Full-duplex FDD, Half-duplex FDD, TDD

Antenna TechniqueDL ≥ (2Tx, 2Rx)UL ≥ (1Tx, 2Rx)

Peak data rate (peak spectral efficiency)

User Plan Latency DL < 10ms, UL < 10ms

Control Plan latency Idle-to-Active State < 100ms

Handover Interruption TimeIntra-frequency < 27.5msInter-frequency (within a spectrum band) < 40msInter-frequency (between spectrum bands) < 60ms

Type Link Direction MIMO Normalized peak data rate

(bps/Hz)

BaselineDL 2x2 8.0

UL 1x2 2.8

TargetDL 4x4 15.0

UL 2x4 6.75



Item Requirements

BaselinePerfor-mance(DL 2x2,UL 1x2)

Throughput & VoIP capacity

MBS Spectral Efficiency

Inter-BS distance 0.5km > 4bps/HzInter-BS distance 1.5km > 2bps/Hz

Enhanced MBS Max MBS channel reselection interruption times: Intra-frequency < 1s, Inter-frequency < 1.5s

LBSPosition Accuracy

Handset-based: 50m (67% of cdf), 150m (95% of cdf)Network-based: 100m (67% of cdf), 300m (95% of cdf)

DL UL

Avg. sector throughput(bps/Hz/sector)

2.6 1.3

Avg. user throughput(bps/Hz)

0.26 0.13

Cell edge user throughput(bps/Hz)

0.09 0.05

VoIP capacity(active users/MHz/sector)

30 30



ItemRequirements

Indoor Microcellular Urban High Speed

TargetPerfor-mance(DL 4x2,UL 2x4)

Sector spectral efficieny

(bps/Hz/sector)

DL 3 2.6 2.2 1.1

UL 2.25 1.80 1.4 0.7

Cell edge user spectral efficiency (bps/Hz)

DL 0.1 0.075 0.06 0.04

UL 0.07 0.05 0.03 0.015

VoIP Capacity(Active user/sector/Mhz)

50 40 40 30

Traffic CH link data rate(Bps/Hz)

(Max Mobility support)1.0 0.75 0.55 0.25


Basic Frame Structure (FDD, TDD)

Superframe (20ms) : 4 framesFrame (5ms) : 8 sub-framesSubframe : 6, 7 or 5 symbols

Sub-frame for Lower latency

Super-frame for overhead reduction

Source: IEEE 802.16m-08/003r7 (SDD)


Backward Compatibility with 16e

[1] 16m MS to operate with 16e BS

[2] 16m BS and 16e BS on the same carrier

[3] 16m BS to support both 16e & 16m MS

[4] 16m BS to support 16e MS HO to and from 16e BS or 16m BS

[5] 16m BS to efficiently support 16e MS

16e BS

[1]

[2]

[3][4][5]

16m BS

16m MS16e MS

[4]


Legacy Support

DL: TDM by subframe, UL: FDM by 16e PUSC group

DL burst #2

DL burst #3

DL burst #1

FCH

DLSubframe

#0

DLSubframe

#2

k k+1 k+3 k+5 k+7 k+9

Pre

ambl

e

DL-

MA

P

DL

burs

t #0

(car

ryin

g U

L-M

AP

)

k+11 k+13 k+15 k+23 k+25 k+27k+17 k+19 k+21

DL Subframe

#1

ss+1s+2

subc

hann

el lo

gica

l num

ber

WirelessMAN ODFMA DL zone

k+29 k+32 k+35 k+38 k+41 k+44

ULSubframe

#0

ULSubframe

#2

ULSubframe

#1

Ran

ging

cha

nnel

,C

QI c

hann

el,

AC

K c

hann

el UL burst #0

UL burst #1

UL burst #2

Uplink

TTG RTG

WirelessMAN Frame (5ms)

DL burst #2

DL burst #3

DL burst #1

FCH

DLSubframe

#0Pre

ambl

e

DL-

MA

P

DL

burs

t #0

(car

ryin

g U

L-M

AP

)

k k+1 k+3 k+5 k+7 k+9 k+11 k+13 k+15

Advance Air Interface DL zone

OFDMA symbol number

Advanced Air Interface Frame (5ms)Frame offset

Example of DL TDM & UL FDM


Network Architecture Unchanged for 16m

Access Service Network

R8

R6

R1

R2 (logical interface)

Access Service Netw

orkG

ateway

R6

802.16eMS

BS

BS

R1’802.16m

MS

Other Access Service Networks

R4

ConnectivityServiceNetwork

ConnectivityServiceNetwork

R3 R5

Access Service Provider Network(Internet)

Access Service Provider Network(Internet)

Home Network Service Provider

Visited Network Service Provider

Layer 1 and Layer 2 to be specified by IEEE 802.16m



Multi-Carrier Support


Each carrier may have its

own Advanced Preamble

and superframe header (or

even part of it)


Unified MIMO Structure

A unified structure covers single-user, multiuser, open-loop and closed-loop MIMO transmissions.

Antenna configurations• (NT, NR) = (2, 2), (4, 2), (4, 4), (8, 2), (8, 4), (8,8)• 1 to 8 streams are supported



Multi-Hop Relay-Enabled Architecture

More Aggressive Radio Resource Reuse

Enhance Transmission Rate Coverage Extension

Source: IEEE 802.16m-07/002r8 (SRD)


Support of Femtocells & Self-Organization

▣ Femtocell offers greater deployment flexibility to operators

▣ Self configuration & Self optimization◈ Neighbor discovery

◈ Coverage optimization

◈ Interference management

◈ Load management

Macro Network

Operator Core Network

Internet

Femto-CellAccess

Macro-Cell Access

Operator Core Network

Femtocell : Low power BS to provide access to closed or open group of users


Coexistence with other RATs

DL ULDL DL DL UL

IEEE 802.16m : 5ms Frame

UL

Frame offset

DL symbol puncturing

LCR-TDD : 5ms Sub-frameLCR-TDD : 5ms Sub-frame

DL UL UL UL DL DL DL DL DL DL DL

UL UL UL

UL UL UL

Example AAdjacent Channel Coexistence with

UTRA LCR-TDD (TD-SCDMA)

Example BAdjacent Channel Coexistence with

E-UTRA (LTE-TDD)Source: IEEE 802.16m-08/003r7 (SDD)


Mobile WiMAX Rel 1.0 already includes key LTE/SAE technologies

• OFDMA• MIMO• Simple flat-IP access network architecture

Mobile WiMAX Rel 1.0 is available NOW

• Currently 468 networks deployed in 139 countries*

• Up to 3-year time-to-market advantage over LTE/SAE

Mobile WiMAX Rel 2.0 outperforms LTE & LTE-A

• Higher spectral efficiency than LTE/LTE-A (in Average and Peak)• Introducing Features such as Multi-carrier, Femto/SON, Relay,

Advanced interference mitigation, Coexistence with other RATs etc• Support of FDD & TDD• Exceeding IMT-Advanced requirements• Strong backward compatibility with mobile WiMAX Rel 1.0

* Source: WiMAX Forum® Industry Research Report – March, 2009

Executive Summary


Thank You

Wonil [email protected]

Chair, Technical Working Group, WiMAX Forum

mailto:[email protected]

Documents

Evolution of WiMAX Standards for IMT-Advancedkrnet.or.kr/board/data/dprogram/1354/F1-3.pdf · 2012-05-09 · Mobile WiMAX Roadmap Mobile WiMAX Release 1.0 Mobile WiMAX Release 1.5