Evolution of WiMAX Standards for IMT-Advanced of WiMAX Standards for IMT-Advanced KRnet 2009 2009....
Transcript of Evolution of WiMAX Standards for IMT-Advanced of WiMAX Standards for IMT-Advanced KRnet 2009 2009....
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
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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.2 KRnet 2009
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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.3 KRnet 2009
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)
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.4 KRnet 2009
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)
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.5 KRnet 2009
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
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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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.7 KRnet 2009
Evolution of Mobile WiMAX
: WiMAX Release 2.0
(IEEE 802.16m)
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.8 KRnet 2009
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
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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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.10 KRnet 2009
• 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
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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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.12 KRnet 2009
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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.13 KRnet 2009
Key Requirements of 16m (2/3)
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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.14 KRnet 2009
Key Requirements of 16m (3/3)
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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.15 KRnet 2009
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)
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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]
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.17 KRnet 2009
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
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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
Source: IEEE 802.16m-08/003r7 (SDD)
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Multi-Carrier Support
Source: IEEE 802.16m-08/003r7 (SDD)
Each carrier may have its
own Advanced Preamble
and superframe header (or
even part of it)
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.20 KRnet 2009
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
Source: IEEE 802.16m-08/003r7 (SDD)
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.21 KRnet 2009
Multi-Hop Relay-Enabled Architecture
More Aggressive Radio Resource Reuse
Enhance Transmission Rate Coverage Extension
Source: IEEE 802.16m-07/002r8 (SRD)
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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
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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)
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.24 KRnet 2009
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
All Contents Copyright ⓒ 2007 Samsung Electronics Co., Ltd.25 KRnet 2009
Thank You
Wonil [email protected]
Chair, Technical Working Group, WiMAX Forum