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IEEE Project 802.16m as an IMT-

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					2008-09-25                          IEEE L802.16-08/057r2


             IEEE Project 802.16m as an
              IMT-Advanced Technology




             IEEE 802.16 Working Group on
               Broadband Wireless Access
                                             1
                  IEEE 802.16

• A Working Group:
  – The IEEE 802.16 Working Group on Broadband
    Wireless Access
  – Develops and maintain a set of standards
• The Working Group’s core standard
  – IEEE Std 802.16: Air Interface for Broadband
    Wireless Access Systems
    • The WirelessMAN® standard for Wireless
      Metropolitan Area Networks


                                               2
         IEEE 802.16 Working Group

• Developing IEEE Std 802.16 in stages since 1999
   – IP-based interface
   – MIMO OFDMA standardized since 2003
• Meets six times a year, around the globe
   – Session #57: September 2008 (Kobe, Japan)
   – ~420 participants
• Membership attained by sustained participation
   – Currently 456 Members

• Worldwide participation
   – Member addresses include Canada, China, Egypt,
     Finland, France, Germany, India, Israel, Italy, Japan,
     Korea, Netherlands, Russia, Singapore, Sweden, Taiwan,
     UK, USA                                           3
            IEEE 802.16 and ITU

• IEEE: Sector Member of ITU-R
  – “Regional and other International Organizations”
• fixed wireless access
  – Rec. ITU-R F.1763: IEEE 802.16 in the fixed service
• land mobile radio:
  – Rec. ITU-R M.1801: IEEE 802.16 in mobile service
• IMT-2000:
  – Rec. ITU-R M.1457 includes OFDMA TDD WMAN
     • Based on IEEE Std 802.16
     • Implementation profile developed by WiMAX Forum
                                                         4
              IEEE Project 802.16m
• Authorized standards development project since December
  2006

• Title: “Air Interface for Fixed and Mobile Broadband Wireless
  Access Systems – Advanced Air Interface”

• Scope: “This standard amends the IEEE 802.16
  WirelessMAN-OFDMA specification to provide an advanced
  air interface for operation in licensed bands. It meets the
  cellular layer requirements of IMT-Advanced next generation
  mobile networks. This amendment provides continuing
  support for legacy WirelessMAN-OFDMA equipment.”

                                                     5
IEEE Project 802.16m: Key Documents

•   P802.16m PAR and Five Criteria Statement
     – Project Authorization: Scope, Purpose, deadline, etc.
•   Project 802.16m Work Plan
     – timeline
•   Project 802.16m System Requirements Document (SRD)
     – high-level system requirements for 802.16m project (“Stage 1”)
•   Project 802.16m System Description Document (SDD)
     – system level description based on the SRD (“Stage 2”)
•   Project 802.16m Evaluation Methodology Document (EMD)
     – link-level and system-level simulation models and parameters
•   Draft P802.16m standard
     – “Stage 3”
     – Development beginning in November 2008
                                                                        6
                  Technical Highlights
•   Backward compatible with IMT-2000’s Newest Radio Interface
    (OFDMA TDD WMAN)
•   TDD and FDD (including half-duplex FDD terminals)
•   OFDMA (both downlink and uplink)
•   Advanced multi-element antenna technologies
     – DL: 2x2, 2x4, 4x2, 4x4, 8x8
     – UL: 1x2, 1x4, 2x4, 4x4
•   Connection-oriented MAC with full QoS management
•   Open interface to IP networks, including QoS for real-time services,
    etc.
•   Will meet IMT-Advanced requirements
•   Support for multiple bands and scalable bandwidths
•   Multicast and Broadcast Service (MBS) support
•   Location based services (LBS) support                       7
               New Features Beyond
                OFDMA TDD WMAN
• Unified Single-User/Multi-User MIMO Architecture
• Multi-Carrier Support
    – Support of wider bandwidths through aggregation of
      contiguous or non-contiguous channels
•   Multi-Hop Relay-Enabled Architecture
•   Support of Femto-Cells and Self-Organization
•   Enhanced Multicast and Broadcast Service
•   Coexistence with other radio technologies
•   Multi-technology radio support
    – For example, Wi-Fi and Bluetooth in handset
• Advanced interference mitigation
• Advanced LBS support                              8
System Reference Model
    (Layers 1 and 2)
                            CS SAP

                                        Management Entity
                                         Service Specific
          Radio                       Convergence Sub-Layer
        Resource      Convergence
         Control       Sub-Layer
           and
       Management
        Functions

                            MAC SAP
                                      Management Layer
                                        Common Part
          Medium Access                  Sub-Layer
         Control Functions


          Security Sub-Layer           Security Sub-Layer
                 PHY SAP


           Physical Layer             Management Entity
               (PHY)                   Physical Layer

               IEEE 802.16m            IEEE 802.16f/g NetMAN
             Data/Control Plane          Management Plane


MAC Common-Part Sub-Layer                                      9
   IEEE 802.16 Participation in IMT-
             Advanced
• Document 8F/1083 (3 January 2007):
  – “New IEEE Project to Develop a Standard to Meet the
    Cellular Layer Requirements of IMT-Advanced”
  – Notified ITU-R that 802.16m project is intended for
    future contributions on IMT-Advanced.
• Discussed IEEE 802.16m Project during IMT-
  Advanced Workshop in Kyoto (May 2007)
• IEEE 802.16 Working Group has participated in
  the development of many IEEE contributions to
  ITU-R on IMT-Advanced topics.
                                               10
                              802.16m Project Development
                                       Schedule
                                          2007                                         2008                                              2009                                      2010
                                   Q2        Q3           Q4              Q1          Q2    Q3              Q4         Q1           Q2          Q3        Q4          Q1          Q2         Q3          Q4
                                                                                                                                                                                                             D
                  IEEE 802.16   Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct NovDec Jan Feb Mar Apr May Jun Jul AugSep Oct Nov Dec Jan Feb Mar Apr May Jun Jul AugSep Oct Nov e
                                                                                                                                                                                                             c


                                               Sep ’07*
                   System
                 Requirements


                                                               Jan’08*
                  Evaluation
                 Methodology
                                                                                                                         First Call for Proposals                          IEEE 802.16m
IEEE 802.16m




                                                                                                                          for 802.16m Stage 3                         standardization complete
                   System                              Nov ’07                                        Nov 08*               issued in Sept ’08
                  Description


                    IMT-                                                                                            Jan ’09                           Oct ’09*
                  Advanced
                  Proposal                                                                              Step 1 Step 2 Step 3: Complete Proposal Refinements
                                            First Call for
                                         Proposals for SDD
                                         issued in Sept ‘07
                  802.16m                                                                                Nov ’08        Mar ’09                 Sep ’09                    Mar ’10
                 Amendment                                                                                       Working Doc      Letter Ballot        Sponsor Ballot

                                                                                                                                                        ITU based Updates


                                                                                                                  Jan’09                             Oct ’09
                                                                                                                          Proposal Submission
                   ITU-R
               IMT Advanced                                                                                                                                                       Jun ’10
                                                                                                                               Proposal Evaluation & Consensus Building
                                                                                                                                                                      Develop Recommendation
                                                                                                                                                                                                              D
                 ITU-R WP5D     Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul AugSep Oct Nov Dec Jan Feb Mar Apr May Jun Jul AugSep Oct Nov e
                                                                                                                                                                                                              c

                                                                                                                                                                           11
     IMT-Advanced Requirements

• 802.16m is
                    Test            Intended IMT-
  intended as a     Environment     Advanced
  single RIT to                     Proposal
  meet or exceed    Indoor          
  the IMT-          Microcellular   
  Advanced          Base Coverage   
  requirements in   Urban
  multiple test     High Speed      Under consideration
  environments.


                                              12
          Inter-system Handover using
                   IEEE 802.21
                  Applications
              (e.g., VoIP, Video, etc.)                             • Supporting
         Connection
         Management
                                Handover
                                 Policy
                                                                      802.16/802.11 handover
              Handover Management                                   • Open interface for
                                                                      handover to/from other




                                                    IETF
       Mobility Management Protocols
                                                                      technologies including
                    802.21 Function                                   IMT-Advanced RITs
        Smart         Handover        Information                   • Could facilitate formation
                                                      IEEE 802.21
       Triggers       Messages          Service
                                                                      of SRIT
L2 Triggers       Handover       Information
and Events        Messages         Service



     802.16m/802.11/IMT-2000/other
         Protocol and Device Hardware

                                                                                      13
Enabling IMT-Advanced Service
        Requirements
                                                  802.16m
 User Experience Class    Service Class
                                                  Support

                         Basic conversational
                                service
                                                  Enabled

   Conversational        Rich conversational
                                                  Enabled
                               service

                            Conversational
                              low delay
                                                  Enabled

                            Streaming Live        Enabled
     Streaming
                         Streaming Non-Live       Enabled

                         Interactive high delay   Enabled
     Interactive
                         Interactive low delay    Enabled

    Background               Background           Enabled
                                                      14
                       References

1.   IEEE 802.16 Web Site
        <http://WirelessMAN.org/>
2.   IEEE 802.16m Web Page
        <http://WirelessMAN.org/tgm>
3.   IEEE 802.16 Published Standards and Drafts
       <http://ieee802.org/16/published.html>
4.   IMT-Advanced Submission and Evaluation Process
       <http://www.itu.int/ITU-R/go/rsg5-imt-advanced>



                                                   15
Backup




         16
     IEEE Project 802.16m Protocol Stack
                                        Control Plane                                                     Data Plane                   CS SAP

            Radio Resource                                            Network Entry
             Management                                               Management
                                                                                                          Classification
            Relay Functions                                      Multi-Carrier Support
                                                                                                      Header Compression
         Mobility Management           Radio Resource           Idle Mode Management
                                         Control &
                                        Management                                              Convergence Sub-Layer
         Location Management             Functions                        MBS

           Self-Organization                                     Security Management

          System Configuration
                                                                Connection Management                                             Data and Control
              Management
                                                                                                                                      Bearers

L2               QoS                  Multi-Radio Coexistence      Sleep Mode Management

                                                                     Scheduling & Resource
         Control and Signaling
                                                                          Multiplexing                              ARQ


                                                                                                          Fragmentation/Packing

                                   PHY Control        Interference
             Ranging             Link Adaptation      Management                                           MAC PDU Formation

                                                 Medium Access Control Functions

                                                          Security Sub-Layer

                                                                                                                                  Physical Channels
                                    PHY Protocol (FEC Coding, Signal Mapping, Modulation, MIMO processing, etc.)
L1
                                                            Physical Layer
                                                                                                               17            17
                                                                                 MAC Common Part Sub-Layer
     Unified Single-User/Multi-User
           MIMO Architecture

• Advanced multi-antenna processing
  techniques
  – open-loop and closed-loop
  – single-user/multi-user MIMO schemes
  – single and multiple spatial streams
• Multiple transmit diversity techniques
• Transmit beam-forming with rank/mode
  adaptation capability
• Multi-cell MIMO techniques supported

                                           18
     Multi-Hop Relay-Enabled Architecture




                                                                                   Coverage extension by deploying
                                                                                         Relay Station (RS)
      Relays can enhance
     transmission rate for
Subscriber Station (SS) located
in shaded area or cell boundary




                                                                                                  19
                        More aggressive radio resource reuse by deploying Relay Station (RS)
             Support of Femto-Cells and
                 Self-Organization
•   Femto-cell support to offer service
    providers greater deployment                                                      Femto-Cell
                                                                                      Access
    flexibility                              Macro-Cell Access
•   Self-configuration support to enable
    plug and play installation; i.e. self-
    adaptation of initial configuration,
                                                                                    Internet
    including neighbor update as well             Macro Network

    as means for fast reconfiguration
    and compensation in failure cases.
•   Self-optimization support to enable
    automated or autonomous
    optimization of network                                       Operator Core Network
                                                                  Operator Core Network
    performance with respect to service
    availability, QoS, network efficiency,
    and throughput.

                                                                               20
          Coexistence with other radio
        technologies by synchronization




Example A
Adjacent Channel Coexistence with
UTRA LCR-TDD (TD-SCDMA)




                                    Example B
                                    Adjacent Channel Coexistence with
                                    E-UTRA (LTE-TDD)      21
Multi-Technology Radio Support

                                     IEEE
                                  802.16m BS


                                           Air Interface


                                Multi-Radio Device
 IEEE                 IEEE           IEEE        IEEE
                     802.15.1       802.16m     802.11     IEEE 802.11
802.15.1                                                      AP
 device               device          MS          STA


                           inter-radio interface



               Multi-Radio Device with Co-Located
     IEEE 802.16m MS, IEEE 802.11, and IEEE 802.15.1 device



                                                                22

				
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