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 Radio Resource Control and Management Functions Convergence Sub-Layer Management Entity Service Specific Convergence Sub-Layer MAC SAP Medium Access Control Functions Management Layer Common Part Sub-Layer Security Sub-Layer Security Sub-Layer PHY SAP Physical Layer (PHY) Management Entity Physical Layer IEEE 802.16m Data/Control Plane IEEE 802.16f/g NetMAN 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
IEEE 802.16 802.16m Project Development Schedule 2007 2008 2009 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 2010 Q1 Q2 Q3 Q4 Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr MayJun Jul AugSep Oct NovDec Jan Feb Mar Apr May Jun Jul AugSep Oct Nov Dec Jan Feb Mar Apr May Jun Jul AugSep Oct Nov D e c System Requirements Sep 07* Evaluation Methodology Jan 08* IEEE 802.16m System Description IMT- Advanced Proposal 802.16m Amendment Nov 07 First Call for Proposals for SDD issued in Sept 07 Nov 08* Step 1 Nov 08 Jan 09 Step 2 Working Doc First Call for Proposals for 802.16m Stage 3 issued in Sept 08 Mar 09 Letter Ballot Sep 09 Oct 09* Step 3: Complete Proposal Refinements Sponsor Ballot IEEE 802.16m standardization complete Mar 10 ITU based Updates ITU-R IMT Advanced ITU-R WP5D Jan 09 Oct 09 Proposal Submission Jun 10 Proposal Evaluation & Consensus Building Develop Recommendation Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul AugSep Oct NovDec Jan Feb Mar Apr May Jun Jul AugSep Oct Nov Dec Jan Feb Mar Apr May Jun Jul AugSep Oct Nov D e c 11
IMT-Advanced Requirements 802.16m is intended as a single RIT to meet or exceed the IMT- Advanced requirements in multiple test environments. Test Environment Indoor Microcellular Base Coverage Urban High Speed Intended IMT- Advanced Proposal Under consideration 12
Inter-system Handover using IEEE 802.21 L2 Triggers and Events Applications (e.g., VoIP, Video, etc.) Connection Management Mobility Management Protocols Smart Triggers Handover Management 802.21 Function Handover Messages Handover Messages Handover Policy Information Service Information Service IETF IEEE 802.21 Supporting 802.16/802.11 handover Open interface for handover to/from other technologies including IMT-Advanced RITs Could facilitate formation of SRIT 802.16m/802.11/IMT-2000/other Protocol and Device Hardware 13
Enabling IMT-Advanced Service Requirements User Experience Class Conversational Streaming Interactive Service Class Basic conversational service Rich conversational service Conversational low delay Streaming Live Streaming Non-Live Interactive high delay Interactive low delay 802.16m Support Enabled Enabled Enabled Enabled Enabled Enabled 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 Management Relay Functions Mobility Management Location Management Radio Resource Control & Management Functions Network Entry Management Multi-Carrier Support Idle Mode Management MBS Classification Header Compression Convergence Sub-Layer Self-Organization Security Management System Configuration Management Connection Management Data and Control Bearers L2 QoS Multi-Radio Coexistence Sleep Mode Management Control and Signaling Scheduling & Resource Multiplexing ARQ Fragmentation/Packing Ranging PHY Control Link Adaptation Interference Management MAC PDU Formation Medium Access Control Functions Security Sub-Layer Physical Channels L1 PHY Protocol (FEC Coding, Signal Mapping, Modulation, MIMO processing, etc.) Physical Layer 17 MAC Common Part Sub-Layer 17
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 Relays can enhance transmission rate for Subscriber Station (SS) located in shaded area or cell boundary Coverage extension by deploying Relay Station (RS) 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 flexibility Self-configuration support to enable plug and play installation; i.e. selfadaptation of initial configuration, including neighbor update as well as means for fast reconfiguration and compensation in failure cases. Self-optimization support to enable automated or autonomous optimization of network performance with respect to service availability, QoS, network efficiency, and throughput. Macro-Cell Access Macro Network Internet Operator Core Network Operator Core Network Femto-Cell Access 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 IEEE 802.15.1 device IEEE 802.15.1 device Multi-Radio Device IEEE 802.16m MS IEEE 802.11 STA IEEE 802.11 AP inter-radio interface Multi-Radio Device with Co-Located IEEE 802.16m MS, IEEE 802.11, and IEEE 802.15.1 device 22