2009-09-24 IEEE 802.16m-09/0034r2
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11.4 Frame Structure ........................................................................................................................ 70
11.4.1 Basic Frame Structure...................................................................................................... 70
11.4.1.1 Frame Structure for CP=1/8 T
u
................................................................................... 70
11.4.1.2 Frame Structure for CP=1/16 T
u
................................................................................. 71
11.4.2 Frame Structure Supporting Legacy Frames.................................................................... 72
11.4.2.1 The Concept of Time Zones........................................................................................ 73
11.4.2.1.1 Time Zones in TDD.............................................................................................. 73
11.4.2.1.2 Time Zones in FDD .............................................................................................. 74
11.4.3 Relay Support in Frame Structure.................................................................................... 74
11.4.4 Coexistence Support in Frame Structure.......................................................................... 76
11.4.4.1 Adjacent Channel Coexistence with E-UTRA (LTE-TDD)........................................ 76
11.4.4.2 Adjacent Channel Coexistence with UTRA LCR-TDD (TD-SCDMA) ..................... 77
11.5 Downlink Physical Structure.....................................................................................................78
11.5.1 Physical and Logical Resource Unit ................................................................................ 78
11.5.1.1 Distributed Resource Unit........................................................................................... 78
11.5.1.2 Contiguous Resource Unit .......................................................................................... 78
11.5.2 Subchannelization and Resource Mapping ...................................................................... 78
11.5.2.1 Basic Symbol Structure............................................................................................... 78
11.5.2.2 Downlink Resource Unit Mapping ............................................................................. 79
11.5.2.3 Subchannelization for Downlink Distributed Resource Allocation ............................ 79
11.5.2.4 Subchannelization for Downlink Localized Resource ................................................ 80
11.5.3 Pilot Structure .................................................................................................................. 80
11.5.3.1 Pilot Patterns ............................................................................................................... 81
11.5.3.2 E-MBS Zone Specific Pilot for MBSFN..................................................................... 84
11.5.3.3 MIMO Midamble........................................................................................................ 84
11.6 Uplink Physical Structure.......................................................................................................... 84
11.6.1 Physical and Logical Resource Unit ................................................................................ 84
11.6.1.1 Distributed Resource unit............................................................................................ 85
11.6.1.2 Contiguous Resource unit ........................................................................................... 85
11.6.2 Subchannelization and Resource Mapping ...................................................................... 85
11.6.2.1 Basic Symbol Structure............................................................................................... 85
11.6.2.2 Uplink Subcarrier to Resource Unit Mapping............................................................. 85
11.6.2.3 Subchannelization for Uplink Distributed Resource Allocation ................................. 85
11.6.2.4 Subchannelization for Uplink Localized Resource ..................................................... 86
11.6.3 Pilot Structure .................................................................................................................. 86
11.6.4 WirelssMAN-OFDMA System Support.......................................................................... 87
11.6.4.1 Distributed Resource Unit for IEEE 802.16m PUSC.................................................. 87
11.6.4.2 Subchannelization for IEEE 802.16m PUSC.............................................................. 88
11.7 Downlink Control Structure ......................................................................................................88
11.7.1 Downlink Control Information Classification ................................................................. 88
11.7.1.1 Synchronization Information....................................................................................... 88
11.7.1.2 System Configuration Information.............................................................................. 88
11.7.1.3 Extended System Parameters and System Configuration Information........................ 89
11.7.1.4 Control and Signaling for DL Notifications................................................................ 89
11.7.1.5 Control and Signaling for Traffic................................................................................ 89
11.7.2 Transmission of Downlink Control Information.............................................................. 89
11.7.2.1 Advanced Preamble (A-PREAMBLE) ....................................................................... 89
11.7.2.1.1 Advanced Preamble Design Considerations ......................................................... 89
11.7.2.1.1.1 Overhead ....................................................................................................... 89
11.7.2.1.1.2 Synchronization............................................................................................. 90
11.7.2.1.1.3 Coverage ....................................................................................................... 90
11.7.2.1.1.4 Cell IDs ......................................................................................................... 90
11.7.2.1.1.5 MIMO Support and Channel Estimation....................................................... 90
11.7.2.1.1.6 Multi-carrier Multi-bandwidth Support......................................................... 90
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