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6.9 Ranging.................................................................................................................................... 117
6.9.1 Ranging requirements ................................................................................................ 117
6.9.2 Set-up activities before a ranging exchange .............................................................. 118
6.9.3 Finish-up activities after a ranging exchange ............................................................ 118
6.9.4 Managing DPS........................................................................................................... 118
6.9.5 The ranging exchange................................................................................................ 120
6.10 PHY parameter change notification procedure........................................................................ 120
6.10.1 Signaling using Beacon frames.................................................................................. 120
6.10.2 Signaling using multipurpose frames ........................................................................ 121
6.11 Deterministic and synchronous multichannel extension (DSME)........................................... 122
6.11.1 DSME command requirements.................................................................................. 122
6.11.2 DSME multi-superframe structure............................................................................. 122
6.11.3 Channel diversity ....................................................................................................... 124
6.11.4 CAP reduction............................................................................................................ 126
6.11.5 DSME GTS allocation and management................................................................... 127
6.11.6 Beacon scheduling ..................................................................................................... 133
6.11.7 Time synchronization ................................................................................................ 134
6.11.8 Deferred beacon......................................................................................................... 135
6.11.9 Passive channel scan.................................................................................................. 135
6.12 LE transmission, reception, and acknowledgment .................................................................. 136
6.12.1 LE transmission, reception, and acknowledgment with positive handshakes ........... 136
6.12.2 Coordinated sampled listening (CSL)........................................................................ 136
6.12.3 RIT ............................................................................................................................. 140
6.12.4 Implicit RIT (I-RIT)................................................................................................... 143
6.13 Starting and maintaining TMCTPs .......................................................................................... 143
6.14 MPM procedure for inter-PHY coexistence ............................................................................ 147
6.15 TVWS access procedures ........................................................................................................ 149
6.15.1 General....................................................................................................................... 149
6.15.2 Channel timing management (CTM)......................................................................... 150
6.16 Spectrum Resource Measurement (SRM) ............................................................................... 151
6.16.1 General....................................................................................................................... 151
6.16.2 SRM Performance Metrics ........................................................................................ 151
6.16.3 SRM functionality...................................................................................................... 157
6.17 Using Link Margin IE.............................................................................................................. 160
7. MAC frame formats......................................................................................................................... 161
7.1 Device extended address.......................................................................................................... 161
7.2 General MAC frame format.....................................................................................................161
7.2.1 General....................................................................................................................... 161
7.2.2 Frame Control field.................................................................................................... 162
7.2.3 Sequence Number field.............................................................................................. 165
7.2.4 Destination PAN ID field .......................................................................................... 166
7.2.5 Destination Address field........................................................................................... 166
7.2.6 Source PAN ID field.................................................................................................. 166
7.2.7 Source Address field.................................................................................................. 166
7.2.8 Auxiliary Security Header field................................................................................. 166
7.2.9 IE field ....................................................................................................................... 166
7.2.10 Frame Payload field ................................................................................................... 167
7.2.11 FCS field .................................................................................................................... 167
7.3 Format of individual frame types.............................................................................................169
7.3.1 Beacon frame format ................................................................................................. 169
7.3.2 Data frame format...................................................................................................... 173
7.3.3 Ack frame format....................................................................................................... 174
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