ISO/IEC 16504:2011

INTERNATIONAL ISO/IEC
STANDARD 16504
First edition
2011-11-15
Information technology —
Telecommunications and information
exchange between systems — MAC and
PHY for operation in TV white space
Technologies de l'information — Télécommunications et échange
d'information entre systèmes — MAC et PHY pour opération en espace
blanc TV
Reference number
©
ISO/IEC 2011
©  ISO/IEC 2011
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Published in Switzerland
ii © ISO/IEC 2011 – All rights reserved

Contents Page
Foreword . vii
Introduction . viii
1  Scope . 1
2  Conformance . 1
3  Normative references . 1
4  Terms and definitions . 1
5  Abbreviations and Acronyms . 4
6  General description . 7
6.1  Network components . 7
6.2  Network formation . 7
6.3  Protocol architecture . 8
6.4  Addressing . 9
6.5  PHY features . 9
6.6  Overview of MAC service functionality . 10
6.6.1  Logical groups . 11
6.6.2  Control algorithms . 11
6.6.3  Channel selection . 11
6.6.4  The superframe . 11
6.6.5  Beaconing . 12
6.6.6  Medium access . 13
6.6.7  Data communication between devices . 13
6.6.8  MAC frame data rates . 13
6.6.9  Security . 13
6.6.10  Information discovery . 14
6.6.11  Support for higher-layer timer synchronization . 14
6.6.12  Protection of incumbent users . 14
6.6.13  Self-coexistence . 14
6.6.14  Rate adaptation . 15
6.6.15  Power management . 15
7  MAC common part sublayer . 15
7.1  MAC Frame Format . 15
7.1.1  Frame format conventions . 16
7.1.2  General MAC frame format . 16
7.1.3  Beacon frames . 22
7.1.4  Control frames . 24
7.1.5  Command frames . 27
7.1.6  Data frames . 35
7.1.7  Aggregated data frames . 35
7.1.8  Information elements . 35
7.2  Frame processing . 63
7.2.1  Frame addresses . 63
7.2.2  Frame reception . 64
7.2.3  Frame transaction . 64
7.2.4  Frame transfer . 65
7.2.5  Frame retry . 65
7.2.6  Inter-frame space (IFS) . 65
7.2.7  Duplicate detection . 66
7.2.8  RTS/CTS use . 66
© ISO/IEC 2011 – All rights reserved iii

7.2.9  MAC header fields.67
7.2.10  Information elements .69
7.3  MAC Structure and Beaconing .73
7.3.1  Beacon Period .74
7.3.2  Beacon slot state .74
7.3.3  BP length .74
7.3.4  Beacon transmission and reception .75
7.3.5  Beacon collision detection .76
7.3.6  BP contraction .76
7.3.7  Merger of multiple beacon groups .77
7.3.8  Signalling window.79
7.4  Device Synchronization .80
7.4.1  Clock accuracy .80
7.4.2  Synchronization for devices in hibernation mode .80
7.4.3  Guard times .80
7.5  Data Transfer Period .82
7.5.1  Prioritized Contention Access (PCA).83
7.5.2  Channel Reservation Access (CRA) .89
7.6  Fragmentation and Aggregation .96
7.6.1  Fragmentation and reassembly .96
7.6.2  Aggregation .97
7.7  ARQ, Multirate Support and Power Control .98
7.7.1  ARQ Policies .98
7.7.2  Multi-rate Support . 100
7.7.3  Transmit Power Control . 100
7.8  Dynamic Channel Selection . 100
7.9  Power Management Mechanisms . 101
7.9.1  Power management modes . 101
7.9.2  Device power states . 101
7.9.3  Power state transitions . 101
7.9.4  Hibernation mode operation . 103
7.9.5  Hibernation anchor operation . 103
7.10  Probe . 104
7.11  Protection of incumbents . 104
7.11.1  Channel Measurement . 104
7.11.2  Channel Classification . 107
7.11.3  Channel Evacuation . 108
7.12  Self-coexistence . 109
7.12.1  Self-coexistence scenarios . 109
7.12.2  Distributed self-coexistence mechanisms . 109
7.12.3  Centralized self-coexistence mechanisms . 110
7.13  Network Entry and Initialization .
...