TS 101 377-5-7 : 1.1.1
Current
The latest, up-to-date edition.
GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 5: RADIO INTERFACE PHYSICAL LAYER SPECIFICATIONS; SUB-PART 7: RADIO SUBSYSTEM SYNCHRONIZATION; GMR-2 05.010
Hardcopy , PDF
English
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Foreword
Introduction
1 Scope
2 References
3 Definitions and Abbreviations
3.1 Definitions
3.2 Abbreviations
4 General Description of Synchronization System
4.1 Overview
4.2 System Time Definition
4.3 System Channel
4.4 System Operations
5 Timebase Counters
5.1 Timing state
5.2 Counter relationship
6 Timing of Transmitted Signals
7 NCC/Gateway/Satellite Synchronization
7.1 Gateway frequency accuracy
7.2 Gateway synchronization
7.3 Channel Offset, Forward Stagger Group and
assignment messages
7.4 Delay advance
7.5 Fine Timing Advance (FTA)
7.6 Delta Timing Advance (DTA) and gateway encoding
7.7 Timeslot lengths
8 MES Synchronization
8.1 Frequency source and accuracy
8.2 Adjustment of MES timebase
8.3 Timing assessment error
8.4 MES to Gateway transmission timing
8.5 MES implementation of new DTA value
8.6 FTA values to be used by MES
8.7 Temporary loss of signal
8.8 Intra-beam channel changes
8.9 Receipt of a new FTA value
8.10 Ready to transmit
History
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