Contents
Intellectual Property Rights ..............................................................................................................................39
Foreword..........................................................................................................................................................39
Introduction .....................................................................................................................................................40
1 Scope .....................................................................................................................................................41
2 References .............................................................................................................................................42
3 Definitions and abbreviations.................................................................................................................44
3.1 Definitions.......................................................................................................................................................44
3.2 Abbreviations ..................................................................................................................................................50
4 Radio aspects.........................................................................................................................................55
4.1 Introduction .....................................................................................................................................................55
4.2 Set of logical channels.....................................................................................................................................55
4.3 Reference configuration ..................................................................................................................................55
4.4 Error control schemes......................................................................................................................................56
4.5 Multiple access and time slot structure.............................................................................................................56
4.5.1 General.......................................................................................................................................................56
4.5.2 Hyperframes, multiframes and frames........................................................................................................57
4.5.3 Time slots and bursts .................................................................................................................................57
4.5.4 Mapping of logical channels onto physical channels..................................................................................58
4.6 Coding, interleaving and scrambling................................................................................................................58
4.7 Modulation ......................................................................................................................................................58
4.8 Transmission and reception.............................................................................................................................58
4.9 Other radio-related functions...........................................................................................................................58
4.10 Performance ....................................................................................................................................................59
4.11 TETRA modes of operation .............................................................................................................................59
4.11.1 Transmission modes ..................................................................................................................................59
4.11.1.1 D-CT mode ..........................................................................................................................................59
4.11.1.2 D-CTT mode ........................................................................................................................................59
4.11.1.3 D-MCCTT mode..................................................................................................................................60
4.11.1.4 U-MST mode .......................................................................................................................................60
4.11.2 Control modes............................................................................................................................................60
4.11.2.1 Normal Control Mode ...........................................................................................................................60
4.11.2.2 Minimum Control Mode .......................................................................................................................60
5 Modulation ............................................................................................................................................61
5.1 Introduction .....................................................................................................................................................61
5.2 Modulation type ..............................................................................................................................................61
5.3 Modulation rate ...............................................................................................................................