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ETSI EN 300 392-2 V2.4.2 (2004-02)

European Standard (Telecommunications series)

errestrial Trunked Radio (TETRA);

Voice plus Data (V+D);

Part 2: Air Interface (AI)

ETSI

TSI EN 300 392-2 V2.4.2 (2004

Contents

Intellectual Property Rights..............................................................................................................................29

Foreword...........................................................................................................................................................29

1 Scope......................................................................................................................................................31

2 References..............................................................................................................................................32

3 Definitions and abbreviations.................................................................................................................34

3.1 Definitions........................................................................................................................................................34

3.2 Abbreviations ...................................................................................................................................................39

4 Radio aspects..........................................................................................................................................42

4.1 Introduction......................................................................................................................................................42

4.2 Set of logical channels......................................................................................................................................42

4.3 Reference configuration ...................................................................................................................................42

4.4 Error control schemes.......................................................................................................................................43

4.5 Multiple access and time slot structure.............................................................................................................43

4.5.1 Hyperframes, multiframes and frames........................................................................................................44

4.5.2 Time slots and bursts ..................................................................................................................................44

4.5.3 Mapping of logical channels onto physical channels..................................................................................45

4.6 Coding, interleaving and scrambling................................................................................................................45

4.7 Modulation.......................................................................................................................................................45

4.8 Transmission and reception..............................................................................................................................45

4.9 Other radio-related functions............................................................................................................................45

4.10 Performance .....................................................................................................................................................46

4.11 TETRA modes of operation .............................................................................................................................46

4.11.1 Transmission modes ...................................................................................................................................46

4.11.1.1 D-CT mode ...........................................................................................................................................46

4.11.1.2 D-CTT mode.........................................................................................................................................46

4.11.1.3 D-MCCTT mode...................................................................................................................................46

4.11.1.4 U-MST mode ........................................................................................................................................46

4.11.2 Control modes.............................................................................................................................................47

4.11.2.1 NCM .....................................................................................................................................................47

4.11.2.2 MC mode ..............................................................................................................................................47

5 Modulation.............................................................................................................................................47

5.1 Introduction......................................................................................................................................................47

5.2 Modulation type ...............................................................................................................................................47

5.3 Modulation rate ................................................................................................................................................47

5.4 Modulation symbol definition..........................................................................................................................47

5.5 Modulated signal definition..............................................................................................................................48

5.6 Modulation filter definition..............................................................................................................................49

5.7 Modulation block diagram ...............................................................................................................................49

6 Radio transmission and reception...........................................................................................................49

6.1 Introduction......................................................................................................................................................49

6.2 Frequency bands and channel arrangement......................................................................................................49

6.3 Reference test planes........................................................................................................................................50

6.4 Transmitter characteristics................................................................................................................................50

6.4.1 Output power ..............................................................................................................................................50

6.4.1.1 Base Station (BS)..................................................................................................................................51

6.4.1.2 Mobile Station (MS) .............................................................................................................................51

6.4.2 Unwanted conducted emissions..................................................................................................................51

6.4.2.1 Definitions.............................................................................................................................................51

6.4.2.2 Unwanted emissions close to the carrier...............................................................................................52

6.4.2.2.1 Emission during the useful part of the burst....................................................................................52

6.4.2.2.2 Emission during the switching transients ........................................................................................53

6.4.2.3 Unwanted emissions far from the carrier ..............................................................................................53

6.4.2.4 Unwanted emissions during the CLCH and BLCH ..............................................................................54

ETSI

TSI EN 300 392-2 V2.4.2 (2004

6.4.2.5 Unwanted emissions in the non-transmit state......................................................................................54

6.4.3 Unwanted radiated emissions .....................................................................................................................54

6.4.4 RF tolerance................................................................................................................................................54

6.4.5 RF Output power time mask.......................................................................................................................54

6.4.5.1 BS..........................................................................................................................................................55

6.4.5.2 MS.........................................................................................................................................................55

6.4.6 Transmitter intermodulation attenuation.....................................................................................................55

6.4.6.1 Definition ..............................................................................................................................................55

6.4.6.2 BS..........................................................................................................................................................56

6.4.6.3 MS.........................................................................................................................................................56

6.4.7 Intra-BS intermodulation requirements ......................................................................................................56

6.5 Receiver characteristics....................................................................................................................................56

6.5.1 Blocking characteristics..............................................................................................................................56

6.5.1.1 Definition ..............................................................................................................................................56

6.5.1.2 Specification..........................................................................................................................................57

6.5.2 Spurious response rejection ........................................................................................................................57

6.5.2.1 Definition ..............................................................................................................................................57

6.5.2.2 Specification..........................................................................................................................................57

6.5.3 Intermodulation response rejection.............................................................................................................58

6.5.3.1 Definition ..............................................................................................................................................58

6.5.3.2 Specification..........................................................................................................................................58

6.5.4 Unwanted conducted emissions..................................................................................................................58

6.5.4.1 Definition ..............................................................................................................................................58

6.5.4.2 Specification..........................................................................................................................................58

6.5.5 Unwanted radiated emissions .....................................................................................................................58

6.6 Transmitter/receiver performance ....................................................................................................................58

6.6.1 Modulation accuracy...................................................................................................................................59

6.6.1.1 Ideal case...............................................................................................................................................59

6.6.1.2 Vector error magnitude requirement at symbol time ............................................................................59

6.6.2 Receiver performance.................................................................................................................................60

6.6.2.1 Nominal error rates ...............................................................................................................................60

6.6.2.2 Dynamic reference sensitivity performance..........................................................................................61

6.6.2.2.1 BS receiver performance .................................................................................................................61

6.6.2.2.2 MS receiver performance ................................................................................................................61

6.6.2.3 Receiver performance at reference interference ratios..........................................................................62

6.6.2.3.1 BS receiver performance .................................................................................................................62

6.6.2.3.2 MS receiver performance ................................................................................................................63

6.6.2.4 Static reference sensitivity performance ...............................................................................................63

6.6.2.4.1 BS receiver performance .................................................................................................................63

6.6.2.4.2 MS receiver performance ................................................................................................................64

6.6.2.5 MS receiver performance for synchronization burst acquisition...........................................................64

6.6.3 Propagation conditions ...............................................................................................................................64

6.6.3.1 Propagation conditions - introduction...................................................................................................64

6.6.3.2 Tap-gain process types..........................................................................................................................65

6.6.3.3 Propagation models...............................................................................................................................65

7 Radio sub-system synchronization.........................................................................................................66

7.1 Introduction......................................................................................................................................................66

7.2 General description of synchronization system................................................................................................66

7.3 Timebase counters............................................................................................................................................67

7.3.1 Timing counters..........................................................................................................................................67

7.3.2 Values of the counters.................................................................................................................................67

7.4 Timing of transmitted signals...........................................................................................................................67

7.5 BS requirements for synchronization...............................................................................................................68

7.6 MS requirements for synchronization ..............................................................................................................68

8 Channel coding and scrambling.............................................................................................................68

8.1 Introduction......................................................................................................................................................68

8.2 General.............................................................................................................................................................69

8.2.1 Interfaces in the error control structure.......................................................................................................69

8.2.2 Notation ......................................................................................................................................................70

8.2.3 Definition of error control codes.................................................................................................................70

ETSI

TSI EN 300 392-2 V2.4.2 (2004

8.2.3.1 16-state Rate-Compatible Punctured Convolutional (RCPC) codes.....................................................70

8.2.3.1.1 Encoding by the 16-state mother code of rate ¼ .............................................................................70

8.2.3.1.2 Puncturing of the mother code.........................................................................................................71

8.2.3.1.3 Puncturing scheme of the RCPC code of rate 2/3............................................................................71

8.2.3.1.4 Puncturing scheme of the RCPC code of rate 1/3............................................................................71

8.2.3.1.5 Puncturing scheme of the RCPC code of rate 292/432....................................................................71

8.2.3.1.6 Puncturing scheme of the RCPC code of rate 148/432....................................................................71

8.2.3.2 Shortened (30,14) Reed-Muller (RM) code..........................................................................................72

8.2.3.3 (K

+ 16, K

) block code......................................................................................................................72

8.2.4 Definition of interleaving schemes.............................................................................................................73

8.2.4.1 Block interleaving.................................................................................................................................73

8.2.4.2 Interleaving over N blocks ....................................................................................................................73

8.2.5 Definition of scrambling.............................................................................................................................73

8.2.5.1 Scrambling method ...............................................................................................................................73

8.2.5.2 Scrambling sequence.............................................................................................................................73

8.3 Error control schemes.......................................................................................................................................74

8.3.1 Access Assignment Channel (AACH)........................................................................................................75

8.3.2 Broadcast Synchronization Channel (BSCH).............................................................................................75

8.3.3 Traffic channels in circuit switched mode..................................................................................................76

8.3.3.1 Traffic CHannel, net rate = 4,8 kbit/s (TCH/4,8)..................................................................................76

8.3.3.2 Traffic CHannel, net rate = 2,4 kbit/s (TCH/2,4)..................................................................................77

8.3.3.3 Traffic CHannel, net rate = 7,2 kbit/s (TCH/7,2)..................................................................................77

8.3.3.4 Speech Traffic Channel, full slot (TCH/S)............................................................................................78

8.3.3.5 Speech Traffic Channel, half slot (TCH/S)...........................................................................................78

8.3.4 Signalling channels for signalling and packet mode data ...........................................................................78

8.3.4.1 Signalling CHannel for mapping onto Half-bursts on the Downlink (SCH/HD), Broadcast

Network CHannel (BNCH), and STealing CHannel (STCH)...............................................................78

8.3.4.2 Signalling CHannel for mapping onto Half-bursts on the Uplink (SCH/HU).......................................79

8.3.4.3 Signalling CHannel for mapping onto Full bursts (SCH/F)..................................................................79

9 Channel multiplexing for V+D...............................................................................................................80

9.1 Introduction......................................................................................................................................................80

9.2 Logical channels...............................................................................................................................................80

9.2.1 Logical channels hierarchy .........................................................................................................................80

9.2.2 Traffic channels ..........................................................................................................................................80

9.2.3 Control CHannels (CCH)............................................................................................................................80

9.2.3.1 General..................................................................................................................................................80

9.2.3.2 BCCH....................................................................................................................................................81

9.2.3.3 LCH.......................................................................................................................................................81

9.2.3.4 SCH.......................................................................................................................................................81

9.2.3.5 AACH ...................................................................................................................................................81

9.2.3.6 STCH ....................................................................................................................................................81

9.3 The physical resource.......................................................................................................................................82

9.3.1 General........................................................................................................................................................82

9.3.2 RF channels ................................................................................................................................................82

9.3.3 Timeslots ....................................................................................................................................................83

9.3.4 TDMA frame ..............................................................................................................................................83

9.3.5 Timeslot numbering....................................................................................................................................83

9.3.6 Subslot ........................................................................................................................................................83

9.3.7 Multiframe..................................................................................................................................................83

9.3.8 Hyperframe.................................................................................................................................................83

9.3.9 Frame alignment.........................................................................................................................................83

9.4 Physical channels .............................................................................................................................................83

9.4.1 General........................................................................................................................................................83

9.4.2 Types of physical channels.........................................................................................................................84

9.4.2.1 CP channel ............................................................................................................................................84

9.4.2.2 TP channel.............................................................................................................................................84

9.4.2.3 UP channel............................................................................................................................................84

9.4.3 Bursts..........................................................................................................................................................84

9.4.3.1 General..................................................................................................................................................84

9.4.3.2 Modulation symbol numbering.............................................................................................................84

9.4.3.3 Modulation bit numbering.....................................................................................................................85

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