ETSI TR 102 398 V1.4.1 (2018-11)

Electromagnetic compatibility and Radio spectrum Matters (ERM); Digital Mobile Radio (DMR) General System Design

RTR/ERM-TGDMR-322

General Information

• Status: Published
• Publication Date: 22-Nov-2018
• Technical Committee: ERM TGDMR - Digital Mobile Radio
• Current Stage: 12 - Completion
• Due Date: 05-Dec-2018
• Completion Date: 23-Nov-2018

Standards Content (Sample)

ETSI TR 102 398 V1.4.1 (2018-11)






TECHNICAL REPORT
Electromagnetic compatibility
and Radio spectrum Matters (ERM);
Digital Mobile Radio (DMR)
General System Design

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2 ETSI TR 102 398 V1.4.1 (2018-11)



Reference
RTR/ERM-TGDMR-307
Keywords
digital, PMR, radio
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3 ETSI TR 102 398 V1.4.1 (2018-11)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 6
Introduction . 6
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 8
3 Definition of terms, symbols and abbreviations . 9
3.1 Terms . 9
3.2 Symbols . 13
3.3 Abbreviations . 13
4 Overview of DMR . 16
5 Over-the-air protocol summary . 18
5.0 General . 18
5.1 Over-the-air protocol description . 19
5.1.0 General . 19
5.1.1 Signalling advantages . 20
5.1.2 6,25 kHz equivalence . 21
5.1.3 The vocoder . 21
5.1.4 Radiated power and range . 21
5.2 Frequency considerations . 22
5.3 DMR Burst and frame structure . 24
5.4 Frame synchronization . 26
5.5 Basic channel types . 28
5.5.1 Traffic channel with CACH . 28
5.5.2 Traffic channel with guard time . 28
5.5.3 Bi-directional channel . 29
5.5.4 Direct Mode with continuous transmission . 29
5.5.5 TDMA direct mode timing . 30
5.6 Channel access . 30
6 DMR services . 31
6.0 General . 31
6.1 DMR services overview . 32
6.2 Description of voice services. 32
6.2.1 Individual call service . 32
6.2.2 Group call service . 33
6.2.3 Unaddressed voice call service . 33
6.2.4 All Call Voice service . 33
6.2.5 Broadcast Call Voice service . 33
6.3 Description of data services. 34
6.3.1 IP over PDP . 34
6.3.2 Short Data Services over PDP . 34
6.3.2.0 General . 34
6.3.2.1 Short Data over PDP - Status/Precoded . 34
6.3.2.2 Short Data over PDP - Raw Data . 34
6.3.2.3 Short Data over PDP - Defined Data . 34
6.3.3 Data Services using the Alternate Control Channel Slot (TSCCAS) . 35
7 DMR data services . 35
7.0 General . 35
7.1 The Packet Data Protocol (PDP) . 35
7.2 Internet Protocol over PDP . 36
ETSI

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4 ETSI TR 102 398 V1.4.1 (2018-11)
7.2.0 General . 36
7.2.1 IPv6 transport over PDP . 37
7.3 Short Data Services over PDP . 37
8 Trunking (DMR tier III) . 38
8.0 General . 38
8.1 Introduction . 39
8.2 Feature set . 40
8.3 Single Site/Wide Area . 41
8.4 MS location and registration . 42
8.5 Power Save . 43
8.6 Security features . 43
8.7 MS management from the system . 43
8.8 Physical link organization . 43
8.8.0 General . 43
8.8.1 Radio frequency allocation . 43
8.8.2 Colour Code . 44
8.9 Unified Data Transport mechanism (UDT) . 44
8.10 Tier III frame structure . 44
8.10.0 General . 44
8.10.1 TSCC structure . 45
8.10.2 Payload channel structure . 45
8.10.3 Random access . 45
8.11 Tier III user services . 46
8.11.0 General . 46
8.11.1 MS initiating calls . 46
8.11.2 MS receiving calls . 46
8.11.2.0 General . 46
8.11.2.1 MS receiving individual calls . 47
8.11.2.2 MS receiving calls to talkgroups . 47
8.11.3 Some Examples of Tier III calls . 47
8.11.3.0 General . 47
8.11.3.1 An individual MS/MS voice call example . 47
8.11.3.2 An MS calls a talkgroup example . 48
8.11.3.2.0 General . 48
8.11.3.2.1 Talkgroup Subscription and Attachment . 49
8.11.3.2.1.0 General . 49
8.11.3.2.1.1 Talkgroup Subscription . 49
8.11.3.2.1.2 Talkgroup Attachment . 49
8.11.3.3 A Call to the PSTN (PABX) example . 49
8.11.3.4 A short data call example . 49
8.12 The use of the CACH . 50
8.12.0 General . 50
8.12.1 System identity code subset . 50
8.12.2 Reg bit . 50
8.12.3 Common Slot Counter . 51
9 Numbering and dialling plan . 51
9.0 General . 51
9.1 Non-Fleet based Dialling . 53
9.1.0 General . 53
9.1.1 Abbreviated dialling . 53
9.1.2 The concept of the wildcard character . 53
9.1.3 Gateway calls . 54
9.1.4 Call modifiers . 54
9.2 Fleet based Dialling . 54
9.2.0 General . 54
9.2.1 Fleet Individual Identity . 54
9.2.2 Fleet Group Identity . 55
9.2.3 Calls to Dispatchers . 55
9.2.4 Call modifiers . 55
10 Network design and management . 55
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5 ETSI TR 102 398 V1.4.1 (2018-11)
10.0 General . 55
10.1 General issues for DMR tier III networks . 56
10.2 Network design process . 56
10.2.1 Performance analysis . 56
10.2.1.0 General . 56
10.2.1.1 Grade of service . 56
10.2.1.2 Channel hold time . 56
10.2.1.3 Performance results . 56
10.2.2 Traffic estimate . 57
10.2.3 Network radio environment . 58
10.3 Network management . 58
10.4 Features . 59
10.5 General recommendations (for all DMR tiers) . 59
10.6 Using network management as a tool (all DMR tiers) . 59
10.7 Network management functions (all DMR tiers) . 60
Annex A: Power save for DMR tier III systems . 61
A.0 General . 61
A.1 Wake up based power save . 61
A.1.1 Introduction . 61
A.1.2 Expected improvement from power save . 63
A.1.2.0 General . 63
A.1.2.1 Analysis of voice and packet data . 64
A.1.2.2 Analysis of short data . 65
A.2 Synchronized power save operation . 65
A.2.0 General . 65
A.2.1 Use of the timers . 66
A.2.2 Power save for a single Talkgroup . 68
A.2.3 Power save for multiple Talkgroups . 68
Annex B: DMR tier III channel access . 69
B.0 General . 69
B.1 Withdrawing slots . 69
B.2 Maintaining optimum throughput . 70
B.2.0 General . 70
B.2.1 Mask and service function . 70
B.2.2 Random backoff . 70
B.3 Characteristics of DMR tier III random access . 71
Annex C: DMR protocol architecture . 74
C.1 Introduction . 74
C.1.0 General . 74
C.1.1 Air Interface physical layer (layer 1) . 74
C.1.2 Air Interface Data Link Layer (layer 2) . 75
C.1.3 Air Interface Call Control Layer (layer 3) . 75
Annex D: Power Control . 76
D.1 Introduction . 76
D.2 Closed Loop Power Control . 76
History . 77

ETSI

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6 ETSI TR 102 398 V1.4.1 (2018-11)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Trademarks
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ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
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Foreword
This Technical Report (TR) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio
spectrum Matters (ERM).
Modal verbs terminology
In the present document "should", "should not", "may", "need not", "will", "will not", "can" and "cannot" are to be
interpreted as descri
...