ETSI TS 102 361-3 V1.2.1 (2013-07) Technical Specification Electromagnetic compatibility and Radio spectrum Matters (ERM); Digital Mobile Radio (DMR) Systems; Part 3: DMR data protocol 2 ETSI TS 102 361-3 V1.2.1 (2013-07) Reference RTS/ERM-TGDMR-312-3 Keywords air interface, data, digital, PMR, protocol, radio ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N° 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88 Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). 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ETSI 3 ETSI TS 102 361-3 V1.2.1 (2013-07) Contents Intellectual Property Rights ................................................................................................................................ 6 Foreword ............................................................................................................................................................. 6 1 Scope ........................................................................................................................................................ 7 2 References ................................................................................................................................................ 7 2.1 Normative references ......................................................................................................................................... 7 2.2 Informative references ........................................................................................................................................ 8 3 Definitions and abbreviations ................................................................................................................... 8 3.1 Definitions .......................................................................................................................................................... 8 3.2 Abbreviations ................................................................................................................................................... 10 4 Overview ................................................................................................................................................ 11 4.1 Protocol architecture......................................................................................................................................... 11 4.1.1 Air Interface Physical Layer (layer 1)......................................................................................................... 12 4.1.2 Air Interface Data Link Layer (layer 2) ...................................................................................................... 13 4.1.3 Air Interface Call Control Layer (layer 3) .................................................................................................. 13 4.2 Overview of the DMR Packet Data Protocol (PDP) ........................................................................................ 13 4.3 Feature interoperability .................................................................................................................................... 14 5 Internet Protocol (IP) bearer service....................................................................................................... 14 5.1 IP addressing .................................................................................................................................................... 15 5.1.1 DLL derived IP addressing ......................................................................................................................... 15 5.1.2 DLL neutral IP addressing .......................................................................................................................... 16 5.2 IP error messages.............................................................................................................................................. 16 5.3 Unconfirmed data DLL bearer service ............................................................................................................. 17 5.3.1 Unconfirmed IP Data Types/PDUs ............................................................................................................. 18 5.3.1.1 Rate ½ coded unconfirmed IP Data Types/PDUs ................................................................................. 18 5.3.1.2 Rate ¾ coded unconfirmed IP Data Types/PDUs ................................................................................. 18 5.3.1.3 Rate 1 coded unconfirmed IP Data Types/PDUs .................................................................................. 18 5.3.2 Unconfirmed IP data SDL .......................................................................................................................... 18 5.3.3 Unconfirmed IP Data MSCs ....................................................................................................................... 20 5.3.3.1 TX unconfirmed IP data MSC .............................................................................................................. 20 5.3.3.2 Form and send DLL data message MSC ............................................................................................... 21 5.3.3.3 Unconfirmed Data Repeat ..................................................................................................................... 22 5.4 Confirmed data DLL bearer service ................................................................................................................. 23 5.4.1 Confirmed IP Data Types/PDUs ................................................................................................................. 24 5.4.1.1 Rate ½ coded confirmed IP Data Types/PDUs ..................................................................................... 24 5.4.1.2 Rate ¾ coded confirmed IP Data Types/PDUs ..................................................................................... 24 5.4.1.2A Rate 1 coded confirmed IP Data Types/PDUs ...................................................................................... 24 5.4.1.3 Confirmed response Data Types/PDUs ................................................................................................. 24 5.4.2 Confirmed IP Data SDL ............................................................................................................................. 25 5.4.2.1 Confirmed data source SDL .................................................................................................................. 25 5.4.2.2 Confirmed data target SDL ................................................................................................................... 27 5.4.3 Confirmed data MSCs ................................................................................................................................ 28 5.4.3.1 Confirmed data source MSCs ............................................................................................................... 28 5.4.3.1.1 TX confirmed IP data MSC ............................................................................................................. 28 5.4.3.1.2 Form and send DLL data message MSC ......................................................................................... 28 5.4.3.1.3 Process DLL confirmed response MSC .......................................................................................... 29 5.4.3.2 Confirmed data target MSCs ................................................................................................................. 30 5.4.3.2.1 RX confirmed data MSC ................................................................................................................. 30 5.4.3.3 Confirmed data BS MSCs ..................................................................................................................... 30 5.4.3.3.1 Confirmed data repeat MSC ............................................................................................................ 30 5.4.3.3.2 Confirmed data hangtime MSC ......................................................................................................