Terrestrial Trunked Radio (TETRA); Technical requirements for Direct Mode Operation (DMO); Part 3: Mobile Station to Mobile Station (MS-MS) Air Interface (AI) protocol

The multi-part deliverable EN 300 396 defines the TErrestrial Trunked RAdio (TETRA) Direct Mode Operation (DMO). It specifies the basic air interface, the inter-working between Direct Mode (DM) groups via repeaters, and inter-working with the TETRA Voice plus Data (V+D) system via gateways. It also specifies the security aspects in TETRA DMO, and the intrinsic services that are supported in addition to the basic bearer and teleservices. The present document applies to the TETRA DMO Mobile Station - Mobile Station (MS-MS) air interface and contains the specifications of the Data Link Layer (DLL) and the network layer according to the ISO model. It establishes the services, messages and protocols used for voice and circuit mode data calls and short data transfer, starting with the upper layers:
- it defines and specifies the protocol used by the layer 3 entity to communicate across the air interface;
- it defines and specifies the services and protocol used in the DLL.
The normative annexes mainly specify the parameter values used in the protocol.

Prizemni snopovni radio (TETRA) – Tehnične zahteve za neposredni način zveze (DMO) – 3. del: Protokol radijskega vmesnika (AI) od mobilne postaje do mobilne postaje (MS-MS)

General Information

Status
Published
Publication Date
31-Mar-2006
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Apr-2006
Due Date
01-Apr-2006
Completion Date
01-Apr-2006

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SLOVENSKI STANDARD
SIST EN 300 396-3 V1.2.1:2006
01-april-2006
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'02 ±GHO3URWRNROUDGLMVNHJDYPHVQLND $, RGPRELOQHSRVWDMHGRPRELOQH
SRVWDMH 0606

Terrestrial Trunked Radio (TETRA); Technical requirements for Direct Mode Operation

(DMO); Part 3: Mobile Station to Mobile Station (MS-MS) Air Interface (AI) protocol

Ta slovenski standard je istoveten z: EN 300 396-3 Version 1.2.1
ICS:
33.070.10 Prizemni snopovni radio Terrestrial Trunked Radio
(TETRA) (TETRA)
SIST EN 300 396-3 V1.2.1:2006 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 300 396-3 V1.2.1:2006
---------------------- Page: 2 ----------------------
SIST EN 300 396-3 V1.2.1:2006
ETSI EN 300 396-3 V1.2.1 (2004-12)
European Standard (Telecommunications series)
Terrestrial Trunked Radio (TETRA);
Technical requirements for Direct Mode Operation (DMO);
Part 3: Mobile Station to Mobile Station (MS-MS)
Air Interface (AI) protocol
---------------------- Page: 3 ----------------------
SIST EN 300 396-3 V1.2.1:2006
2 ETSI EN 300 396-3 V1.2.1 (2004-12)
Reference
REN/TETRA-08064
Keywords
air interface, protocol, radio, TETRA
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ETSI
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SIST EN 300 396-3 V1.2.1:2006
3 ETSI EN 300 396-3 V1.2.1 (2004-12)
Contents

Intellectual Property Rights..............................................................................................................................11

Foreword...........................................................................................................................................................11

1 Scope......................................................................................................................................................12

2 References..............................................................................................................................................12

3 Definitions and abbreviations.................................................................................................................13

3.1 Definitions........................................................................................................................................................13

3.2 Abbreviations...................................................................................................................................................15

4 Overview of protocol..............................................................................................................................17

4.1 General.............................................................................................................................................................17

4.2 The DM channel...............................................................................................................................................17

4.3 DM call procedures ..........................................................................................................................................18

4.3.1 Constraints on the frame structure ..............................................................................................................19

4.3.2 Setting up a call ..........................................................................................................................................19

4.3.2.1 Call set-up without presence check.......................................................................................................19

4.3.2.1.1 Basic procedure...............................................................................................................................19

4.3.2.1.2 Procedure in frequency efficient mode............................................................................................20

4.3.2.2 Call set-up with presence check ............................................................................................................21

4.3.3 Changeover in a call ...................................................................................................................................21

4.3.4 Pre-emption of a DM call ...........................................................................................................................22

4.3.5 Terminating a call .......................................................................................................................................23

4.3.6 DM short data call ......................................................................................................................................23

4.3.6.1 Unacknowledged short data message....................................................................................................23

4.3.6.2 Acknowledged short data message .......................................................................................................24

4.4 DM protocol layering .......................................................................................................................................24

5 Layer 3 service description.....................................................................................................................25

5.1 Introduction......................................................................................................................................................25

5.2 Services offered................................................................................................................................................25

5.3 Primitive description........................................................................................................................................26

5.3.1 DMCC-COMPLETE primitive...................................................................................................................26

5.3.2 DMCC-RELEASE primitive......................................................................................................................27

5.3.3 DMCC-REPORT primitive........................................................................................................................27

5.3.4 DMCC-SDS DATA primitive ....................................................................................................................27

5.3.5 DMCC-SDS REPORT primitive................................................................................................................28

5.3.6 DMCC-SDS UNITDATA primitive...........................................................................................................28

5.3.7 DMCC-SETUP primitive...........................................................................................................................29

5.3.8 DMCC-TPNI primitive...............................................................................................................................30

5.3.9 DMCC-TX CEASED primitive..................................................................................................................30

5.4 Parameter description.......................................................................................................................................30

5.5 States for DMCC-SAP.....................................................................................................................................35

6 Layer 3 protocol .....................................................................................................................................36

6.1 Introduction......................................................................................................................................................36

6.1.1 DMCC protocol states ................................................................................................................................36

6.1.1.1 IDLE.....................................................................................................................................................36

6.1.1.2 CALL SETUP NORMAL ORIGINATING..........................................................................................36

6.1.1.3 CALL SETUP NORMAL TERMINATING ........................................................................................36

6.1.1.4 CALL SETUP PRES_CHECK ORIGINATING..................................................................................36

6.1.1.5 CALL SETUP PRES_CHECK TERMINATING.................................................................................36

6.1.1.6 PRE-EMPTION....................................................................................................................................36

6.1.1.7 CALL ACTIVE TX OCCUPATION....................................................................................................36

6.1.1.8 CALL ACTIVE TX RESERVATION..................................................................................................37

6.1.1.9 CALL ACTIVE RX OCCUPATION....................................................................................................37

6.1.1.10 CALL ACTIVE RX RESERVATION..................................................................................................37

6.1.1.11 WAIT RSP OCCUPATION .................................................................................................................37

ETSI
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SIST EN 300 396-3 V1.2.1:2006
4 ETSI EN 300 396-3 V1.2.1 (2004-12)

6.1.1.12 WAIT RSP RESERVATION................................................................................................................37

6.1.1.13 ACK'D SHORT DATA INITIATED....................................................................................................37

6.1.1.14 UNACK'D SHORT DATA INITIATED..............................................................................................37

6.2 Circuit mode calls.............................................................................................................................................37

6.2.1 Procedures for call set-up without presence check .....................................................................................38

6.2.1.1 Outgoing call.........................................................................................................................................38

6.2.1.2 Incoming call.........................................................................................................................................40

6.2.1.3 Temporary group address......................................................................................................................41

6.2.2 Procedures for call set-up with presence check ..........................................................................................41

6.2.2.1 Outgoing call.........................................................................................................................................41

6.2.2.2 Incoming call.........................................................................................................................................43

6.2.3 Usage of DM-OCCUPIED PDU ................................................................................................................44

6.2.3.1 Sending of DM-OCCUPIED PDU by master DM-MS.........................................................................44

6.2.3.2 Late entry by slave DM-MS..................................................................................................................44

6.2.4 Procedures during occupation.....................................................................................................................44

6.2.4.1 Master DM-MS.....................................................................................................................................44

6.2.4.2 Slave DM-MS.......................................................................................................................................45

6.2.4.3 Transmitting Party Number Identification (TPNI)................................................................................47

6.2.5 Procedures during reservation.....................................................................................................................47

6.2.5.1 Master DM-MS.....................................................................................................................................47

6.2.5.2 Slave DM-MS.......................................................................................................................................49

6.2.5.3 Pre-emption of short data sent as a transaction within a circuit mode call............................................51

6.2.6 Procedures to set up a new call by pre-emption..........................................................................................51

6.3 Short Data Service (SDS) procedures ..............................................................................................................52

6.3.1 Sending short data.......................................................................................................................................53

6.3.1.1 Sending short data on a free channel.....................................................................................................53

6.3.1.1.1 Sending unacknowledged short data on a free channel ...................................................................53

6.3.1.1.2 Sending acknowledged short data on a free channel .......................................................................55

6.3.1.2 Sending short data by pre-emption........................................................................................................57

6.3.1.3 Sending short data during circuit mode transmission............................................................................58

6.3.1.4 Sending short data as a transaction within a circuit mode call..............................................................59

6.3.1.4.1 Pre-emption to send short data as a transaction within a circuit mode call .....................................59

6.3.1.4.2 Changeover to send short data as a transaction within a circuit mode call......................................60

6.3.1.4.3 Sending the short data as master of the circuit mode call................................................................60

6.3.2 Receiving short data....................................................................................................................................60

6.3.2.1 Receiving unacknowledged short data..................................................................................................60

6.3.2.2 Receiving acknowledged short data......................................................................................................61

6.3.3 Additional addressing.................................................................................................................................61

6.3.4 Extended error protection ...........................................................................................................................61

6.3.5 SDS-TL service in DMO ............................................................................................................................62

6.3.5.1 Service primitives at the DMTL-SDS-SAP ..........................................................................................62

6.3.5.2 DMTL-SDS primitives' parameters ......................................................................................................65

6.3.5.3 DMTL-SDS PDUs................................................................................................................................67

6.3.5.4 DMTL-SDS procedures........................................................................................................................67

6.4 Usage of DMA-UNITDATA primitive............................................................................................................70

7 Layer 2 service description.....................................................................................................................71

7.1 Introduction......................................................................................................................................................71

7.2 Layer 2 architecture..........................................................................................................................................72

7.2.1 Lower layer management in layer 2............................................................................................................73

7.3 Service descriptions..........................................................................................................................................73

7.3.1 Services at the DMA-SAP ..........................................................................................................................73

7.3.1.1 Services provided to layer 3..................................................................................................................73

7.3.1.2 Service primitives at the DMA-SAP .....................................................................................................74

7.3.1.2.1 DMA-REPORT primitive................................................................................................................74

7.3.1.2.2 DMA-UNITDATA primitive..........................................................................................................74

7.3.2 Services at the DMC-SAP ..........................................................................................................................75

7.3.2.1 Services provided to layer 3..................................................................................................................75

7.3.2.2 Service primitives at the DMC-SAP .....................................................................................................75

7.3.2.2.1 DMC-CONFIGURE primitive........................................................................................................76

7.3.2.2.2 DMC-REPORT primitive................................................................................................................76

7.3.3 Services at the DMD-SAP ..........................................................................................................................76

ETSI
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SIST EN 300 396-3 V1.2.1:2006
5 ETSI EN 300 396-3 V1.2.1 (2004-12)

7.3.3.1 Services provided to the U-plane application........................................................................................76

7.3.3.2 Service primitives at the DMD-SAP .....................................................................................................76

7.3.3.2.1 DMD-REPORT primitive................................................................................................................77

7.3.3.2.2 DMD-UNITDATA primitive..........................................................................................................77

7.4 Parameter listing...............................................................................................................................................77

7.4.1 Air interface encryption information ..........................................................................................................77

7.4.2 Air interface encryption state......................................................................................................................77

7.4.2A Called party in ongoing call........................................................................................................................78

7.4.3 Call release..................................................................................................................................................78

7.4.4 Call set-up after pre-emption or changeover...............................................................................................78

7.4.5 Changeover request held during occupation...............................................................................................78

7.4.5A Channel selection information ....................................................................................................................78

7.4.6 Circuit mode information............................................................................................................................78

7.4.7 Circuit mode type.......................................................................................................................................78

7.4.8 Communication type...................................................................................................................................78

7.4.9 Destination address.....................................................................................................................................78

7.4.10 Destination address type .............................................................................................................................79

7.4.10A DM channel................................................................................................................................................79

7.4.11 DM-SDU....................................................................................................................................................79

7.4.12 DM-SDU length..........................................................................................................................................79

7.4.12A Dual watch information..............................................................................................................................79

7.4.13 FCS flag......................................................................................................................................................79

7.4.14 Half slot condition ......................................................................................................................................79

7.4.15 Half slot content..........................................................................................................................................79

7.4.16 Half slot importance....................................................................................................................................79

7.4.17 Half slot position.........................................................................................................................................79

7.4.18 Half slot synchronization ............................................................................................................................80

7.4.19 Handle to the request ..................................................................................................................................80

7.4.20 Immediate retransmission...........................................................................................................................80

7.4.21 Incomplete DM-SDS DATA/ACK received ..............................................................................................80

7.4.21A Lower layer quality information .................................................................................................................80

7.4.21B Master of ongoing call ................................................................................................................................80

7.4.22 Message type..............................................................................................................................................80

7.4.23 New call pre-emption..................................................................................................................................80

7.4.24 Number of repeats.......................................................................................................................................81

7.4.25 Priority........................................................................................................................................................81

7.4.26 Priority of ongoing call ...............................................................................................................................81

7.4.27 Recent user changeover request..................................................................................................................81

7.4.28 Recent user priority.....................................................................................................................................81

7.4.29 Report.........................................................................................................................................................81

7.4.30 Reservation time.........................................................................................................................................81

7.4.31 SDS transaction type...................................................................................................................................81

7.4.32 Source address............................................................................................................................................81

7.4.33 Source address type ....................................................................................................................................81

7.4.34 Stealing priority..........................................................................................................................................82

7.4.35 Stolen indication.........................................................................................................................................82

7.4.36 Type of pre-emption ...................................................................................................................................82

7.4.37 Valid addresses...........................................................................................................................................82

8 Layer 2 protocol .....................................................................................................................................82

8.1 Introduction......................................................................................................................................................82

8.1.1 Functions of lower MAC ............................................................................................................................82

8.1.2 Functions of upper MAC ............................................................................................................................83

8.2 Interface between lower and upper MAC.........................................................................................................83

8.2.1 Logical channels defined at the DMV-SAP................................................................................................83

8.2.2 Service primitives at the DMV-SAP...........................................................................................................84

8.2.3 PDU mapping of the logical channels at the DMV-SAP............................................................................85

8.2.4 Scrambling mechanism...............................................................................................................................86

8.2.5 PDU error detection....................................................................................................................................86

8.2.6
...

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