SIST EN 300 392-2 V2.4.2:2006

• Abstract:

  The present document defines the Terrestrial Trunked Radio (TETRA) system supporting Voice plus Data (V+D). It specifies the air interface, the interworking between TETRA systems and to other systems via gateways, the Terminal Equipment (TE) interface on the Mobile Station (MS), the connection of Line Stations (LSs) to the infrastructure, the security aspects in TETRA networks, the management services offered to the operator, the performance objectives, and the supplementary services that come in addition to the basic and teleservices.; This part applies to the TETRA V+D Air Interface (AI) and contains the specifications of the physical layer, the data link layer and the network layer according to the ISO model.; First, it establishes the TETRA radio aspects (layer 1):; • it defines and specifies the modulation;; • it defines and specifies the radio transmission and reception;; • it defines and specifies the synchronization;; • it defines and specifies the channel coding;; • it defines and specifies the channel multiplexing;; • it defines and specifies the control over the radio link.; Secondly, it establishes the services, messages and protocols used for voice and circuit mode data transfer, starting with the upper layers:; • it defines and specifies the protocol used by the Circuit Mode Control Entity (CMCE) to communicate across the air interface in order to offer the services of the Call Control (CC), Supplementary Service (SS) and Short Data Service (SDS) sub-entities;; • it defines and specifies the services provided by the CC sub-entity;; • it defines and specifies the services provided by the SS sub-entity;; • it defines and specifies the services provided by the SDS sub-entity;; • it defines and specifies the services and protocol used for the management of the users' mobility inside and across TETRA networks, namely the ones of the Mobility Management (MM) entity and the MLE;; • it defines and specifies the services and protocol used in the data link layer subdivided in two sub-entities, the Logical Link Control (LLC) and the Medium Access Control (MAC) entities.; Thirdly, it establishes the services, messages and protocols used for packet data transfer:; • it defines and specifies the services provided by the Sub-Network Specific Data Control Protocol (SNDCP) sub-entity;; • it defines and specifies the protocol used by Sub-Network Specific Data Control Protocol (SNDCP).; The normative annexes mainly specify the parameter values used in the protocol.; The informative annexes refer mainly to the description of more general layer 3 to layer 1 mechanism.

• Status: Published
• Publication Date: 31-Mar-2006
• ICS: 33.070.10 - Terrestrial Trunked Radio (TETRA)
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Apr-2006
• Due Date: 01-Apr-2006
• Completion Date: 01-Apr-2006
• Ref Project: ETSI EN 300 392-2 V2.4.2 (2004-02) - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air Interface (AI)

Overview

SIST EN 300 392-2 V2.4.2:2006 specifies the air interface for the Terrestrial Trunked Radio (TETRA) Voice plus Data (V+D) system. Developed by the Slovenski inštitut za standardizacijo (SIST), this standard details how radio communications are established, maintained, and managed between mobile and base stations within TETRA V+D networks. It defines the essential criteria for interoperability, security, and the seamless integration of both voice and data services over a robust digital radio interface.

The document clarifies the technical specifications for the air interface, covering major aspects such as physical, data link, and network layers, in accordance with the OSI model. This ensures consistent system behavior, reliable performance, and compatibility among different TETRA implementations.

Key Topics

• Air Interface (AI) Specifications
  • Defines the modulation techniques, radio transmission and reception processes, synchronization methods, channel coding, and multiplexing for TETRA V+D.
• Layered Protocol Structure
  • Details the physical layer (modulation, transmission, synchronization)
  • Defines data link (Logical Link Control, Medium Access Control)
  • Specifies network layer (mobility management, call control, supplementary services)
• Service and Protocol Definitions
  • Describes the protocols supporting voice and circuit mode data
  • Details mechanisms for user mobility, system management, and security
  • Specifies supplementary services (e.g., short data service, call control)
• Error Control and Channel Management
  • Outlines error coding, interleaving, and scrambling for reliable data
  • Details how logical channels map to physical resources in the radio system
• Performance and Synchronization
  • Specifies performance objectives for transmitters and receivers
  • Provides synchronization requirements to ensure seamless communication

Applications

SIST EN 300 392-2 V2.4.2:2006 is vital for industries and organizations that rely on mission-critical communications, such as:

• Emergency Services: Police, fire, and ambulance organizations use TETRA V+D systems for secure, reliable voice and data communications during emergencies.
• Public Safety and Security: Government agencies and military units benefit from robust encrypted radio links and advanced mobility management.
• Transportation and Utilities: Railways, airports, and utility companies use TETRA networks for operational communications, dispatch, and automated control systems.
• Industry Interworking: Facilitates integration between TETRA systems and other communication infrastructures through standardized gateways.

The precise definition of the air interface ensures interoperability between different vendors’ equipment, allowing organizations to build scalable, future-proof radio communication solutions.

Related Standards

• EN 300 392-1: General TETRA V+D overview, including system requirements and architecture.
• EN 300 392-3: Specifies Interworking at the network interface level for TETRA systems.
• EN 300 394: Details conformance testing for TETRA equipment.
• EN 301 489-18: Electromagnetic compatibility for TETRA terminals and base stations.
• ISO/IEC 7498-1: OSI reference model aligning with TETRA protocol stack.

Conclusion

By adhering to SIST EN 300 392-2 V2.4.2:2006, organizations ensure that their TETRA V+D deployments are interoperable, secure, and optimized for mission-critical communications. The standard’s comprehensive approach to the air interface and layered network protocols supports advanced voice and data applications, making it essential for public safety, transportation, utilities, and any sector where reliable wireless communication is a must.

SLOVENSKI STANDARD
01-april-2006
Prizemni snopovni radio (TETRA) – Govor in podatki (V+D) – 2. del: Radijski
vmesnik (AI)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air Interface (AI)
Ta slovenski standard je istoveten z: EN 300 392-2 Version 2.4.2
ICS:
33.070.10 Prizemni snopovni radio Terrestrial Trunked Radio
(TETRA) (TETRA)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)

Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 2: Air Interface (AI)
2 ETSI EN 300 392-2 V2.4.2 (2004-02)

Reference
REN/TETRA-03097
Keywords
radio, TETRA, V+D
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ETSI
3 ETSI EN 300 392-2 V2.4.2 (2004-02)
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
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4 ETSI EN 300 392-2 V2.4.2 (2004-02)
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
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5 ETSI EN 300 392-2 V2.4.2 (2004-02)
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
1 1
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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9.4.3.4 Burst timing.85
9.4.4 Type of bursts .85
9.4.4.1 General.85
9.4.4.2 Modulation bits allocation.87
9.4.4.2.1 Control uplink Burst (CB) .87
9.4.4.2.2 Linearization uplink Burst (LB) .87
9.4.4.2.3 Linearization downlink burst.87
9.4.4.2.4 Normal Uplink Burst (NUB) .88
9.4.4.2.5 Normal continuous downlink burst .88
9.4.4.2.6 Synchronization continuous downlink burst.88
9.4.4.2.7 Normal discontinuous downlink burst.89
9.4.4.2.8 Synchronization discontinuous downlink burst.89
9.4.4.3 Burst fields.89
9.4.4.3.1 Frequency correction field.89
9.4.4.3.2 Normal training sequence.90
9.4.4.3.3 Extended training sequence .90
9.4.4.3.4 Synchronization training sequence.90
9.4.4.3.5 Tail bits.90
9.4.4.3.6 Phase adjustment bits .91
9.4.5 Transmission modes.91
9.4.5.1 BS continuous transmission .91
9.4.5.2 BS timesharing transmission.92
9.4.5.3 MS multiple slot transmission.92
9.5 Mapping of logical channels into physical channels .93
9.5.1 General mapping of logical channels.93
9.5.2 Mapping of BCCH and CLCH .94
9.5.3 Mapping of SCH.95
9.5.4 Mapping of TCH and STCH.95
9.5.5 Mapping of AACH.95
9.6 Monitoring pattern for transmitting MSs.95
9.7 BS timesharing transmission .96
9.7.1 Carrier sharing.96
9.7.2 MCCH sharing.96
9.8 Modes of control .96
9.8.1 NCM.96
9.8.2 MCM.97
10 Radio subsystem link control .97
10.1 Introduction.97
10.2 RF power control.98
10.3 Radio link measurements.98
10.3.1 Received signal strength .98
10.3.1.1 Sample duration for signal strength measurement .98
10.3.2 Signal quality.98
10.3.3 Round-trip MS-BS path delay .98
11 Call Control (CC) service description.98
11.1 Introduction.98
11.2 Services offered.98
11.3 CC service.99
11.3.1 CC primitives exchanged through the TNCC-SAP .99
11.3.2 Service primitives at the TNCC-SAP .99
11.3.3 Primitive description.100
11.3.3.1 TNCC-ALERT primitive.100
11.3.3.2 TNCC-COMPLETE primitive.101
11.3.3.3 TNCC-DTMF primitive.101
11.3.3.4 TNCC-MODIFY primitive.102
11.3.3.5 TNCC-NOTIFY primitive.102
11.3.3.6 TNCC-PROCEED primitive.103
11.3.3.7 TNCC-RELEASE primitive.103
11.3.3.8 TNCC-SETUP primitive.103
11.3.3.9 TNCC-TX primitive.104
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11.3.4 Parameter description.105
11.4 States for CC SAP .112
12 Supplementary Service (SS) service description.113
12.1 Introduction.113
12.2 Services offered.113
12.3 SS service.113
12.3.1 Primitives exchanged through TNSS-SAP .113
12.3.2 Parameter description.113
13 Short Data Service (SDS) service description.114
13.1 Introduction.114
13.2 Services offered.114
13.3 SDS.114
13.3.1 SDS primitives exchanged through the TNSDS-SAP .114
13.3.2 Service primitives at the TNSDS-SAP .115
13.3.2.1 TNSDS-STATUS primitive.115
13.3.2.2 TNSDS-REPORT primitive.116
13.3.2.3 TNSDS-UNITDATA primitive.116
13.3.2.4 TNSDS-CANCEL primitive.117
13.3.3 Parameter description.117
13.3.4 State description.119
13.3.4.1 NULL state.119
13.3.4.2 SHORT DATA INITIATED state .119
13.3.5 Service state diagram for the TNSDS-SAP .120
14 CMCE protocol.120
14.1 Introduction.120
14.2 Overview of CMCE.120
14.2.1 Communication routes of the CMCE model.121
14.2.2 Protocol structure and protocol stack.122
14.2.3 Addressing rules.124
14.2.4 CC, SS and SDS sub-entities .124
14.2.4.1 CC sub-entity.124
14.2.4.2 SS sub-entity.125
14.2.4.3 SDS sub-entity.
...