SIST TS 100 392-18-1 V1.7.1 :2016

• Abstract:

  RTS/TCCE-03232

• Status: Not Published
• Publication Date: 03-Dec-2015
• Technical Committee: MOC - Mobile Communications
• Current Stage: 98 - Abandoned project (Adopted Project)
• Start Date: 18-Dec-2015
• Due Date: 23-Dec-2015
• Completion Date: 18-Dec-2015
• Ref Project: ETSI TS 100 392-18-1 V1.7.1 (2015-03) - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D) and Direct Mode Operation (DMO); Part 18: Air interface optimized applications; Sub-part 1: Location Information Protocol (LIP)

Overview

SIST TS 100 392-18-1 V1.7.1:2016 is a technical specification developed under the framework of Terrestrial Trunked Radio (TETRA) systems. Specifically, it defines the Location Information Protocol (LIP) for air interface optimized applications within TETRA Voice plus Data (V+D) and Direct Mode Operation (DMO) environments. This standard, maintained by SIST and based on the ETSI specification ETSI TS 100 392-18-1 V1.7.1 (2015-03), details the protocols and procedures enabling the efficient exchange of location information between TETRA devices and applications.

TETRA is a digital trunked radio standard widely adopted for critical communications in sectors such as public safety, transportation, and utilities. By offering robust location information capabilities, LIP enhances operational effectiveness, supports user safety, and enables location-based services and applications within TETRA infrastructure.

Key Topics

• Air Interface Optimization: The protocol is engineered for efficient transmission over TETRA's radio air interface, minimizing bandwidth usage and supporting both individual and group location reporting.
• Location Information Protocol (LIP) Functions: LIP enables the exchange of device geographic position data, including parameters such as horizontal and vertical position, velocity, direction of travel, and location accuracy.
• Protocol Architecture: The specification outlines the system architecture, service access points, information element structures, and message flows-ensuring interoperability across equipment and solutions from different vendors.
• Procedures and Triggers: Defines procedures for both unsolicited and triggered location reporting, immediate report requests, and mechanisms for managing reporting intervals, priorities, and information accuracy.
• Coding and Information Elements: Details the format and mandatory/optional elements for location-related Protocol Data Units (PDUs), including report types, acknowledgement requests, triggers, and temporary controls.

Applications

TETRA LIP is essential for a broad range of operational and safety-critical applications, including:

• Fleet and Personnel Tracking: Real-time monitoring of mobile users or vehicles within utility, public transport, and emergency services, enhancing dispatch and coordinating field resources.
• Emergency Response: Supports timely location reporting for first responders, improving situational awareness, resource deployment, and staff safety during critical incidents.
• Workforce Management: Enables automated attendance, area entry logging, and geographic assignment control for large-scale operations or event management.
• Geo-fencing and Alarms: Utilizes the protocol's trigger mechanisms for location-based alerts, such as entering, leaving, or dwelling in specified zones.
• Maintenance and Service Monitoring: Coordinates field operations, maintenance scheduling, or delivery activities based on real-time or triggered location reports.
• Compliance and Reporting: Supports automated compliance with safety or regulatory mandates requiring location data documentation and traceability.

Related Standards

For comprehensive deployment and interoperability, consider referencing these related TETRA and location information standards:

• ETSI EN 300 392-2: TETRA Voice plus Data (V+D) Air Interface - core protocol specifications.
• ETSI TS 100 392-18-2: TETRA Air Interface Optimized Applications - further specification for additional air interface applications.
• ETSI TS 100 392-17: TETRA Direct Mode Operation (DMO) - detailed DMO protocol structures.
• ETSI EN 300 394 series: TETRA supplementary services, including location-based services and advanced data applications.

By adhering to SIST TS 100 392-18-1 V1.7.1:2016, organizations ensure that their TETRA deployment supports advanced, standards-based location reporting and integrates seamlessly with critical communication networks and applications. This enables reliable, secure, and scalable operational capabilities for organizations in both public and private sectors.

TECHNICAL SPECIFICATION
Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D) and Direct Mode Operation (DMO);
Part 18: Air interface optimized applications;
Sub-part 1: Location Information Protocol (LIP)

2 ETSI TS 100 392-18-1 V1.7.1 (2015-03)

Reference
RTS/TCCE-03232
Keywords
air interface, location, radio, TETRA, V+D
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ETSI
3 ETSI TS 100 392-18-1 V1.7.1 (2015-03)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definitions, symbols and abbreviations . 11
3.1 Definitions . 11
3.2 Symbols . 11
3.3 Abbreviations . 11
4 Location information protocol . 12
4.1 General . 12
4.2 Location information protocol system architecture . 13
4.3 Location information protocol service description . 16
4.3.1 General on services . 16
4.3.2 Services available at the LIP-SAP . 16
4.3.3 Service primitives at the LIP-SAP . 17
4.3.4 Service primitive parameters at the LIP-SAP . 17
4.5.5 State description . 17
5 Location information protocol description . 18
5.1 Description of information elements . 18
5.1.1 General on accuracies and uncertainties . 18
5.1.2 Acknowledgement request . 18
5.1.2a Backlog information elements . 18
5.1.3 Basic parameters . 18
5.1.4 Confidence level . 18
5.1.5 Direction of travel and direction of travel accuracy . 18
5.1.6 Horizontal position and horizontal position accuracy . 19
5.1.7 Horizontal velocity and horizontal velocity accuracy . 19
5.1.8 Location altitude and location altitude accuracy . 19
5.1.9 Location information destination . 19
5.1.10 Location message reference . 19
5.1.11 Location shape . 20
5.1.12 Maximum information age . 20
5.1.13 Maximum reporting distance . 20
5.1.14 Maximum reporting interval . 20
5.1.15 Maximum response time . 20
5.1.16 Minimum reporting interval . 20
5.1.17 Reason for sending. 20
5.1.18 Report type. 20
5.1.19 Request priority . 20
5.1.20 Requested/required . 21
5.1.21 Start time . 21
5.1.22 Stop time . 21
5.1.23 Terminal or location identification . 21
5.1.24 Trigger definition . 22
5.1.25 Trigger type . 22
5.1.26 Velocity type . 22
5.1.27 Vertical velocity and vertical velocity accuracy . 22
5.2 Information flows . 22
5.2.1 General on information flows . 22
5.2.2 Pre-programmed MS sending reports . 23
5.2.3 Pre-programmed MS sending reports and receiving acknowledgement . 23
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4 ETSI TS 100 392-18-1 V1.7.1 (2015-03)
5.2.4 MS receiving basic parameters . 24
5.2.5 MS receiving basic parameters and sending response . 24
5.2.6 MS reporting basic parameters . 25
5.2.7 MS receiving immediate report request and sending response . 25
5.2.8 MS receiving immediate report request and asking acknowledgement . 26
5.2.9 MS receiving trigger definitions and sending reports . 26
5.2.10 MS receiving trigger definitions and sending reports and asking acknowledgements. 27
5.2.11 MS receiving trigger definitions and sending modification . 27
5.2.12 MS receiving trigger definitions and rejecting triggers . 28
5.2.13 MS receiving trigger definitions and sending reports to other location information destination . 28
5.2.14 MS receiving trigger definitions via location server and sending reports to another location
information destination . 29
5.2.15 Trigger removal . 30
5.2.16 Trigger reporting . 30
5.2.17 Location reporting enabling . 31
5.2.18 Location reporting disabling . 31
5.2.19 Location reporting temporary control . 32
5.2.20 Backlog information flows . 33
5.2.21 Allocation of entities . 33
5.3 Procedures . 34
5.3.1 Relations to flow charts . 34
5.3.2 General on control messages . 34
5.3.3 Accuracy control in control messages . 34
5.3.4 General on location report sending . 35
5.3.5 General on location report reception . 35
5.3.6 MS sending unsolicited reports . 35
5.3.7 MS receiving basic parameters . 36
5.3.8 MS reporting basic parameters . 36
5.3.9 MS sending immediate reports . 36
5.3.10 MS sending immediate report request . 36
5.3.11 Triggered report request sending . 36
5.3.12 MS receiving triggered reports requests . 37
5.3.13 MS sending triggered reports . 37
5.3.14 MS receiving triggered reports . 38
5.3.15 Triggered report reception in location server . 38
5.3.16 Trigger removal . 38
5.3.17 Report trigger request . 38
5.3.18 Location report enable/disable request . 38
5.3.19 Trigger configuration request . 39
5.3.20 Trigger and report type interactions . 39
5.3.21 Location message reference usage . 40
5.3.22 Triggers for Lost and Regained ability to determine location. 40
5.3.23 Trigger for Ambience Listening call . 40
5.3.24 Temporary control of location reporting . 41
5.3.25 Track retrieval . 41
5.3.25.1 General on track retrieval . 41
5.3.25.2 Backlog requesting entity actions . 42
5.3.25.3 MT or application actions . 42
5.3.25.3.1 Backlog location reporting . 42
5.3.25.3.2 Backlog location report recording enabling and disabling . 43
5.3.25.3.3 Backlog location report triggers . 43
5.3.25.3.4 Result code usage . 44
5.3.26 Trigger for call setup. 44
5.4 Management of time . 44
6 Location information protocol coding requirements . 45
6.1 General on coding requirements . 45
6.2 Location information protocol PDU description tables . 46
6.2.1 SHORT LOCATION REPORT PDU . 46
6.2.2 LONG LOCATION REPORT PDU . 46
6.2.3 LOCATION REPORT ACKNOWLEDGEMENT PDU . 47
6.2.4 BASIC LOCATION PARAMETERS REQUEST PDU . 47
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5 ETSI TS 100 392-18-1 V1.7.1 (2015-03)
6.2.5 BASIC LOCATION PARAMETERS RESPONSE PDU . 48
6.2.6 REPORT BASIC LOCATION PARAMETERS REQUEST PDU . 48
6.2.7 REPORT BASIC LOCATION PARAMETERS RESPONSE PDU . 49
6.2.8 ADD/MODIFY TRIGGER REQUEST PDU . 50
6.2.9 ADD/MODIFY TRIGGER RESPONSE PDU . 51
6.2.10 REMOVE TRIGGER REQUEST PDU . 52
6.2.11 REMOVE TRIGGER RESPONSE PDU . 52
6.2.12 REPORT TRIGGERS REQUEST PDU . 52
6.2.13 REPORT TRIGGER RESPONSE PDU . 53
6.2.14 LOCATION REPORTING ENABLE/DISABLE REQUEST PDU . 54
6.2.15 LOCATION REPORTING ENABLE/DISABLE RESPONSE PDU . 54
6.2.16 IMMEDIATE LOCATION REPORT REQUEST PDU . 55
6.2.17 LOCATION REPORTING TEMPORARY CONTROL REQUEST PDU . 56
6.2.18 LOCATION REPORTING TEMPORARY CONTROL RESPONSE PDU . 56
6.2.19 BACKLOG REQUEST PDU . 56
6.2.20 BACKLOG RESPONSE PDU . 57
6.2.21 Backlog PDUs . 58
6.2.21.1 BACKLOG ADD/MODIFY TRIGGERS REQUEST PDU . 58
6.2.21.2 BACKLOG ADD/MODIFY TRIGGERS RESPONSE PDU . 59
6.2.21.3 BACKLOG CONFIGURATION REQUEST PDU . 60
6.2.21.4 BACKLOG CONFIGURATION RESPONSE PDU . 60
6.2.21.5 BACKLOG REMOVE TRIGGERS REQUEST PDU . 60
6.2.21.6 BACKLOG REMOVE TRIGGERS RESPONSE PDU . 60
6.2.21.7 BACKLOG REPORT TRIGGERS REQUEST PDU . 61
6.2.21.8 BACKLOG REPORT TRIGGERS RESPONSE PDU . 61
6.2.21.9 BACKLOG RETRIEVAL REQUEST PDU . 61
6.2.21.10 BACKLOG RETRIEVAL RESPONSE PDU . 62
6.3 Location information protocol PDU information elements . 62
6.3.1 Acknowledgement request . 62
6.3.2 Address or identification type . 62
6.3.3 Angle . 63
6.3.4 Backlog information elements . 63
6.3.4.1 Backlog continuation state . 63
6.3.4.2 Backlog denominator rule . 63
6.3.4.3 Backlog distance interval rule . 64
6.3.4.4 Backlog information available . 64
6.3.4.5 Backlog retrieval action . 64
6.3.4.6 Backlog retrieval rules . 64
6.3.4.7 Backlog location reports present . 65
6.3.4.8 Backlog location reports requested . 65
6.3.4.9 Backlog order of processing . 65
6.3.4.10 Backlog PDU Type . 65
6.3.4.11 Backlog time frame rule . 66
6.3.4.12 Backlog time interval rule . 66
6.3.4a Confidence level . 66
6.3.4b Default enable/disable lifetime . 66
6.3.5 Direction of travel . 66
6.3.6 Direction of travel extended. 67
6.3.7 Direction of travel accuracy . 67
6.3.8 Direction of travel and direction of travel accuracy . 67
6.3.9 Direction of travel uncertainty . 68
6.3.10 Extended user defined data . 68
6.3.11 External subscriber number . 68
6.3.12 Half of major axis . 68
6.3.13 Half of minor axis . 68
6.3.14 Horizontal position accuracy . 68
6.3.15 Horizontal position and horizontal position accuracy . 69
6.3.16 Horizontal position uncertainty. 69
6.3.17 Horizontal velocity . 69
6.3.18 Horizontal velocity accuracy . 70
6.3.19 Horizontal velocity and horizontal velocity accuracy . 71
6.3.20 Horizontal velocity and vertical velocity . 71
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6 ETSI TS 100 392-18-1 V1.7.1 (2015-03)
6.3.21 Horizontal velocity and vertical velocity with uncertainty . 71
6.3.22 Horizontal velocity and vertical velocity with direction of travel extended and uncertainty . 71
6.3.23 Horizontal velocity uncertainty. 72
6.3.24 Horizontal velocity with direction of travel extended . 72
6.3.25 Horizontal velocity with direction of travel extended and uncertainty . 72
6.3.26 Horizontal velocity with uncertainty . 72
6.3.27 Inner radius . 73
6.3.28 IPv4 address . 73
6.3.29 IPv6 address . 73
6.3.30 Latitude . 73
6.3.31 Location altitude . 73
6.3.32 Location altitude accuracy . 74
6.3.33 Location altitude and location altitude accuracy . 74
6.3.34 Location altitude uncertainty . 74
6.3.35 Location arc . 74
6.3.36 Location circle . 75
6.3.37 Location circle with altitude . 75
6.3.38 Location circle with altitude and uncertainty . 75
6.3.39 Location data . 75
6.3.40 Location ellip se . 76
6.3.41 Location ellipse with altitude . 76
6.3.42 Location ellipse with altitude and uncertainty . 76
6.3.43 Location information destination . 77
6.3.44 Location message reference . 77
6.3.45 Location point . 77
6.3.46 Location point and position error . 77
6.3.47 Location point with altitude . 78
6.3.48 Location reporting enable flags . 78
6.3.49 Location shape . 78
6.3.50 Longitude . 79
6.3.51 Maximum information age . 79
6.3.52 Maximum reporting distance . 79
6.3.53 Maximum reporting interval . 80
6.3.54 Maximum response time . 80
6.3.54a Minimum detection inter val . 80
6.3.55 Minimum reporting interval . 81
6.3.56 MNI + SSI . 81
6.3.57 MNI + SSI + external subscriber number . 81
6.3.58 Name of location . 81
6.3.59 Name server type . 82
6.3.60 Outer radius . 82
6.3.61 PDU type . 82
6.3.62 PDU type extension . 83
6.3.63 Position error . 83
6.3.64 Reason for sending. 84
6.3.65 Report type. 85
6.3.66 Requested or required . 85
6.3.67 Request priority . 85
6.3.68 Result code. 85
6.3.69 SDS type-1 value . 87
6.3.70 SSI . 87
6.3.71 SSI + external subscriber number . 87
6.3.72 Start angle . 87
6.3.73 Start time . 87
6.3.74 Status value . 88
6.3.75 Stop angle . 88
6.3.76 Stop time . 88
6.3.76a Temporary control parameter definition . 88
6.3.76b Temporary control parameter type . 89
6.3.76c Temporary control validity . 89
6.3.76d Temporary maximum reporting distance - relative . 89
6.3.76e Temporary maximum reporting distance - absolute . 90
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7 ETSI TS 100 392-18-1 V1.7.1 (2015-03)
6.3.76f Temporary minimum reporting interval - absolute . 90
6.3.76g Temporary minimum reporting interval - relative . 90
6.3.76h Temporary report type . 90
6.3.77 Terminal or location identification . 90
6.3.78 Time elapsed . 91
6.3.79 Time of position . 91
6.3.80 Time data . 91
6.3.81 Time type . 92
6.3.82 Trigger definition (one-shot/recurring) . 92
6.3.83 Trigger removal . 92
6.3.84 Trigger type (one-shot/recurring) . 93
6.3.85 Trigger type (recurring) . 94
6.3.86 Type 5 element identifier . 94
6.3.87 Type of additional data . 95
6.3.88 User defined data . 95
6.3.89 Velocity data . 95
6.3.90 Velocity type . 95
6.3.91 Vertical velocity . 95
6.3.92 Vertical velocity accuracy . 96
6.3.93 Vertical velocity and vertical velocity accuracy . 97
6.3.94 Vertical velocity uncertainty . 97
6.4 Type 5 information element description . 97
6.4.1 Type 5 information element definition . 97
6.4.2 Type 5 element length . 97
6.4.3 Type 5 element length extension . 97
6.4.4 Type 5 information element . 98
6.5 Geographical shape descriptions . 98
7 Implementation requirements . 98
Annex A (informative): Example of trigger priorities . 99
A.1 Trigger priority setting . 99
Annex B (informative): Use of location message reference . 101
B.1 Potential usage of location message reference . 101
Annex C (informative): Change Requests . 102
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