1、 TIA-102.AABD-B November 2014Project 25 Trunking Procedures NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisti
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6、 of the products or services of the company. (From Project No. TIA-PN-102.AABD-B, formulated under the cognizance of the TIA TR-8 Mobile and Personal Private Radio TR-8.10 Subcommittee on Trunking and Conventional Control). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Technology (b) there is
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19、SUCH DAMAGES. THE FOREGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-102.AABD-B Foreword (This foreword is not part of this standard.) This document has been submitted to APCO/NASTD/
20、FED by the Telecommunications Industry Association (TIA), as provided for in a Memorandum of Understanding (MOU) dated December 1993. That MOU provides that APCO/NASTD/FED will devise a Common System Standard for digital public safety communications (the Standard), and that TIA shall provide technic
21、al assistance in the development of documentation for the Standard. This document has been developed with inputs from the APCO/TIA Project 25 Interface Committee (APIC), the APIC Trunking Task Group, and TIA Industry members. This document is being published because it is felt that there is an urgen
22、t need for technical information on the emerging digital techniques for Land Mobile Radio Service. This document describes the control procedures for trunked systems meeting the Project 25 requirements. These definitions are necessary to insure interoperability of trunked subscriber units. As other
23、documents describing the trunking protocol are developed, this document will be subject to change, Additional reason codes and additional messages covering working channel maintenance may be needed. Some efforts have been made to ensure accuracy, but it should be understood that conformance tests re
24、main to be developed and proven. This document presents trunking operation which was recommended by TIA to APCO/NASTD/FED as being suitable for use as part of their standard for a digital public safety radio system (Project 25). TIA expects that APCO/NASTD/FED shall establish and publish one or more
25、 standards for trunking operation. TIA-102.AABD-B 3 Table of Contents 1 Introduction 13 2 Scope 13 2.1 Nomenclature 14 2.2 Aliases . 14 2.3 Glossary 14 2.4 Revision History 16 2.5 References 16 3 Control and Traffic Channels 18 3.1 Organization of Channels 18 3.1.1 Channel addressing 18 3.1.2 Voice
26、Traffic Channel (Informative) 18 3.1.3 Control Channel 19 3.2 Channel Discipline for the RFSS . 19 3.3 Channel Discipline for Subscriber Units 19 3.4 Call Cancellation . 20 3.4.1 Call Cancellation prior to a service request . 20 3.4.2 Subscriber unit actions to cancel a call after a service request
27、. 20 3.4.3 RFSS response to SU cancellation . 21 3.5 Call Termination 21 3.5.1 Subscriber unit leaves traffic channel . 22 3.5.2 RFSS call termination . 23 3.6 Signaling Reliability . 23 3.6.1 SU actions related to signal reliability . 23 3.7 System Acknowledgement 24 3.8 Network Access Code . 24 4
28、Random Access Procedures 25 4.1 Channel Access on Control Channel . 25 4.1.1 Marking and Recognizing a Control Channel 26 4.1.2 Accessing a Control Channel 30 TIA-102.AABD-B 4 4.1.3 Retries on a Control Channel 32 4.2 Channel Access on Traffic Channel 32 4.2.1 Transmission Trunking and Message Trunk
29、ing 32 4.2.2 Channel Access on a Group Voice Traffic Channel 36 4.2.3 Channel Access on an Individual Voice Traffic Channel . 38 4.2.4 Channel Access on a Data Traffic Channel 39 5 Control Channel Acquisition and Retention 40 5.1 Information stored in the SU 40 5.2 Multiple Control Channels . 41 5.3
30、 Entry into Control Channel Acquisition Procedures . 41 5.4 Control Channel Hunting Procedures 43 5.4.1 Resuming a control channel sequence . 43 5.4.2 Single channel hunt sequence 43 5.4.3 (this section has been deleted in Issue R) 43 5.4.4 Short hunt sequence . 43 5.4.5 Extended hunt sequence 44 5.
31、5 Monitoring of Current Control Channels 44 5.6 Reasons for leaving a Control Channel . 44 5.6.1 Idle on control channel 45 5.6.2 Waiting for RFSS response 45 6 Registration Procedures . 46 6.1 General . 47 6.2 Basics 47 6.3 Administration of Registration 48 6.3.1 Registration Area 48 6.3.2 Location
32、 Registration Area 48 6.4 Full Registration 48 6.4.1 Unit Registration Request . 49 6.4.2 Unit Registration Command 51 6.5 Location Registration . 51 6.5.1 Location Registration Procedure . 51 6.6 WUID Validity Timer 54 6.6.1 RFSS Behavior . 54 TIA-102.AABD-B 5 6.6.2 SU Behavior 55 6.6.3 WUID validi
33、ty timer provisioning . 55 6.7 Group Affiliation Procedure . 55 6.7.1 Group Affiliation Request 56 6.7.2 System Response . 57 6.7.3 Group affiliation query . 58 6.8 Roaming Address Procedures . 59 6.9 De-registration . 59 6.9.1 Unit De-registration Request . 60 7 Voice Call Procedures . 62 7.1 Unit
34、to Group Call Procedure 62 7.1.1 Unit to Group Service Request . 62 7.1.2 System Response . 62 7.1.3 Subscriber Unit scanning of Trunked Groups . 63 7.1.4 Traffic Channel Allocation . 63 7.1.5 Traffic Channel Maintenance 64 7.1.6 Call Termination 64 7.2 Announcement Group Procedure 64 7.2.1 Announce
35、ment Group Service Request . 65 7.2.2 System Response . 65 7.2.3 Traffic Channel Allocation . 66 7.2.4 Traffic Channel Maintenance 66 7.2.5 Call Termination 67 7.3 Unit to Unit Call Procedure 67 7.3.1 Unit to Unit Service Request . 67 7.3.2 System Response . 68 7.3.3 Subscriber Unit Actions (with or
36、 without availability check) . 68 7.3.4 Subscriber Unit Actions (no availability check) . 68 7.3.5 Availability Check on Called Party 69 7.3.6 Traffic Channel Allocation . 69 7.3.7 Traffic Channel Maintenance 70 7.3.8 Call Termination 70 7.4 Unit to PSTN Call Procedure . 71 TIA-102.AABD-B 6 7.4.1 Un
37、it to PSTN Service Request 71 7.4.2 System Response . 71 7.4.3 Traffic Channel Allocation . 72 7.4.4 Traffic Channel Maintenance 72 7.4.5 Call Termination 72 7.5 PSTN to Group Call Procedure . 73 7.5.1 PSTN to Group Service Request 73 7.5.2 Traffic Channel Allocation . 73 7.5.3 Traffic Channel Maint
38、enance 74 7.5.4 Call Termination 74 7.6 PSTN to Unit Call Procedure . 74 7.6.1 PSTN to Unit Service Request 74 7.6.2 Availability Check on Called Party 74 7.6.3 Traffic Channel Allocation . 75 7.6.4 Traffic Channel Maintenance 75 7.6.5 Call Termination 75 7.7 Broadcast Voice Call . 76 7.8 System Cal
39、l . 76 7.8.1 RFSS Actions . 77 7.8.2 Subscriber Unit Actions. 77 7.8.3 Subscriber unit scanning of the System Call group 78 8 Data Call Procedures . 78 9 Wide Area Call Procedures . 78 9.1 Service Request 78 9.1.1 Individual Service Request . 78 9.1.2 Group Service Request . 79 9.1.3 Service Request
40、 Restrictions 79 9.2 Resource Allocation 80 9.3 Service Responses . 80 9.3.1 Individual Audience Response 80 9.3.2 Group Audience Response . 80 9.4 Call Setup 81 9.4.1 Subscriber Unit . 81 TIA-102.AABD-B 7 9.4.2 Fixed Network Equipment (FNE) 81 9.5 Call Maintenance . 82 9.5.1 Subscriber Unit . 82 9.
41、5.2 Fixed Network Equipment (FNE) 82 9.6 Call Termination 82 9.6.1 Subscriber Unit . 82 9.6.2 Fixed Network Equipment (FNE) 82 10 Supplementary Services Procedures . 84 10.1 Call Alert Procedure 84 10.1.1 Subscriber Unit Actions . 84 10.1.2 RFSS Response . 84 10.1.3 Initiating Subscriber Unit Action
42、s 85 10.1.4 Target Subscriber Unit Actions . 85 10.1.5 RFSS Actions . 86 10.2 Short Message Procedures . 86 10.2.1 Subscriber Unit Actions . 86 10.2.2 RFSS Response . 86 10.2.3 Initiating Subscriber Unit Actions 87 10.2.4 Target Subscriber Unit Actions . 87 10.2.5 RFSS Actions . 88 10.3 Status Updat
43、e Procedures 88 10.3.1 Subscriber Unit Actions . 88 10.3.2 RFSS Response . 88 10.3.3 Initiating Subscriber Unit Actions 89 10.3.4 Target Subscriber Unit Actions . 89 10.3.5 RFSS Actions . 90 10.4 Status Query Procedures 90 10.4.1 Subscriber Unit Actions . 90 10.4.2 RFSS Response . 90 10.4.3 Initiati
44、ng Subscriber Unit Actions 91 10.4.4 Target Subscriber Unit Actions . 91 10.4.5 RFSS Response . 91 10.5 Radio Unit Monitor Procedures . 92 TIA-102.AABD-B 8 10.5.1 Radio Unit Monitor Request 92 10.5.2 Subscriber Unit Actions . 92 10.5.3 RFSS Response . 92 10.5.4 Initiating Subscriber Unit Actions 93
45、10.5.5 Target Subscriber Unit Actions . 94 10.5.6 RFSS Actions . 94 10.6 Enhanced Radio Unit Monitor (added Group Voice Call method) . 94 10.6.1 Radio Unit Monitor Enhanced Request . 94 10.6.2 Subscriber Unit Actions . 95 10.6.3 RFSS Response . 95 10.6.4 Initiating Subscriber Unit Actions 96 10.6.5
46、Target Subscriber Unit Actions . 96 10.6.6 RFSS Actions . 97 11 Emergency Call and Alarm Procedures . 98 11.1 Overview . 98 11.2 Emergency Alarm 99 11.2.1 Emergency Alarm Request . 99 11.2.2 Emergency Alarm Cancellation . 100 11.2.3 Pre-Programmed Group Emergency Alarm 101 11.3 Emergency Call . 101
47、11.3.1 Group Emergency Call Request . 101 11.3.2 Pre-Programmed Emergency Group Call . 103 11.3.3 Group Emergency Behavior during an In-Progress Emergency Call 103 11.3.4 Group Emergency Cancellation 104 11.3.5 Registration Procedures with Emergency . 105 11.3.6 Group Emergency during Affiliation 10
48、7 11.3.7 Emergency Cancellation for Subscriber Units with Temporary Registration and Affiliation . 108 11.4 Unit to Unit Emergency Call Request 108 11.4.1 Unit to Unit Call Emergency Cancellation . 109 11.5 Traffic Channel Updates 109 12 System Status Procedures . 109 12.1 Network Status Broadcast .
49、 109 TIA-102.AABD-B 9 12.2 RFSS Status Broadcast 110 12.3 Channel Identifier Update 110 12.4 System Service Broadcast 111 12.5 Protection Parameter Broadcast . 111 12.6 Adjacent Status Broadcast 111 12.7 Secondary Control Channel Broadcast . 112 12.8 Synchronization Broadcast 112 13 Extended Functions . 112 13.1 Extended Functions Command . 113 13.2 Radio Check 113 13.2.1 RFSS Actions . 113 13.2.2 Subscriber Unit Actions . 114 13.3 Radio Inhibit 115 13.3.1 RFSS Actions . 115 13.3.2 Subscriber Unit Actions . 116 13.4 Radio Uninhibit 117 13.4.1 RFSS Actions . 117 13.4.2 Subscriber Unit Act
