1、 TIA-102.BAAD-B (Revision of TIA-102.BAAD-A) August 2015Project 25 Conventional Procedures ANSI/TIA-102.BAAD-B-2015 APPROVED: JULY 28, 2015 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purc
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23、D-B i Foreword (This foreword is not part of this document.) This document has been created in response to a request by the Project 25 Steering Committee as provided for in a Memorandum of Understanding (MOU) dated April 1992 and amended December 1993. The MOU states that the Project 25 Steering Com
24、mittee shall devise a Common System Standard for digital public safety communications (the Standard) commonly referred to as Project 25 or P25, and that TIA, as agreed to by the membership of the appropriate TIA Engineering Committee, will provide technical assistance in the development of documenta
25、tion for the Standard. If the abbreviation “P25” or the wording “Project 25” appears on the cover sheet of this document when published that indicates the Project 25 Steering Committee has adopted this document as part of the Standard. The appearance of the abbreviation “P25” or the wording “Project
26、 25” on the cover sheet of this document or in the title of any document referenced herein should not be interpreted as limiting the applicability of the information contained in any document to “P25” or “Project 25” implementations exclusively. This document was developed by the TR-8.15 Common Air
27、Interface Subcommittee and provides a specification of the Conventional Procedures for TIA-102 Conventional LMR systems. The 3rdedition (Revision B) of this document revised the Conventional Procedures specific to TIA-102 Packet Data to ensure the procedures are complete in order to facilitate inter
28、operability and the development of packet data test documents. The revision also removed the Packet Data Logical Link Control Procedures which are now published in TIA-102.BAED and incorporated errata updates. This document cancels and replaces TIA-102.BAAD-A. There are four annexes in this document
29、. Annexes A, B, C, and D are informative and are not considered part of this specification. TIA does not evaluate, test, verify or investigate the information, accuracy, soundness, or credibility of the contents of the Document. In Publishing the Document, TIA disclaims any undertaking to perform an
30、y duty owed to or for anyone. Some aspects of the specifications contained in this document may not have been fully operationally tested; however, a great deal of time and good faith effort has been invested in the preparation of this document to ensure the accuracy of the information it contains. T
31、IA-102.BAAD-B ii Patent Identification The readers attention is called to the possibility that compliance with this document may require the use of one or more inventions covered by patent rights. By publication of this document, no position is taken with respect to the validity of those claims or a
32、ny patent rights in connection therewith. The patent holders so far identified have, we believe, filed statements of willingness to grant licenses under those rights on reasonable and nondiscriminatory terms and conditions to applicants desiring to obtain such licenses. The following patent holders
33、and patents have been identified in accordance with the TIA intellectual property rights policy: No patents have been identified TIA shall not be responsible for identifying patents for which licenses may be required by this document or for conducting inquiries into the legal validity or scope of th
34、ose patents that are brought to its attention. TIA-102.BAAD-B iii Table of Contents 1 Introduction . 1 1.1 Scope . 2 1.2 References . 4 1.2.1 Normative References 4 1.2.2 Informative References 4 1.3 Acronyms and Abbreviations 4 1.4 Definitions . 5 1.5 Conventions . 6 1.5.1 Aliases 6 1.5.2 Symbols 6
35、 2 Conventional Channels 7 2.1 Organization of Channels . 7 2.1.1 Formats (Informative) . 7 2.1.1.1 Voice Format (Informative) . 7 2.1.1.2 Data Format (Informative) 7 2.1.1.3 Supplementary Data Format (Informative) . 7 2.2 Channel Discipline for the FNE. 7 2.3 Channel Discipline for the SU . 8 2.4 C
36、all Termination . 8 2.4.1 FNE Transmission Termination 8 2.5 Network Access Code and Repeater Addressing . 9 2.6 Status Symbols. 11 3 Repeater Operation 13 3.1 AFC Operation 15 4 Channel Access Procedures . 16 4.1 Channel Access for Voice Transmission 16 4.2 Transmission of the Conventional TSBK 17
37、4.2.1 Non Emergency Alarm SD Requests . 17 4.2.2 Emergency Alarm SD Requests . 18 4.2.3 Transmission of SD Acknowledgements 20 4.3 FNE Transmission of the Conventional TSBK 21 4.3.1 FNE Transmission of Non Emergency Alarm SD Requests . 21 4.3.2 FNE Transmission of SD Acknowledgements 21 5 Convention
38、al Registration Procedures 22 5.1 Conventional Unit and Group Addressing 22 6 Voice Call Procedures 23 6.1 Routine Group Call Procedures 24 6.1.1 SU to Group Voice Transmission . 24 6.1.1.1 Originating SU Actions . 24 6.1.1.2 FNE Response . 25 TIA-102.BAAD-B iv 6.1.1.3 Receiving Subscriber Unit Acti
39、ons 26 6.1.1.4 Call Termination 28 6.1.1.4.1 FNE Response . 28 6.1.1.4.2 Receiving SU Actions . 28 6.1.2 FNE to Group Voice Transmission . 28 6.2 Emergency Call Procedure . 28 6.2.1 SU to Group Voice Emergency Call Transmission . 29 6.2.1.1 FNE Response to Emergency Call Group Voice Transmission 29
40、6.2.1.2 Receiving Subscriber Unit Actions 29 6.2.1.3 Call Termination 29 6.2.1.3.1 FNE Response . 29 6.2.1.3.2 Receiving SU Actions . 30 6.2.2 FNE to Group Voice Emergency Call Transmission . 30 6.3 All Call (System Wide Call) . 30 6.4 Unit-to-Unit Call Procedure . 30 6.4.1 SU Sourced Unit-to-Unit V
41、oice Transmission . 30 6.4.1.1 Originating SU Actions 30 6.4.1.2 FNE Response . 31 6.4.1.3 Receiving Subscriber Unit Actions 31 6.4.1.4 Call Termination 32 6.4.1.4.1 FNE Response . 32 6.4.1.4.2 Receiving SU Actions . 32 6.4.2 FNE Sourced Unit-to-Unit Voice Transmission . 32 6.5 Unit to PSTN Call Pro
42、cedure 32 6.5.1 Unit to PSTN Service Request 33 6.5.1.1 FNE Response . 33 6.5.1.2 Subscriber Unit Actions . 33 6.5.2 Traffic Channel Maintenance 34 6.5.3 Call Termination 34 6.5.3.1 Subscriber Unit Actions . 34 6.5.3.2 FNE Actions 34 6.6 PSTN to Group Call Procedure . 34 6.6.1 FNE Action 35 6.6.2 SU
43、 Response 35 6.6.3 Conventional Channel Maintenance . 35 6.6.4 Call Termination 35 6.7 PSTN to Unit Call Procedure 35 6.7.1 PSTN to Unit Service Request 35 6.7.1.1 Availability Check on Called Party 35 6.7.2 Traffic Channel Maintenance 36 6.7.3 Call Termination 36 6.7.3.1 Subscriber Unit Actions . 3
44、6 6.7.3.2 FNE Actions 36 7 Conventional Packet Data Procedures . 38 7.1 Channel Access for Packet Data Transmission 38 7.1.1 RECEIVE IDLE State 39 TIA-102.BAAD-B v 7.1.2 RECEIVE FS AND NAC State 39 7.1.3 FS AND NAC SEEK State 39 7.1.4 WAIT RANDOM TIME T_SHORT State . 40 7.1.5 WAIT FOR END OF MICRO-S
45、LOT State . 40 7.1.6 RANDOM BACKOFF DELAY State 40 7.1.7 TRANSMIT PACKET State 40 7.1.8 Channel Access Parameters 40 7.2 Receiver NAC Qualification 41 7.3 Packet Data Conveyance . 41 8 Supplementary Data Procedures 42 8.1 Emergency Alarm Procedures 42 8.1.1 Overview 42 8.1.2 Emergency Alarm Request
46、. 43 8.1.3 Emergency Alarm Cancellation 44 8.2 Call Alert Procedures 44 8.2.1 Initial Call Alert Sourced by a Mobile SU 45 8.2.1.1 Mobile Subscriber Unit Actions . 45 8.2.1.2 FNE Response . 45 8.2.1.3 Initiating Mobile Subscriber Unit Actions 45 8.2.1.4 Target Subscriber Unit Actions . 45 8.2.1.5 FN
47、E Response to ACK_RSP_FNE Sourced by an SU 45 8.2.2 Initial Call Alert Sourced by the FNE 46 8.2.2.1 FNE Actions . 46 8.2.2.2 Target Subscriber Unit Actions . 46 8.2.2.3 FNE Response to ACK_RSP_FNE Sourced by an SU 46 8.3 Radio Check Procedures 46 8.3.1 Initial Radio Check Sourced by the FNE 47 8.3.
48、1.1 FNE Actions . 47 8.3.1.2 Target Subscriber Unit Actions . 47 8.3.2 Initial Radio Check Sourced by a Mobile SU 47 8.3.2.1 Initiating Subscriber Actions . 47 8.3.2.2 Receiving FNE Actions . 48 8.3.2.3 Target Subscriber Unit Actions . 48 8.4 Radio Inhibit Procedures 48 8.4.1 FNE Actions . 49 8.4.2
49、Target Subscriber Unit Actions . 49 8.5 Radio Uninhibit Procedures 50 8.5.1 FNE Actions . 50 8.5.2 Target Subscriber Unit Actions . 50 8.6 Message Update Procedures . 51 8.6.1 Initial Message Update Sourced by a Mobile SU . 51 8.6.1.1 Mobile Subscriber Unit Actions . 51 8.6.1.2 FNE Actions . 51 8.6.1.3 Initiating Mobile Subscriber Unit Actions 51 8.6.1.4 Target Subscriber Unit Actions . 52 8.6.1.5 FNE Response to ACK_RSP_FNE Sourced by an SU 52 TIA-102.BAAD-B vi 8.6.2 Initial Message Update Sourced by the FNE 52 8.6.2.1 FNE Actions 52 8.6.2.2 Target Subscriber Unit Actions . 52 8.6.2
