1、 TIA-102.BAAB-B-2005 APPROVED: MARCH 24, 2005 REAFFIRMED: JANUARY 29, 2013 TIA-102.BAAB-B March 2005Project 25 Common Air Interface Conformance Test NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers
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22、CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-102.BAAB i Foreword This foreword is not part of this document. This standard is being promulgated and will be maintained by the TR-8.15 Common Air Interface Subcommittee as part of the effort of TR-8 Private Radio Technical Standa
23、rds committee under the sponsorship of the Telecommunications Industry Association. Generally, the Project 25 Common Air Interface Conformance Test and various elements thereof have been developed by TIA TR-8.15 to be consistent with the Statement of Requirements adopted by the Project 25 Steering c
24、ommittee. This Standards family includes and borrows heavily from the combined work of various industry and government agency representatives organized under the TIA Project 25 Ad Hoc Interface Committee. This document presumes that APCO/NASTD/FED will establish an overall Project 25 System standard
25、 or specification. It further presumes that TIA will set standards based upon the APCO/NASTD/FED Project 25 standards or specifications. This standard provides the Common Air Interface Conformance Test which provides information needed to subject the Project 25 FDMA Common Air Interface to a conform
26、ance test. While all reasonable efforts have been made to ensure the accuracy of this document, it should be understood that work continues in fully developing the Project 25 family of standards and that this document will be updated as necessary to ensure an accurate representation of Project 25 sy
27、stems as other implementation requirements become available. The readers attention is called to the possibility that compliance with the APCO/NASTD/FED Project 25 Standard or any TIA standard for equipment conforming to the APCO/NASTD/FED Project 25 Standard may require the use of one or more invent
28、ions covered by patent rights. By publication of those standards, if any, no position is taken with respect to the validity of those claims or any patent rights in connection therewith. The patent holders so far identified have, however filed statements of willingness to grant licenses under those r
29、ights on reasonable and nondiscriminatory terms and conditions to applicants desiring to obtain such licenses. Details may be obtained from the publisher. TIA-102.BAAB ii THIS PAGE INTENTIONALLY LEFT BLANK. TIA-102.BAAB iii Table of Contents 1. Scope .1 2. History and References 2 3. Description3 4.
30、 Test Parameters.5 4.1 Network Access Codes5 4.2 Status Symbols6 4.3 Link Control Fields .6 4.3.1 Talk Group IDs.6 4.3.2 Source and Destination IDs6 4.3.3 Emergency Bit6 4.3.4 Manufacturers ID.6 4.4 Encryption Fields .7 4.5 Low Speed Data 7 4.6 IMBE Voice 7 4.7 Data Packet Fields.8 4.8 Null Bits8 5.
31、 Transmit Voice Format Tests9 5.1 Transmit Modulation Test 9 5.1.1 C4FM Transmit Polarity .9 5.1.2 Modulation Fidelity .10 5.1.3 CQPSK Transmit Polarity.10 5.2 Network Access Code Test11 5.3 Status Symbol Test11 5.4 Unencrypted Voice Header12 5.5 Unencrypted Link Data Unit 1 12 5.6 Unencrypted Link
32、Data Unit 2 13 5.7 Silent Audio13 6. Transmit Data Format Tests.14 6.1 Confirmed Data Packets14 6.2 Response Packets.14 6.3 Unconfirmed Data Packets 15 7. Receiver Tests16 7.1 Voice Receiver Tests.16 7.2 Data Receiver Tests 18 Annex A. Test Modules 21 A.1 Conventions 21 A.2 Primitive Modules 21 A.2.
33、1 BCH Code Module.22 A.2.2 CRC Code Module.24 A.2.3 Cyclic Code Module.26 A.2.4 Golay Code Module .28 A.2.5 Hamming Code Module .30 A.2.6 Reed-Solomon Code Module.32 A.2.7 Trellis Code Module.36 A.2.8 Voice Code Module .39 A.2.9 File Input Module .43 A.2.10 Vector Operation Module.45 TIA-102.BAAB iv
34、 A.3 Voice Data Unit Programs. 47 A.3.1 Voice Header Data Unit. 47 A.3.2 Voice Link Data Unit 1. 50 A.3.3 Voice Link Data Unit 2. 53 A.3.4 Voice Terminator . 56 A.4 Data Packet Programs 58 A.4.1 Confirmed Data Packet . 58 A.4.2 Response Data Packet 62 A.4.3 Unconfirmed Data Packet 65 Annex B. Test V
35、ectors 69 B.1 Network Access Code Test Vectors 69 B.2 Status Symbol Test Vectors 72 B.3 Unencrypted Voice Header Test Vectors 78 B.4 Unencrypted Link Data Unit 1 Test Vectors 86 B.5 Unencrypted Link Data Unit 2 Test Vectors 116 B.6 Silent Audio Test Vectors 120 B.7 Confirmed Data Packet Test Vectors
36、 122 B.8 Response Packet Test Vectors. 130 B.9 Unconfirmed Data Packet Test Vectors 132 B.10 Voice Receiver Test Vectors. 135 B.11 Data Receiver Test Vectors 137 TIA-102.BAAB v Terminology A Acknowledgment request bit in a data packet. A=1 to request an ACK. ALGID Algorithm Identifier for an encrypt
37、ion algorithm C4FM Compatible 4-level FM version of QPSK-c modulation CQPSK Compatible QPSK version of QPSK-c modulation CRC Cyclic Redundancy Check; data packets have several CRCs Dibit Two bits grouped together to represent a 4-level symbol DUID Data Unit Identifier ES Encryption Synchronization i
38、nformation FMF Full Message Flag in data packet. FMF=1 for a full message. FS Frame Synchronization to mark the first information bit FSNF Fragment Sequence Number Field in a data packet. Golay Name of a standard error correction code IMBE Improved Multi-Band Excitation coder for voice IO Inbound /
39、Outbound bit in a data packet. IO = 0 for inbound. KID Key Identifier LC Link Control information LCF Link Control Format identifier LDU Link Data Unit, there is an LDU 1 and LDU 2 for voice LLID Logical Link Identifier, can be either a source or destination ID. LSD Low Speed Data embedded in voice
40、MFID Manufacturers Identifier MI Message Indicator NAC Network Access Code NID Network Identifier, contains the NAC and DUID N(S) Sending Number for a data packet, to distinguish duplicate packets. Octet Eight bits grouped together, also called a byte QPSK-c Compatible Quadrature Phase Shift Keying
41、family of modulations RS Reed-Solomon error correction code SAP Service Access Point, where a network provides a service SS Status Symbol to represent whether a channel is busy or idle TGID Talk Group Identifier VC Voice Code word, encodes 20 ms of speech with IMBE TIA-102.BAAB vi This page intentio
42、nally left blank. TIA-102.BAAB 1 1. Scope This document lists a series of conformance tests for the Common Air Interface, defined in reference 2. These tests are intended to assure that equipment actually conforms to the formats specified in the Common Air Interface. The object of the conformance te
43、sts is to assure that equipment may be interoperable with other equipment conforming to the standard. These tests are different and distinct from performance tests, given in reference 5, which measure the actual limits of equipment performance. The performance and conformance tests are mutually comp
44、lementary. These tests are also different and distinct from lock down tests, which are intended to demonstrate interoperability between different radios. These conformance tests are intended to precede lock down tests. These tests are generally intended to be applied by a manufacturer to a product i
45、mplementation to verify that it conforms to the Common Air Interface. These tests only apply to radio products, particularly portable and mobile radios and base stations or repeaters. Some of the tests are designed to apply to transmitters, by specifying the transmit signal under a representative se
46、t of transmitter conditions. Other tests are designed to apply to receivers, by defining a standard test signal, and then specifying the minimum response of the receiver to the test signal. The specific test cases for the transmitter tests are selected to exercise the encoders for the various codes
47、used in the Common Air Interface. In general the transmitter tests can be applied to a receiver by exciting the receiver with the test signals and then measuring the receivers response. The required response of the receiver to the transmitter test signals in not defined in this document, but it may
48、be inferred from the information content of the test signal, the conditions of the test signal, and the operating characteristics of the receiver. The specific test cases and conditions for the receiver tests are selected to exercise the error correcting and detecting mechanisms in the receiver. TIA
49、-102.BAAB 2 2. History and References February 25, 1993, P25.930225.1.0, contained the Scope and Description. August 3, 1993, P25.930225.1.1, included test vectors. September 17, 1993, P25.930225.1.2, corrected software defects. March 7, 1994, P25.930225.1.3, added receiver tests. May 3, 1994, P25.930225.1.4, moved test vectors into an appendix. Version A, February 8, 1995, removed IMBE mute test vector and updated some software to be more independent of the computer hardware. This version was not published. Version B, April 7, 1995, added modulation fidelity test, published
