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Police digital trunking communication system.Technical specifications for physical layer and data link layer of air interface
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GA/T 1057-2013
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Basic data | Standard ID | GA/T 1057-2013 (GA/T1057-2013) | | Description (Translated English) | Police digital trunking communication system.Technical specifications for physical layer and data link layer of air interface | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | A90 | | Classification of International Standard | 33.060.01 | | Word Count Estimation | 135,163 | | Date of Issue | 2013-03-20 | | Date of Implementation | 2013-03-20 | | Quoted Standard | GA/T 1056-2013; GA/T 1058-2013; GA/T 1059-2013 | | Regulation (derived from) | Industry standard filing notice 2014 No. 4 (total 172) | | Issuing agency(ies) | Ministry of Public Security | | Summary | This standard specifies the physical layer and data link layer specifications for the air interface of the PDT communication system, including the overall coordination architecture, interface definition in air interface, protocol data unit description, da | GA/T 1057-2013: Police digital trunking communication system.Technical specifications for physical layer and data link layer of air interface
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Police digital trunking communication system.Technical specifications for physical layer and data link layer of air interface
ICS 33.060.01
A90
People's Republic of China Public Security Industry Standards
Police Digital Trunking (PDT) communication system
Air interface physical layer and the data link layer specification
Issued on. 2013-03-20
2013-03-20 implementation
People's Republic of China Ministry of Public Security
Table of Contents
Preface Ⅸ
Introduction Ⅹ
1 Scope 1
2 Normative references 1
3 Terms, Definitions and Abbreviations 1
3.1 Terms and definitions
3.2 Abbreviations 2
4 Overview 3
4.1 protocol architecture 3
4.2 TDMA frame structure 5
4.3 timing reference 10
4.4 Basic channel type 11
5 physical layer 13
13 5.1 General Parameters
13 5.2 Modulation
6 Data Link Layer Protocol Description 18
6.1 Data link layer sequence 18
6.2 channel access 27
7 40 burst formats the data link layer
7.1 Overview of the data link layer burst format 40
7.2 Voice burst 40
7.3 data and control 41
7.4 Public Broadcasting channel burst 42
7.5 reverse channel burst 43
8 Data link layer control signaling format 44
8.1 Link Control frame structure 44
8.2 control signaling message frame structure 48
49 8.3 idle message structure
Over 8.4 message frame control structure 50
8.5 end voice encryption control frame structure 53
9 the data link layer protocol data packet 54
9.1 data fragmentation and reassembly 54
9.2 header frame structure 55
9.3 data frame structure 60
10 68 Protocol Data Unit
10.1 Voice, Data General, and public broadcasting channel PDU 68
10.2 Related PDU data definitions 70
10.3 Data Link layer information coding unit 78
Appendix A (normative) definition of the timer 90
Appendix B (normative) constant defines 92
Appendix C (Normative Appendix) FEC coding and CRC 93
Annex D (normative), and null fill idle message embedded message definition 121
1 PDT protocol stack structure of FIG. 4
Figure 2 TDMA timing 6
3 generic burst structure of FIG. 7
4 uplink TDMA frame structure of FIG. 7
Figure 5 downlink TDMA frame structure 8
Figure 6 uplink synchronization timing 9
7 9 downlink synchronization timing
8 access control instructions 10
Figure 9 CACH slot Timing 10
Traffic channel 10 with public broadcasting channel 11
FIG traffic channel 11 with the guard time 12
12 bidirectional channel 12
Figure 13 4FSK modulator 14
14 TDMA frame format 14
15 Burst power limit envelope 15
16 Burst symbol timing 16
17 reverse channel burst power waveform 17
18 reverse channel burst symbol timing 17
Figure 19 aligned channel mode 18
20 Offset channel mode 19
Figure 21 voice superframe 19
Voice control link 22 with the head 19
23 No link control head 20 the beginning of the speech
24 with link encryption instructions and voice control head head 20
Figure 25 indicates with voice encryption header 20
26 21 end of utterance
Figure 27 Single-head data transfer timing data 21
28 double data transfer timing data head 21
29 double time slot timing data transmission 21
Figure 30 Align Mode Timing 22
Figure 31 30ms delay mode timing offset 22
Figure 32 90ms delay mode timing offset 23
33 single-frequency base station timing 23
34 23 Direct Mode Timing
35 time division duplex voice timing 24
36 Voice continuous emission 24
Figure 37 continuous emission data 24
38 Embedded reverse channel timing 25
39 dedicated reverse channel timing 26
Figure 40 independent upstream reverse channel timing 26
Figure 41 through mode reverse channel timing 27
42 dual-band base station channel 28
43 single-frequency (bi) channel 28
Channel Access (Direct Mode) Figure 44 desynchronization under 31
45 channel access (passthrough mode) stall listening state 32
46 synchronized to the channel access unknown system state (through mode) 33
47 step loss channel access state (transfer mode) 34
Channel access (transfer mode) 48 out of synchronization state monitor 35
Figure 49 synchronized to the channel access (transfer mode) unknown system state 36
Figure 50 emission wake-up message (transfer mode) 37
FIG. 51 is not a call channel access (transfer mode) 38
52 other calls in the channel access (transfer mode) 39
53 non-real-time response control signaling channel access 40
54 Universal Voice burst 40
55 with sync-word voice burst 41
56 with embedded voice signaling burst 41 of FIG.
57 42 General Data Burst
FIG. 58 CACH burst 42
59 independent upstream reverse channel burst 43
Figure 60 Reverse downstream signaling burst 44
61 complete link control signaling structure 45
62 Short link control signaling structure 45
63 Voice Link Control header frame format 46
64 end of the frame 46 Link Control
Figure 65 downlink voice superframe 47
Figure 66 uplink speech superframe 48
67 Short link control signaling 48
68 control signaling message frame structure 49
Control signaling frame format Figure 69 49
Figure 70 Idle message format 50
Figure 71 MBC head frame structure 50 messages
Figure 72 MBC news intermediate frame structure 51
Figure 73 MBC end of the message frame structure 51
Figure 74 MBC head frame format 52
Figure 75 MBC intermediate frame format 52
Figure 76 MBC end of the frame format 53
77-end voice encryption control frame structure 53
78 Datagram split 54
79 56 General data header structure
Figure 80 no data to confirm the first frame structure 56
81 confirmation header frame structure 57
82 in response to the first frame structure 57
83 head of proprietary data structure diagram 58
84 status or pre-encoded short header frame structure 58
Head frame structure of 85 original short data packets 59
86 predefined format short header frame structure 59
87 Uniform Data Transfer header frame structure 60
No acknowledgment data frame structure 88 1/2 coding rate of 61
89 3/4 coding rate of unacknowledged data frame structure 62
Figure 90 without acknowledgment entire coding rate of the data frame structure 63
91 3/4 coding rate has to confirm the data frame format 63
92 1/2 coding rate has to confirm the data frame format 64
93 entire coding rate to confirm the data frame format 65
Figure 94 in response to a data frame structure 66
Figure 95 LC data signaling the end of the structure 67
Figure 96 UDT end of the data frame structure 67
Figure C.1 BPTC (196,96) 93
Figure C.2 embedded signaling BPTC format 98
Figure C.3 embedded signaling burst formats 99
Figure C.4 reverse channel coding format 100
Figure C.5 CACHBPTC encoding format 101
Figure C.6 CACH short link control encoding format information 102
Figure C.7 3/4 coding rate of a block diagram of a grid code encoder 103
Figure C.8 network code encoder modules Figure 104
Figure C.9 entire coding rate of the encoded data 107
Figure C.10 user data and padding bits 114-byte aligned
Figure C.11 user data and padding bytes of 8-bit words in accordance with a linear array of 114
Sort Figure C.12 CRC field 115
Figure C.13 3/4 coding rate confirmation number 116 user data bits
Figure C.14 CACH burst interleaver 120
Table 1 4FSK bit symbols corresponding to offset 13
Table 2 logical channels corresponding relationship between the uplink and downlink time slots 18
Table 3 defined data type information 53
Table 4 data frames carrying capacity 54
Table 5 FSN coding scheme 55
Table 6 response packet category, type, and state definitions 65
Table 7 synchronous PDU 68
Table 8 sync word 68
Table 9 embedded signaling (EMB) of the PDU contents 69
Table PDU contents 10 SlotType 69
PDU Table of Contents 11 reverse channel 69
Table PDU contents 12 TACT 69
Table 13 has confirmed that the first data frame (C_HEAD) content of PDU 70
Table 14 3/4 coding rate confirmation packet data (R_3_4_DATA) content of PDU 70
Table 15 3/4 coding rate no confirmation packet data (R_3_4_DATA) content of PDU 71
Table 16 3/4 coding rate confirmation packet data (R_3_4_DATA) content of PDU 71
Table 17 3/4 coding rate no confirmation packet data (R_3_4_DATA) content of PDU 71
Table 18 has confirmed that the response data packet header frame (C_RHEAD) content of PDU 71
Table 19 has confirmed that the response data packet data frame (C_RDATA) content of PDU 72
Table 20 no acknowledgment packet header frame (U_HEAD) content of PDU 72
Table 21 1/2 coding rate has to confirm the data frame (R_1_2_DATA) content of PDU 73
Table 22 1/2 coding rate no data to confirm the contents of the frame (R_1_2_DATA) 73
Table 23 1/2 coding rate has to confirm the data frame (R_1_2_LDATA) content of PDU 73
Table 24 1/2 coding rate unacknowledged frame (R_1_2_LDATA) content of PDU 74
Table 25 private data head frame (P_HEAD) content of PDU 74
Table 26 Status message header frame (SP_HEAD) content of PDU 74
Table 27 original short message header frame (R_HEAD) content of PDU 75
Table 28. Predefined data format short head frame (DD_HEAD) content of PDU 75
Uniform Data Transfer Data Table 29 head frame (UDT_HEAD) content of PDU 76
Uniform Data Transfer Data Table 30 end of the frame (UDT_LDATA) content of PDU 76
Table 31 full-frame coding rate of confirmation (R_1_DATA) content of PDU 77
Table 32 full-rate coding unacknowledged data frame (R_1_DATA) content of PDU 77
Table 33 full-rate coding data confirm end of the frame (R_1_LDATA) content of PDU 77
Table 34 entire coding rate no data to confirm the end of the frame (R_1_LDATA) content of PDU 77
Table 35 Data Link Control end frame (TD_LC) content of PDU 78
Table 36 color code (CC) of content 78
Table 37 encryption indication (PI) information content 79
Table 38 Link Control start/stop (LCSS) information content 79
Information table of contents feature set ID 39 79
Table 40 data type (DT) of content 80
Table 41 access type (AT) information content 80
Table 42 TDMA channel information (TC) content of 80
Table 43 protection flag (PF) information content 81
Table 44 complete link control command code (FLCO) information content 81
Table 45 Short link control command code (SLCO) information content 81
Table 46 individual call or group call address mark (IG) of content 81
Table 47 in response to a request identifier (A) of content 82
Table 48 Data Packet Format (DPF) 82 of the information content
Table 49 identifies the header compression (HC) content of 82
Table 50 Service Access Point (the SAP) content of 83
Table 51 Logical Link ID (LLID) content of 83
Table 52 identifies the complete message (FMF/F) information content 83
Table 53 subsequent frames (BF) of the information content 83
Table 54 indicates the end of data (DEI) of content 84
Table 55 identifies the resynchronization (S) content of 84
Table 56 send sequence number N (S) content of 84
Table No. 57 (FSN) of content 85
Table 58 Data frame number (DBSN) content of 85
Table 59 response categories (Class) of content 85
Table 60 Response type (Type) of content 85
Table 61 Response Status (Status) of content 86
Table 62 controls the signaling frame end identification (LB) of content 86
Table 63 control signaling command code (CSBKO) information content 86
Table 64 Additional data frames (AB) of content 86
Table 65 Source Port (SP) of the information content 86
Table 66 Destination Port (DP) of content 87
Table 67 Status/precoded (S_P) information content 87
Table 68 selective automatic repeat request (SARQ) content of 87
Table 69 predefined format data (DD) of content 87
Table 70 Uniform Data Transfer Format (UDTFormat) information content 88
Uniform Data Table 71 additional data frames (UAB) information content 89
Table 72 identifies the supplementary service (SF) of content 89
Table of contents 734 bit stuffing number 89
Table B.1 default threshold 92
Table C.1 BPTC (196,96) interleaved index table 94
Table C.2 BPTC (196,96) transmission bit sequence 96
Table C.3 reverse channel coding interleaving index 100
Table C.4 reverse channel encoded bit transmission order table 100
Table C.5 grid code codeword size 103
Table C.6 grid coder state transition table 104
Table C.7 constellation value (Constelation) with a double-bit pair (dibitpair) mapping table 104
Table C.8 3/4 coding rate trellis coded interleaving scheme 105
Table C.9 3/4 coding rate trellis code transmission order 106 bits
Table C.10 entire coding rate of the encoded data 107 filling
Table C.11 entire coding sequence of the transmission bit rate encoding 108
Table C.12 generation matrix Gray (20,8,8) code 110
Table C.13 quadratic (square) the remaining code QR (16,7,6) generation matrix 110
Table C.14 generation matrix Hamming (17,12,3) code 111
Table C.15 generation matrix Hamming (13,9,3) code 111
Table C.16 generation matrix Hamming (15,11,3) code 112
Table C.17 generation matrix Hamming (16,11,4) code 112
Table C.18 generation matrix Hamming (7,4,3) code 112
Generating matrix C.19 RS (15,12,4) code 117
Table C.20 index table. B = αE 118
Table C.21 logarithm tables. E = lg (B) 119
Table C.22 each DT corresponding CRC/RS 120 Initial
Table D.1 null padding embedded messaging 121
Table D.2 idle message 121
Foreword
This standard is one (PDT) communication system specification standard series Police Digital Trunking. The name of the family structure and standard documents
It is expected as follows.
--- Police (PDT) communication system overall technical specification for digital trunking;
--- Police (PDT) communication system air interface physical layer and the data link layer specification for digital trunking;
--- Police Digital Trunking (PDT) communication system, the air interface call control layer specification;
--- Police (PDT) Communication Systems Security Technical Specification for digital trunking;
--- Police mobile terminal technical specification for digital trunking (PDT) communication system;
--- Police (PDT) communication system interconnect technology specification for digital trunking;
--- Police (PDT) communication system test specification for digital trunking technology.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.
The standard proposed by the Ministry of Science and Technology Information Bureau.
This standard by the Ministry of Public Communications Standardization Technical Committee.
This standard was drafted. the Ministry of Science and Technology Information Bureau, Hytera Communications Co., Ltd., Hangzhou Cheng Communication Technology Co., Ltd., the public
Abe First Research Institute of Stavanger Beijing Digital Technology Co., Neolink Communication Technology (Hangzhou) Co., Ltd., Shenzhen Electronics Co. KIRISUN
Company, Guangzhou Weide Technology Co., Ltd. Shenzhen Tian Li Tong Information Technology Co., Ltd., Beijing Science and Technology Co., Ltd. Noda letter, Chaoyang
Zone digital trunking standard research center.
The main drafters of this standard. Ma Xiaodong, Li Jiang, Mi Lei Song Feihao, Sun Pengfei, SONG Zhen Su, Rong Jun, Liu Qingjiang, Jiang Qingsheng, Wang Weimin,
Zhuzhen Rong, Liang Yansheng, Liu Jun.
Introduction
In order to regulate the public security organs digital trunking mobile communications system technology system to achieve different vendors to provide systems, interoperability between the mobile station
, And satisfy public security wireless communications security encryption, the national network and MPT1327 simulation colony system a smooth transition to digital trunking system from
Requirements to promote public security organs nationwide digital wireless communications construction, formulated standards.
Based on this standard digital trunking communication device having a large area system, wide coverage, you can smooth the transition to digital from analog, with domestic operator password
Encryption method, with independent intellectual property rights and other features and advantages.
Police Digital Trunking (PDT) communication system
Air interface physical layer and the data link layer specification
1 Scope
This standard specifies the Police Digital Trunking (PDT) communication system air interface physical layer and the data link layer specification, including the overall co
Proposed framework empty mouth interface definition, protocol data unit descriptor, content, data protocols, applications and services.
This standard applies to police digital trunking (PDT) communication system design, manufacture and acceptance.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GA/T 1056-2013 Police (PDT) communication system overall technical specification for digital trunking
GA/T 1058-2013 Police Digital Trunking (PDT) communication system, the air interface call control layer specification
GA/T 1059-2013 Police (PDT) Communication Systems Security Technical Specification for Digital Trunking
3 Terms, definitions and abbreviations
3.1 Terms and Definitions
GA/T 1056-2013 and defined the following terms and definitions apply to this document.
3.1.1
Forward channel forwardchannel
In passthrough mode, a call is originated by a party to the channel receiver.
3.1.2
Backward channel backwardchannel
In pass-through mode, the call recipient to the initiator of the channel.
3.1.3
1.1 mode 1.1mode
A business occupies a carrier mode.
3.1.4
2.1 mode 2.1mode
Two different time slots occupied by different services using a carrier wave pattern.
3.1.5
Double time slot data transmission 1.1modedatatransmission
In the data transmission process simultaneously occupy two slots of a carrier.
3.1.6
Passthrough mode directmode
The mobile station without using any intermediary device or with a plurality of other mobile stations operating mode communication.
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