GB/T 31024.2-2014 English PDF (GBT31024.2-2014)

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GB/T 31024.2-2014: Cooperation of roadside to vehicle -- Dedicated short range communications -- Part 2: Specification of medium access control layer and physical layer
GB/T 31024.2-2014
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 35.100
L 79
Cooperation of roadside to vehicle - Dedicated short
range communications - Part 2: Specification of
medium access control layer and physical layer
ISSUED ON: AUGUST 05, 2014
IMPLEMENTED ON: FEBRUARY 01, 2015
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 4 
Introduction ... 5 
1 Scope ... 6 
2 Terms and definitions ... 6 
3 Abbreviations ... 8 
4 System reference model ... 11 
5 Medium access control layer of communication mode with center node ... 12 
5.1 Overview ... 12 
5.2 Adaptation sublayer ... 13 
5.3 Medium access control sublayer ... 13 
5.4 On board unit state ... 14 
6 Medium access control frame formats of communication mode with center
node ... 17 
6.1 Common medium access control frame format ... 17 
6.2 Data frame ... 21 
6.3 Management control frame ... 22 
6.4 Group MAC protocol data unit (G-MPDU) ... 42 
7 Functions of medium access control layer of communication mode with center
node ... 43 
7.1 Adaptable sublayer ... 43 
7.2 Medium access control sublayer ... 44 
7.3 Network access process of on board unit ... 45 
7.4 Service flow management ... 49 
7.5 Resource request and resource allocation ... 54 
7.6 Service type and service quality ... 58 
7.7 Fragmentation and reassembly ... 60 
7.8 Retransmission mechanism ... 60 
7.9 Frame acknowledgement ... 61 
7.10 Link self-adaptation ... 62 
7.11 Quit network process ... 63 
7.12 Random backoff ... 64 
7.13 Power saving management ... 65 
7.14 Mobility management ... 69 
7.15 Exception handling ... 75 
7.16 System configuration parameters ... 78 
8 Medium access control layer of communication mode without center node 79 
8.1 Description of medium access control layer of communication mode without center node
... 79 
8.2 Medium access control layer frame structure of communication mode without center node
... 80 
9 Physical layer of communication mode with center node ... 83 
9.1 Basic parameters for frame structure and orthogonal frequency division complex ... 83 
9.2 Transmitter block diagram and signal processing flow ... 86 
9.3 Preamble sequence ... 103 
9.4 System information channel and control channel ... 105 
9.5 Uplink and downlink transmission channels ... 107 
9.6 Uplink and downlink sounding channels ... 114 
9.7 Uplink scheduling request channel ... 117 
9.8 Uplink random access or ranging channel ... 120 
9.9 Uplink power control ... 122 
9.10 Uplink ranging scheduling ... 123 
9.11 Indicator requirements for transmitter and receiver ... 124 
10 Physical layer of communication mode without center node ... 125 
10.1 Frame structure ... 125 
10.2 Basic parameters for orthogonal frequency division complex ... 126 
10.3 Transmitter block diagram and signal processing flow ... 127 
10.4 Preamble sequence ... 130 
10.5 System information channel ... 130 
10.6 Transmission channel ... 131 
Annex A (informative) Patent information involved in this Part ... 133 
Annex B (normative) Modulation and coding scheme parameters ... 135 
Annex C (normative) Demodulation pilot pattern ... 136 
Annex D (normative) Sounding pilot pattern ... 137 
Annex E (normative) Check matrix of low-density parity check code ... 138 
Bibliography ... 144 
Foreword
GB/T 31024 “Cooperation of roadside to vehicle - Dedicated short range
communications” is divided into the following 4 parts:
- Part 1: General technical requirement;
- Part 2: Specification of medium access control layer and physical layer;
- Part 3: Network layer and application layer specification;
- Part 4: Equipment application specification.
This Part is Part 2 of GB/T 31024.
This Part was drafted in accordance with the rules given in GB/T 1.1-2009.
This Part was proposed by and shall be under the jurisdiction of National
Technical Committee on Intelligent Transportation System of Standardization
Administration of China (SAC/TC 268).
The drafting organizations of this Part: Highway Research Institute of Ministry
of Transport, Beijing Xin'an Line Mobile Multimedia Technology Co., Ltd.,
Telecommunications Research Institute of the Ministry of Industry and
Information Technology, Beijing CCCC Guotong Intelligent Transportation
System Technology Co., Ltd., Institute of Electronic Technology Standardization,
Ministry of Industry and Information Technology.
Main drafters of this Part: Wang Xiaojing, Lei Jun, Song Xianghui, Yang Qi, Tang
Libo, Li Bin, Yan Zhigang, Yang Hong, Liu Shenfa, Wang Jing, Yan Desheng,
Liu Qianlei, Yao Huijuan, Yu Xiaoyan, Yang Yun, Wang Dongzhu, Yang Wenli,
Liu Hongwei, Mei Xinmin.
Introduction
The issuing authority of this document draws attention to the use of related
patents when declaring compliance with this document. See Annex A for
information on patents covered by this document.
The issuing authority of this document has no position on the authenticity,
validity and scope of the patent.
The patent holder has assured the issuing authority of this document that he is
willing to negotiate with any applicant on patent licenses under reasonable and
non-discriminatory terms and conditions. The patent holder's statement has
been filed with the issuer of this document. The patent related information can
be obtained through the following contact information:
Patent holder name: Beijing Newshore Mobile Multimedia Technology Co., Ltd.
Address: 16th Floor, Block A, Tsinghua Science and Technology Building,
Haidian District, Beijing
Contact: Zheng Xingwang
Tel: 010-82150688
Cooperation of roadside to vehicle - Dedicated short
range communications - Part 2: Specification of
medium access control layer and physical layer
1 Scope
This Part of GB/T 31024 specifies the technical requirements for medium
access control layer and physical layer of dedicated short-range
communications of cooperation of roadside to vehicle, including system
reference model, MAC layer frame format and MAC layer function of
communication mode with center node, MAC layer frame format and function
of communication mode without center node, physical layer parameters and
functions of communication mode with center node, physical layer parameters
and functions of communication mode without center node.
This Part is applicable to the wireless communication equipment between
vehicles of cooperative intelligent transportation system as well as the wireless
communication equipment between vehicle and road infrastructure.
2 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
2.1 MAC protocol data unit; MPDU
A data unit that is exchanged between two equivalent MAC entities by using
PHY layer service.
2.2 MAC management protocol data unit
A data unit that is exchanged between two equivalent MAC entities to
implement the MAC management protocol.
2.3 MAC service data unit
The information that is delivered as a unit between MAC service access points
(SAP).
2.4 road side unit
A functional entity that is installed on both sides of the road or on a mast, that
receives and sends information to OBU through dedicated short-range wireless
communication.
2.5 on board unit
A fun...