Communication protocol between road traffic signal controller and vehicle detectors
1 Scope
This document specifies the general principles, information formats, communication procedures, and message contents for the communication between road traffic signal controller and vehicle detectors.
This document is applicable to communications between road traffic signal controllers and both motor and non-motor vehicle detectors. It also serves as a reference for communications between road traffic signal controllers and pedestrian detectors.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 2260 Codes for the administrative divisions of the People's Republic of China
GB/T 2312 Code of Chinese graphic character set for information interchange - Primary set
GB/T 31418 Terminology of road traffic signal control system
GB/T 35789.1-2017 General specification for the electronic identification of motor vehicles - Part 1: Automobile
GA/T 16.4 Road traffic management information code - Part 4: Code of vehicle type
GA/T 16.7 Road traffic management information code - Part 7: Code of vehicle license plate
GA/T 543.5 The data elements for public security (5)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 31418 apply.
4 Abbreviations
For the purposes of this document, the following abbreviation applies.
CRC: Cyclical Redundancy Check
IP: Internet Protocol
TCP: Transmission Control Protocol
UDP: User Datagram Protocol
UTC: Coordinated Universal Time
Contents
Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 General principles
6 Information format
7 Communication procedures
8 Message content
Annex A (Normative) Communication procedures
Annex B (Normative) Information format
Annex C (Informative) Communication protocol between road traffic signal controller and pedestrian detectors
Bibliography
