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The Overview of Chinese Cooperative Intelligent Transportation System Vehicular Communication Application Layer Specification and Data Exchange Standard
Yijia Feng, Dazhi He, Lei Niu, Ming Yang, Yunfeng Guan
Vehicle-to-anything (V2X) communication is considered worldwide to be an appropriate technology to enable a large number of the intelligent transportation system (ITS) applications for traffic safety and efficiency. However, since there is no completed underlying V2X communication standard in China, it is difficult for Chinese automotive enterprises and research institutions to develop ITS applications in large scale. Therefore, the Society of Automotive Engineers of China (C-SAE) together with China ITS Industry Alliance (C-ITS) decided to develop Application Layer Specification and Data Exchange Standard first to motivate the development of the Chinese cooperative intelligent transport system industry. This paper introduces the details of the Chinese Cooperative Intelligent Transportation System Vehicular Communication Application Layer Specification and Data Exchange Standard. Included in the discussion are the description of the application scenarios and their technique requirements, the summary of the message set in the data exchange standard, and the design of the application layer data interactive interfaces. It is noteworthy that the message set in this standard is complete for the included application scenarios and the designed application layer interfaces are compatible with the underlying V2X communication protocols like DSRC and LTE-V. Finally, several directions worth further consideration are suggested for future standardization.
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