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http://dx.doi.org/10.22680/kasa2022.14.1.045

Timing Data Optimize of Traffic Intersection C-ITS Message Set for LTE-based V2X in-vehicle Devices  

Park, Su-In ((주)세스트)
Seo, Woo-Chang ((주)세스트)
Yang, Eun-Ju ((주)세스트)
Seo, Dae-Wha (경북대학교)
Publication Information
Journal of Auto-vehicle Safety Association / v.14, no.1, 2022 , pp. 45-54 More about this Journal
Abstract
Recently, the introduction of Cooperative Intelligent Transport Systems (C-ITS) has been attempted to solve the limitation of only the sensor of the vehicle itself. For example, vehicles traveling at intersections can drive more safely through C-ITS. By using V2X communication of WAVE and LTE, the driver can receive the status and time of traffic lights. However, LTE has a larger transmission delay time than WAVE, so timimg data may not match in real time. In this paper, using the SPaT message, it was confirmed that LTE has a larger C-ITS service transmission delay time than WAVE. Finally, it was confirmed that the timing data of SPaT provided by LTE corrected by the algorithm is similar to SPaT provided by WAVE. It was confirmed that safer intersection driving is possible based on real-time.
Keywords
Vehicle to Every Things; Cooperative Intelligent Transport Systems; Infrastructure to Vehicle; latency; corrected timing;
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