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Design of Hybrid V2X Communication Module for Cooperative Automated Driving

자율협력주행을 위한 하이브리드 V2X 통신모듈 설계

  • Lim, Ki-taeg (Mobility Platform Research Center, Korea Electronics Technology Institute) ;
  • Jin, Seong-keun (Mobility Platform Research Center, Korea Electronics Technology Institute) ;
  • Kwak, Jae-min (Division of Navigation Information System, Mokpo National Maritime University)
  • 임기택 (전자부품연구원 모빌리티플랫폼 연구센터) ;
  • 진성근 (전자부품연구원 모빌리티플랫폼 연구센터) ;
  • 곽재민 (목포해양대학교 항해정보시스템학부)
  • Received : 2018.05.17
  • Accepted : 2018.06.19
  • Published : 2018.06.30

Abstract

In this paper, we propose a design method and process for hardware and software of hybrid V2X communication module that supports both C-ITS communication protocol designed for vehicle environment and Legacy LTE communication technology. C-ITS is suitable for safety service applications due to its low latency characteristics, and Legacy LTE is a technology suitable for non-safety applications such as traffic information and infotainment due to high latency and high capacity. The hybrid V2X communication module supports multiple communication technologies of WAVE and LTE, in which WAVE supports multiple channels, so that it is designed to transmit road information such as LDM and positioning correction information to an autonomous vehicle in real time. The main design results presented in this paper will be applied to the implementation of future hybrid V2X communication terminals for vehicles.

본 논문에서는 차량 환경에 적합하게 설계된 C-ITS 통신프로토콜과 이동 통신 프로토콜인 Legacy LTE 통신 기술을 함께 지원하는 하이브리드 V2X 통신모듈의 하드웨어 및 소프트웨어에 대한 설계 방안을 제안하고 설계과정을 제시한다. C-ITS는 저 지연 특성으로 인해 안전 서비스 어플리케이션에 적합하며, Legacy LTE는 고지연, 고용량 특성으로 인해 교통정보, 인포테인먼트와 같은 비 안전 어플리케이션에 적합한 기술이다. 하이브리드 V2X 통신 모듈은 복수의 통신기술로 WAVE와 LTE를 지원하고, WAVE에 대해서는 복수채널 통신을 지원하여, 자율주행 차량에 LDM, 측위보정정보 등의 도로정보를 실시간으로 전달하기 위한 목적으로 설계된다. 본 논문에 제시된 주요 설계 결과는 향후 차량용 하이브리드 V2X 통신 단말기 구현에 적용될 예정이다.

Keywords

References

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Cited by

  1. 상용차 자율 군집 주행 평가를 위한 하이브리드 V2X 통신 플랫폼 설계 vol.24, pp.6, 2018, https://doi.org/10.12673/jant.2020.24.6.521