The Journal of The Korea Institute of Intelligent Transport Systems (한국ITS학회 논문지)

The Korea Institute of Intelligent Transport Systems (한국ITS학회)
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Link Budget of WAVE Communication System for a Reliable ITS Service under Highway Environments

고속도로 환경에서 안정적인 ITS서비스를 위한 WAVE 통신 시스템 link budget 분석

  • Received : 2015.06.10
  • Accepted : 2015.08.18
  • Published : 2015.08.31
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Abstract

The era of intelligent transportation system(ITS) has been arrived by applying information and communication technology(ICT) to the traffic. One of these technological advances is a wireless communication technology for a high speed vehicle to be connected to an infrastructure(V2I). A variety of road traffic safety services and operator comfort services are being developed by means of WAVE(Wireless Access in a Vehicular Environment) based on IEEE802.11p Standard. In this paper, the link budget is analyzed to provide a reliable quality of these ITS services. Log-distance model and two-ray model is employed for the wave propagation path loss model which is adequate for a highway environment. Reliable cell coverage is suggested for ITS services from the link budget.

ICT기술이 차량 교통 시스템에 적용되면서 스마트한 도로 교통 시대(ITS)가 열리고 있다. 이러한 기술적 진보를 가져온 요소 중 하나는 고속으로 이동하는 차량과 인프라 간의 통신기술이다. IEEE802.11p기반의 WAVE 통신기술을 적용하여 도로교통의 다양한 안전서비스들과 운전자 편의 서비스들이 개발되고 있다. 본 논문에서는 이러한 ITS 서비스들의 품질을 보장하기 위해 필요한 link budget 분석을 수행하였다. 고속도로 환경에 적합한 경로손실 모델로 자유공간 모델과 two-ray모델을 통한 비교 분석을 통해 안정적인 통신 서비스가 가능한 셀 커버리지를 분석하였다.

Keywords

References

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Cited by

  1. WAVE Communication-based V2I Channel Modeling vol.40, pp.10, 2016, https://doi.org/10.5916/jkosme.2016.40.10.899