Numerical Study on Path Loss Characteristics Considering Antenna Positions on Car Body at Blind Intersection in Urban Area for Inter-Vehicle Communications Using 700MHz Band

DOI 機関リポジトリ Web Site 参考文献6件 オープンアクセス
  • IMAI Suguru
    Department of Electrical and Electronic Engineering, Kitami Institute of Technology
  • TAGUCHI Kenji
    Department of Electrical and Electronic Engineering, Kitami Institute of Technology
  • KAWAMURA Takeshi
    Department of Electrical and Electronic Engineering, Kitami Institute of Technology
  • KASHIWA Tatsuya
    Department of Electrical and Electronic Engineering, Kitami Institute of Technology

抄録

In the development of inter-vehicle communication systems for the prevention of car crashes, it is important to know radio propagation characteristics at blind intersections. In field experiments and numerical simulations to investigate radio propagation characteristics, a half wavelength dipole antenna is assumed to be the wave source in many cases. However, a directivity of car antenna is changed by the effect of both car body and antenna position on car. In this paper, path loss characteristics considering antenna positions on car body at a blind intersection in urban area for inter-vehicle communications using 700MHz band are investigated. Additionally, simplified car models are proposed for the efficient analysis of radio propagation. Here, the hybrid method using both FDTD and ray-tracing methods is used for the radio propagation analysis.

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