Propagation Analysis of Electromagnetic Waves in 700 MHz Band at Intersection for Inter-Vehicle Communications Using the FDTD Method

  • TAGUCHI Kenji
    Department of Electrical and Electronic Engineering, Kitami Institute of Technology
  • KASHIWA Tatsuya
    Department of Electrical and Electronic Engineering, Kitami Institute of Technology
  • OHSHIMA Kohzoh
    Department of Electrical and Computer Engineering, Asahikawa National College of Technology
  • KAWAMURA Takeshi
    Department of Electrical and Electronic Engineering, Kitami Institute of Technology

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Abstract

Inter-vehicle communication (IVC) system using 700MHz band to prevent car crashes has been proposed recently. In this paper, we first apply the FDTD method to the analyses of propagation characteristics at an intersection for IVC. We investigate the propagation characteristics considering the electrical conductivities, thickness and windows of building wall and pedestrians. As a result, it is shown that the electrical conductivities and thickness of building wall have a slight influence. In contrast, windows and pedestrians have a great influence on the propagation characteristics. Furthermore, the azimuth delay profiles are obtained by using the MUSIC algorithm.

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