Quality analysis of CSMA/CA communications in inter-vehicle communication services

  • Authors:

  • Satoshi Imai;Kazumasa Ushiki;Nobutsugu Fujino;Mamoru Machida;Masayoshi Moriya;Seii Sai

  • Affiliations:

  • FUJITSU Laboratories Ltd., Kamikodanaka, Nakahara-ku Kawasaki Japan;FUJITSU Laboratories Ltd., Kamikodanaka, Nakahara-ku Kawasaki Japan;FUJITSU Laboratories Ltd., Kamikodanaka, Nakahara-ku Kawasaki Japan;FUJITSU Laboratories Ltd., Kamikodanaka, Nakahara-ku Kawasaki Japan;FUJITSU Laboratories Ltd., Kamikodanaka, Nakahara-ku Kawasaki Japan;TOYOTA InfoTechnology Center Co., Ltd., Akasaka, Minato-ku Tokyo Japan

  • Venue:
  • Proceedings of the 4th International Conference on Uniquitous Information Management and Communication
  • Year:
  • 2010

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Abstract

Recently, inter-vehicle communication services which support safe driving have been attracting significant. CSMA/CA is a representative communication method in inter-vehicle communications. It is necessary to clarify the quality characteristics of inter-vehicle communication in order to achieve driving support. Although there are conventional models for CSMA/CA which are derived using an ideal environment, they are not consistent with behavior in actual inter-vehicle communication. This paper proposes a mathematical model that can analyze communication quality between the specific vehicles by dealing with the discrepancies between conventional theory and practice. Furthermore, we analyze communication performance between vehicles in specific accidents using the proposed model.