Analysis of the optimum configuration of roadside units and onboard units in dedicated short-range communication systems

Wern Yarng Shieh, Wei-Hsun Lee, Shen Lung Tung, Bor Shenn Jeng, Cheng Hsin Liu

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

With the aid of a simple relation, which is analogous to the radar equation, the uplink signal strength received by the receiving module of a roadside unit (RSU) and emitted from the radiation module of an onboard unit (OBU) can be described. Setting the scale of this relation arbitrarily and determining the signal strength threshold from experimental measurements, and combined with the simulation of the radiation and the receiving pattern by cosinen function, the relative signal strength emitted from the OBU and received by the RSU can be calculated successfully. From this computed relative signal strength and the threshold, the influence of the RSU and OBU mounting parameters, such as the mounting angles and mounting height, on the available communication region is analyzed. The effect of windshield fading is also considered. With the help of the analysis results, an optimum RSU and OBU mounting configuration can be easily obtained. This method can be used conveniently and successfully for very short wavelengths. This includes visible light, infrared, and even submillimeter-wave ranges. For millimeter-wave and microwave systems, this method can, in some cases, also provide a rudimentary estimation.

Original languageEnglish
Pages (from-to)565-571
Number of pages7
JournalIEEE Transactions on Intelligent Transportation Systems
Volume7
Issue number4
DOIs
Publication statusPublished - 2006 Dec 1

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Electrical and Electronic Engineering

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