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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41120

Title: Influence of the Shadowing to the Information Transmission Distance in Inter-Vehicle Communications
Authors: Pao-Jen Wang
Chi-Min Li
Hsueh-Jyh Li
Contributors: 國立臺灣海洋大學:通訊與導航工程學系
Keywords: knife-edge diffraction model
shadowing effect
inter-vehicle communication (IVC)
Date: 2009
Issue Date: 2017-02-08T08:31:20Z
Publisher: Personal, Indoor and Mobile Radio Communications
Abstract: Abstract: To achieve efficient traffic control, Intelligent Transportation System (ITS) has been widely deployed in many regions such as America, Europe, Australia, Japan, and Taiwan. To prevent the unnecessary losses, ITS adopts the inter-vehicle communications to inform the drivers if there are accidents nearby. However, the ability of effective transmission distance of the emergency information depends notably on the percentage of the vehicles equipped with communication device and the characteristics of radio wave propagation. The vehicles which are not equipped with these communication devices will block the radio propagation and result in the undesirable shadowing attenuation. This paper surveys the impact of the shadowing effect for the inter-vehicle communications via the computer simulations and the field measurements. Besides, a modified three-ray shadowing model suitable for the inter-vehicle communication is proposed. With the proposed model, the influence of the showing effect on the effective transmission distance will be evaluated.
Relation: 2009 IEEE 20th International Symposium on
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41120
Appears in Collections:[通訊與導航工程學系] 期刊論文

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