A collision alleviation scheme for IEEE 802.11p VANETs

Der-Jiunn Deng, Hsin Chin Chen, Han Chieh Chao, Yueh Min Huang

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

IEEE 802.11p protocol, also known as Wireless Access for the Vehicular Environment provides dedicated short range communication for future Vehicular Ad Hoc Networks (VANETs). According to the IEEE 802.11p standard, the highest priority traffic transmission often suffers from the consecutive collisions in bursty arrival or congested scenarios because of the naive pre-assumption of a low level of congestion in the system, and thus results in emergent messages delayed. In this paper, we propose a simple, but yet well performing collision alleviation scheme to alleviate intensive collisions between highest priority access categories which usually used to schedule emergency message since safety is the most critical and promising issue in VANET. In addition to theoretical analysis, simulations are conducted to evaluate its performance. The simulation results show that the proposed scheme can not only increase the achievable channel throughput of the legacy protocol at most 15%, but also reduce the average packet access delay of the legacy protocol at least 5% and the packet collision probability at most 60% in congested VANET environments.

Original languageEnglish
Pages (from-to)371-383
Number of pages13
JournalWireless Personal Communications
Volume56
Issue number3
DOIs
Publication statusPublished - 2011 Feb 1

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Vehicular ad hoc networks
Dedicated short range communications
Throughput

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Deng, Der-Jiunn ; Chen, Hsin Chin ; Chao, Han Chieh ; Huang, Yueh Min. / A collision alleviation scheme for IEEE 802.11p VANETs. In: Wireless Personal Communications. 2011 ; Vol. 56, No. 3. pp. 371-383.
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A collision alleviation scheme for IEEE 802.11p VANETs. / Deng, Der-Jiunn; Chen, Hsin Chin; Chao, Han Chieh; Huang, Yueh Min.

In: Wireless Personal Communications, Vol. 56, No. 3, 01.02.2011, p. 371-383.

Research output: Contribution to journalArticle

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