Link quality estimation in VANETs for multi-hop alert messages dissemination

Osama M Hussain Rehman, Mohamed Ould-Khaoua, Hadj Bourdoucen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Reception of alert messages by endangered vehicles at time of an emergency event (e.g., a traffic accident) is a prime objective of alert messaging protocols in vehicular ad hoc networks (VANETs). This work proposes a new bi-directional stable communication (BDSC) protocol for relay nodes selection in multi-hop alert messages propagation in VANETs. The BDSC protocol is based on a dynamic link quality estimation algorithm. The proposed protocol is evaluated by assessing the alert messages reachability in varying network size and traffic densities. Results obtained from extensive simulation experiments favour the performance of the proposed protocol with a large margin of reachability improvement compared to conventional furthest distance relay selection protocols. In a multi-lane road segment with dense traffic scenario, reachability improvement of approximately 25% is noticed over the furthest distance protocols. This reachability improvement is achieved with comparable end-To-end communication delays to those exhibited by furthest distance-based solutions.

Original languageEnglish
Pages (from-to)313-335
Number of pages23
JournalInternational Journal of Communication Networks and Distributed Systems
Volume15
Issue number4
DOIs
Publication statusPublished - Oct 1 2015

Fingerprint

Vehicular ad hoc networks
Network protocols
Highway accidents
Communication

Keywords

  • alert messages
  • end-To-end delay
  • link quality
  • multi-hop
  • reachability
  • VANETs.
  • vehicular ad hoc networks

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

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title = "Link quality estimation in VANETs for multi-hop alert messages dissemination",
abstract = "Reception of alert messages by endangered vehicles at time of an emergency event (e.g., a traffic accident) is a prime objective of alert messaging protocols in vehicular ad hoc networks (VANETs). This work proposes a new bi-directional stable communication (BDSC) protocol for relay nodes selection in multi-hop alert messages propagation in VANETs. The BDSC protocol is based on a dynamic link quality estimation algorithm. The proposed protocol is evaluated by assessing the alert messages reachability in varying network size and traffic densities. Results obtained from extensive simulation experiments favour the performance of the proposed protocol with a large margin of reachability improvement compared to conventional furthest distance relay selection protocols. In a multi-lane road segment with dense traffic scenario, reachability improvement of approximately 25{\%} is noticed over the furthest distance protocols. This reachability improvement is achieved with comparable end-To-end communication delays to those exhibited by furthest distance-based solutions.",
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