QoS-OLSR protocol based on intelligent water drop for Vehicular ad-hoc networks

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8 Scopus citations

Abstract

In this paper, we address the problem of MultiPoint Relay (MPR) node disconnection due to mobility in Vehicular ad-hoc networks (VANETs) using the cluster-based Quality of Service Optimized Link State Routing (QoS-OLSR) protocol. The protocol uses MPR nodes to establish communication among the clusters. MPR disconnection represents a major challenge in VANETs, due to the frequent change in the network topology. Consequently, the performance of the routing protocol will be weakened as it adversely affects the connectivity level of the network. Thus, our solution is a new cluster-based QoS-OLSR protocol based on intelligent water drop algorithm that is capable of (1) selecting the best set of MPR in terms of QoS (2) dealing with the MPR disconnection as it selects alternatives to assure a connected network (3) maintaining a reliable MPR failure management process. Simulation results demonstrate that the proposed model succeeds in improving the network connectivity and stability, reducing both the overhead and the path length, and increasing the packet delivery ratio compared to the original QoS-OLSR.

Original languageBritish English
Title of host publicationIWCMC 2015 - 11th International Wireless Communications and Mobile Computing Conference
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1352-1357
Number of pages6
ISBN (Electronic)9781479953448
DOIs
StatePublished - 2 Oct 2015
Event11th International Wireless Communications and Mobile Computing Conference, IWCMC 2015 - Dubrovnik, Croatia
Duration: 24 Aug 201528 Aug 2015

Publication series

NameIWCMC 2015 - 11th International Wireless Communications and Mobile Computing Conference

Conference

Conference11th International Wireless Communications and Mobile Computing Conference, IWCMC 2015
Country/TerritoryCroatia
CityDubrovnik
Period24/08/1528/08/15

Keywords

  • Cluster-head
  • IWD
  • MPR
  • QoS-OLSR
  • VANET

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