Mobility Versus Density Metric for OLSR Enhancement

  • Cholatip Yawut
  • Beatrice Paillassa
  • Riadh Dhaou
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4866)

Abstract

In order to improve network performance, adaptive protocol would adapt to different aspects of the network dynamic exhibited by the wireless systems and more particularly by the ad hoc networks. In this paper we consider the adaptation to the ad hoc network dynamic through two parameters: mobility and density. We study the impact part of the density metric and of the mobility metric. Considering the Optimized Link State Routing protocol (OLSR), our work focus on the Multipoint Relays (MPR) selection. A new approach to select a MPR by using a simple modification and no additional packet header is proposed. It introduces the idea of Link Duration criterion as mobility metric for MPR selection. From simulation results it appears that the protocol performance can be enhanced by mobility adaptation after the density one. The proposed scheme outperforms the standard protocol for large number of nodes.

Keywords

OLSR MPR Selection Link Duration Mobility Metric 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Cholatip Yawut
    • 1
  • Beatrice Paillassa
    • 1
  • Riadh Dhaou
    • 1
  1. 1.IRIT laboratory – ENSEEIHT, Network & Telecommunication Department, ToulouseFRANCE

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