Quality of Service Routing in Ad-Hoc Networks Using OLSR

  • Authors:
  • Ying Ge;Thomas Kunz;Louise Lamont

  • Affiliations:
  • -;-;-

  • Venue:
  • HICSS '03 Proceedings of the 36th Annual Hawaii International Conference on System Sciences (HICSS'03) - Track 9 - Volume 9
  • Year:
  • 2003

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Abstract

In an ad-hoc network, all communication is done overwireless media, without the help of wired base stations.While many routing protocols have been developed to findand maintain routes based on a best-effort service model,quality-of-service (QoS) routing in an ad-hoc network isdifficult because the network topology may changeconstantly and the available state information for routingis inherently imprecise.In this paper, we discuss how to support QoS routing inOLSR (Optimized Link State Routing Protocol, one of therouting protocols under study by the IETF MANETWorking Group). We develop heuristics that allow OLSRto find the maximum bandwidth path, show throughsimulation that these heuristics do improve OLSR in thestatic network case, and finally, we prove that for ourad-hoc network model, two of the heuristics are indeedoptimal (i.e., guarantee that the highest-bandwidth pathbetween any two nodes is found).