MP-DSR: A QoS-Aware Multi-Path Dynamic Source Routing Protocol for Wireless Ad-Hoc Networks

  • Authors:
  • Roy Leung;Jilei Liu;Edmond Poon;Ah-Lot Charles Chan;Baochun Li

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • LCN '01 Proceedings of the 26th Annual IEEE Conference on Local Computer Networks
  • Year:
  • 2001

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Abstract

Routing in wireless ad-hoc networks has receivedsignificant attention from recent literature due to the factthat the dynami behavior of these networks poses manytechnical challenges on the design of an effective rout-ing scheme.Though on-demand routing approacheshave been shown to perform well, they generally lackthe support for Quality-of-Service (QoS) with respect todata transmission.In order to select a subset of end-to-end paths to provide in reased stability and reliabil-ity of routes, a new QoS metric, end-to-end reliability,is defined and emphasized in this paper.We present adistributed multi-path dynamic source routing protocol(MP-DSR) for wireless ad-hoc networks to improve QoSsupport with respect to end-to-end reliability.Our proto-col forwards outgoing packets along multiple paths thatare subject to a particular end-to-end reliability require-ment.A simulation study is performed to demonstratethe effectiveness of our proposed protocol, particularlythe fact that MP-DSR achieves a higher rate of suc-cessful packet delivery than existing best-effort ad-hocrouting protocols, such as the Dynami Source Routing(DSR).