Bandwidth-Satisfied Multicast by Multiple Trees and Network Coding in Lossy MANETs

Yu Hsun Chen, Eric Hsiao Kuang Wu, Gen Huey Chen

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Wireless links are inherently lossy due to channel fading or interference. Previously, duplicate packets were transmitted on multiple routes of lossy mobile ad hoc networks (MANETs) to enhance reliability. In this paper, a multicast routing protocol that constructs multiple multicast trees and employs network coding is proposed for lossy MANETs, where each multicast tree can satisfy a predefined percentage of the bandwidth requirement. The proposed protocol can reduce the total bandwidth consumption while providing bandwidth guarantees to a requested flow and ongoing flows. As a consequence of employing network coding, no redundant packet is generated, and no scheduling algorithm for distributing packets among the multicast trees is needed. Simulation results show that the proposed protocol outperforms prior multicast routing protocols in terms of the receiving ratio, the admission ratio, and the total bandwidth consumption.

Original languageEnglish
Pages (from-to)1116-1127
Number of pages12
JournalIEEE Systems Journal
Volume11
Issue number2
DOIs
StatePublished - Jun 2017

Keywords

  • Bandwidth guarantee
  • lossy mobile ad hoc network (MANET)
  • multicast
  • network coding
  • quality of service (QoS)

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