An FEC Adaptive multicast MAC protocol for providing reliability in WLANs

Anas Basalamah, Takuro Sato

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

For wireless multicast applications like multimedia conferencing, voice over IP and video/audio streaming, a reliable transmission of packets within short delivery delay is needed. Moreover, reliability is crucial to the performance of error intolerant applications like file transfer, distributed computing, chat and whiteboard sharing. Forward Error Correction (FEC) is frequently used in wireless multicast to enhance Packet Error Rate (PER) performance, but cannot assure full reliability unless coupled with Automatic Repeat Request forming what is knows as Hybrid-ARQ. While reliable FEC can be deployed at different levels of the protocol stack, it cannot be deployed on the MAC layer of the unreliable IEEE802.11 WLAN due to its inability to exchange ACKs with multiple recipients. In this paper, we propose a Multicast MAC protocol that enhances WLAN reliability by using Adaptive FEC and study it's performance through mathematical analysis and simulation. Our results show that our protocol can deliver high reliability and throughput performance.

Original languageEnglish
Pages (from-to)1834-1840
Number of pages7
JournalIEICE Transactions on Communications
VolumeE92-B
Issue number5
DOIs
Publication statusPublished - 2009 May

Keywords

  • FEC
  • Multicast
  • Reliablity
  • WLAN

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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