Numerical analysis of IEEE 802.11 broadcast scheme in multihop wireless ad hoc networks

  • Authors:
  • Jong-Mu Choi;Jungmin So;Young-Bae Ko

  • Affiliations:
  • School of Information and Computer Engineering, Ajou University, Republic of Korea;Coordinated Science Lab. and Dept. of Computer Science Engineering, University of Illinois at Urbana-Champaign;School of Information and Computer Engineering, Ajou University, Republic of Korea

  • Venue:
  • ICOIN'05 Proceedings of the 2005 international conference on Information Networking: convergence in broadband and mobile networking
  • Year:
  • 2005

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Abstract

In this paper, we study the performance of IEEE 802.11 broadcast scheme in multihop wireless networks using an analytical model. Previous works have evaluated the performance of IEEE 802.11 protocol assuming unicast communication, but there has not been an analysis considering broadcast communication. Analyzing performance of broadcast communication is important because multicast communication is gaining attention in wireless networks with numerous potential applications. Broadcast in IEEE 802.11 does not use virtual carrier sensing and thus only relies on physical carrier sensing to reduce collision. For this study, we define a successful broadcast transmission to be the case when all of the sender's neighbors receive the broadcast frame correctly, and calculate the achievable throughput.