A novel scheme to interconnect multiple frequency hopping channels into an ad hoc network

  • Authors:

  • György Miklós;Ferenc Kubinszky;András Rácz;Zoltán Turányi;András Valkó;Miklós Aurél Rónai;Sándor Molnár

  • Affiliations:

  • Traffic Analysis and Network Performance Lab, Ericsson Research, Hungary;Traffic Analysis and Network Performance Lab, Ericsson Research, Hungary;Traffic Analysis and Network Performance Lab, Ericsson Research, Hungary;Traffic Analysis and Network Performance Lab, Ericsson Research, Hungary;Traffic Analysis and Network Performance Lab, Ericsson Research, Hungary;Budapest University of Technology and Economics;Budapest University of Technology and Economics

  • Venue:
  • ACM SIGMOBILE Mobile Computing and Communications Review - Special issue on wireless pan & sensor networks
  • Year:
  • 2004

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Abstract

Frequency hopping radios have very attractive features to be used as PAN links, but their use in ad hoc networking is problematic because of the difficulty to synchronize the channels and coordinate transmission attempts. We propose a novel mechanism to interconnect multiple frequency hopping channels into an ad hoc network based on an adapted version of CSMA/CA. The performance of the proposal is investigated using analytical and simulation tools. By using multiple channels, we achieve significant improvement in aggregate throughput despite the penalty of switching between channels. We show how this performance penalty can be decreased by grouping devices based on the traffic pattern.