Simple and efficient MAC for cognitive wireless personal area networks

  • Authors:
  • Jelena Misic;Vojislav B. Misic

  • Affiliations:
  • Ryerson University, Toronto, Ontario, Canada;Ryerson University, Toronto, Ontario, Canada

  • Venue:
  • GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
  • Year:
  • 2009

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Abstract

In this paper we investigate the performance of a cognitive personal area network (CPAN) with round robin service where each node is allowed to transmit at most one packet in one transmission cycle. Furthermore, upon transmitting a packet, the node has to perform spectrum sensing in order to distribute the sensing load in a fair manner and enable smooth operation of the CPAN. Duration of the sensing period is regulated by a predefined penalty coefficient; however, sensing may be interrupted by reception activity of the node. We present a probabilistic model of this system and investigate the performance limits with respect to the traffic load and value of the penalty coefficient.