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Channel Hopping Sequences for Rendezvous Establishment in Cognitive Radio Sensor Networks

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  • Widist Bekulu Tessema
  • Byeongung Kim
  • Junhyung Kim
  • Wooseong Cho
  • Kijun Han

Abstract

In Cognitive Radio sensor networks, a pair of Cognitive Radio (CR) users wishing to communicate should first agree on a specific channel called control channel. Communication rendezvous is used to establish a control channel between CR users. Channel Hopping (CH) protocol is a sequence-based approach that provides an effective method for implementing rendezvous without relying on a Common Control Channel (CCC). In this approach, all CR users hop to the same rendezvous channel and hence this channel will serve as a control channel between them. In this paper, we propose two Channel Hopping Sequences (CHS) to establish a link in CR sensor networks with and without the assumption of global clock synchronization. Our schemes provide successful communication rendezvous within a bounded time interval. Theoretical analysis and simulation results showed that both schemes outperform the existing schemes used for similar purpose in terms of many performance criteria.

Suggested Citation

  • Widist Bekulu Tessema & Byeongung Kim & Junhyung Kim & Wooseong Cho & Kijun Han, 2014. "Channel Hopping Sequences for Rendezvous Establishment in Cognitive Radio Sensor Networks," International Journal of Distributed Sensor Networks, , vol. 10(2), pages 872780-8727, February.
    • Handle: RePEc:sae:intdis:v:10:y:2014:i:2:p:872780
    DOI: 10.1155/2014/872780
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