Channel Hopping Sequences for Rendezvous Establishment in Cognitive Radio Sensor Networks

Widist Bekulu Tessema, Byeongung Kim, Junhyung Kim, Wooseong Cho and Kijun Han

International Journal of Distributed Sensor Networks, 2014, vol. 10, issue 2, 872780

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.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:sae:intdis:v:10:y:2014:i:2:p:872780

DOI: 10.1155/2014/872780

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