A Connected Dominating Set Based Fast Decentralized Cooperative Sensing Algorithm for Cognitive Radio Networks

Qihui WU; Yuhua XU; Zhiyong DU; Jinlong WANG; Alagan ANPALAGAN

doi:10.1587/transcom.E95.B.1291

Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011

A Connected Dominating Set Based Fast Decentralized Cooperative Sensing Algorithm for Cognitive Radio Networks

Qihui WU, Yuhua XU, Zhiyong DU, Jinlong WANG, Alagan ANPALAGAN

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Keywords: cognitive radio networks, decentralized cooperative sensing, distributed consensus, connected dominating set

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2012 Volume E95.B Issue 4 Pages 1291-1294

DOI https://doi.org/10.1587/transcom.E95.B.1291

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Abstract

This letter proposes a novel connected dominanting set based decentralized cooperative spectrum sensing algorithm for cognitive radio networks. It is analytically shown that the proposed algorithm distributively converges to the average consensus as that of traditional distributed consensus algorithm, while reducing both the convergence time and message complexity significantly.

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