Distributed Spectrum Sensing in Cognitive Radio Networks

  title={Distributed Spectrum Sensing in Cognitive Radio Networks},
  author={Zhiqiang Li and Fei Richard Yu and Minyi Huang},
  journal={2009 IEEE Wireless Communications and Networking Conference},
In cognitive radio networks, secondary users can cooperatively sense the spectrum to detect the presence of primary users. In this paper, we propose a fully distributed and scalable cooperative spectrum sensing scheme based on recent advances in consensus algorithms. In the proposed scheme, the secondary users can maintain coordination based on only local information exchange without a centralized common receiver. Simulation results show that the proposed consensus scheme can have significant… CONTINUE READING
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