Adaptive spectrum sensing for cognitive radios: An experimental approach

  title={Adaptive spectrum sensing for cognitive radios: An experimental approach},
  author={Xingwei Shi and Ruben de Francisco},
  journal={2011 IEEE Wireless Communications and Networking Conference},
In order to avoid packet collisions in wireless communications, cognitive radio users require spectrum sensing to increase their awareness. Spectrum sensing methods must show good performance with low complexity, particularly in low-power wireless sensor networks. Motivated by the non-continuous signal patterns observed from realistic signals, an adaptive spectrum sensing algorithm that exploits information on the primary user traffic is proposed. The proposed method is based on a modified… CONTINUE READING


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