On Spectrum Probing in Cognitive Radio Networks: Does Randomization Matter?

@article{Chen2010OnSP,
  title={On Spectrum Probing in Cognitive Radio Networks: Does Randomization Matter?},
  author={Chao Chen and Zesheng Chen and Todor Cooklev and Carlos A. Pomalaza-Raez},
  journal={2010 IEEE International Conference on Communications},
  year={2010},
  pages={1-6}
}
In cognitive radio networks, dynamic spectrum access is achieved by allowing secondary users (SUs) to probe the spectrum and utilize available channels opportunistically. Spectrum probing mechanisms should be efficient and fast to avoid harmful interference with primary users (PUs). Periodic probing has been commonly adopted as a default spectrum probing mechanism. In this paper, we attempt to study different spectrum probing mechanisms and evaluate a performance metric called the probing delay… CONTINUE READING

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