SUM: Spectrum Utilization Maximization in Energy-Constrained Cooperative Cognitive Radio Networks

@article{Long2014SUMSU,
  title={SUM: Spectrum Utilization Maximization in Energy-Constrained Cooperative Cognitive Radio Networks},
  author={Yan Long and Hongyan Li and Hao Yue and Miao Pan and Yuguang Fang},
  journal={IEEE Journal on Selected Areas in Communications},
  year={2014},
  volume={32},
  pages={2105-2116}
}
Cooperative cognitive radio networks (CCRNs) enable secondary users (SUs) to access primary resource by cooperation with active primary users (PUs). For the cooperation-generated resource, existing schemes in CCRNs allocate the resource only to the relay SUs. However, this may lead to inefficient spectrum utilization, when the relay SUs have poor channel condition or little traffic load for their own secondary transmissions. In this paper, considering user diversity in secondary networks, we… CONTINUE READING
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