Efficient Resource Allocation for Cognitive Radio Networks with Cooperative Relays

  title={Efficient Resource Allocation for Cognitive Radio Networks with Cooperative Relays},
  author={Shaowei Wang and Mengyao Ge and Chonggang Wang},
  journal={IEEE Journal on Selected Areas in Communications},
Cognitive Radio (CR) is an attractive technology to deal with current spectrum scarcity problem, while cooperative relay can make distributed receivers benefit from spatial diversity and combat severe fading in wireless environment. CR with cooperative relay is potentially a promising paradigm for developing spectrum-efficient wireless systems. In this paper, we study the resource allocation in Orthogonal Frequency Division Multiplexing (OFDM)-based CR networks with cooperative relays. Since… CONTINUE READING
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