A Cooperative Relay Scheme for Secondary Communication in Cognitive Radio Networks

  title={A Cooperative Relay Scheme for Secondary Communication in Cognitive Radio Networks},
  author={Xiaowen Gong and Wei Yuan and Wei Liu and Wenqing Cheng and Shu Wang},
  journal={IEEE GLOBECOM 2008 - 2008 IEEE Global Telecommunications Conference},
In cognitive radio networks, secondary users (SUs) opportunistically exploit the spectrum unutilized by primary users (PUs). In this paper, we study the secondary communication where secondary transmitters and receivers have different available spectrum. Considering the spectrum diversity and the space distance between different PUs, we introduce cognitive relay node into the secondary communication and propose a novel Cooperative Relay Scheme (CRS) to increase the SINR at secondary receivers… CONTINUE READING
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