Capacity Limits and Performance Analysis of Cognitive Radio With Imperfect Channel Knowledge

@article{Suraweera2010CapacityLA,
  title={Capacity Limits and Performance Analysis of Cognitive Radio With Imperfect Channel Knowledge},
  author={Himal A. Suraweera and Peter J. Smith and Mansoor Shafi},
  journal={IEEE Transactions on Vehicular Technology},
  year={2010},
  volume={59},
  pages={1811-1822}
}
Cognitive radio (CR) design aims to increase spectrum utilization by allowing the secondary users (SUs) to coexist with the primary users (PUs), as long as the interference caused by the SUs to each PU is properly regulated. At the SU, channel-state information (CSI) between its transmitter and the PU receiver is used to calculate the maximum allowable SU transmit power to limit the interference. We assume that this CSI is imperfect, which is an important scenario for CR systems. In addition to… CONTINUE READING

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