Cognitive Radio Network Duality and Algorithms for Utility Maximization

@article{Zheng2013CognitiveRN,
  title={Cognitive Radio Network Duality and Algorithms for Utility Maximization},
  author={Liang Zheng and Chee Wei Tan},
  journal={IEEE Journal on Selected Areas in Communications},
  year={2013},
  volume={31},
  pages={500-513}
}
We study a utility maximization framework for spectrum sharing among cognitive secondary users and licensed primary users in cognitive radio networks. All the users maximize the network utility by adapting their signal-to-interference-plus-noise ratio (SINR) assignment and transmit power subject to power budget constraints and additional interference temperature constraint for the secondary users. The utility maximization problem is challenging to solve optimally in a distributed manner due to… CONTINUE READING
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