An energy-preserving spectrum access strategy in cognitive radio networks

@article{Xiao2013AnES,
  title={An energy-preserving spectrum access strategy in cognitive radio networks},
  author={Yalong Xiao and Shigeng Zhang and Jiannong Cao and Jianxing Wang},
  journal={2013 IEEE Wireless Communications and Networking Conference (WCNC)},
  year={2013},
  pages={738-743}
}
Cognitive radio technique improves spectrum utilization by allowing secondary users (SUs) to opportunistically exploit the authorized spectrum of primary users (PUs) to transmit their data. In order to avoid colliding with PU, SUs often sense the channel before transmission. As many secondary users are mobile devices, how to preserve energy consumption of the secondary users is considered in this paper. According to a defined utility function, SU dynamically schedules its actions, i.e., sensing… CONTINUE READING

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