Design and Analysis of Distributed Hopping-Based Channel Access in Multi-Channel Cognitive Radio Systems with Delay Constraints

@article{Zhang2014DesignAA,
  title={Design and Analysis of Distributed Hopping-Based Channel Access in Multi-Channel Cognitive Radio Systems with Delay Constraints},
  author={Gong-Zheng Zhang and Aiping Huang and Hangguan Shan and Jian Wang and Tony Q. S. Quek and Yu-Dong Yao},
  journal={IEEE Journal on Selected Areas in Communications},
  year={2014},
  volume={32},
  pages={2026-2038}
}
To support delay-sensitive traffic in multi-channel cognitive radio systems, designing a channel access scheme faces two major challenges, namely, the long waiting time due to continuous channel occupancy of primary users (PUs) and the performance degradation due to transmission collisions among secondary users (SUs). To address both issues, we propose a two-phase channel access scheme, which consists of a distributed channel negotiation phase and a hopping-based channel access phase for each… CONTINUE READING

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