Scheme of Cognitive Channel Allocation for Multiple Services without Spectrum Handover

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• 作者：Haoman Xu (19)
  Yinglei Teng (19)
  Mei Song (19)
  Yifei Wei (19)
  Yong Zhang (19)
  
• 关键词：Cognitive Radio ; Primary User ; Cognitive User ; Channel Allocation ; Markov Chain ; Spectrum Handover
• 刊名：Lecture Notes in Computer Science
• 出版年：2013
• 出版时间：2013
• 年：2013
• 卷：7719
• 期：1
• 页码：672-688
• 全文大小：405KB
• 参考文献：1. Lin, Y., Zhu, Q., Cai, L.: An Improved Channel Allocation Algorithm Based on List-coloring. In: IEEE WiCOM, pp. 1鈥? (2010)
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• 作者单位：Haoman Xu (19)
  Yinglei Teng (19)
  Mei Song (19)
  Yifei Wei (19)
  Yong Zhang (19)
  
  19. ICN&CAD Center, Beijing University of Posts and Telecommunications, Beijing, P.R.C.
  
• ISSN：1611-3349

文摘

In the system of primary users and cognitive users sharing spectrum resource, dynamic spectrum allocation becomes a key issue to face with, especially when the services are various. A cognitive channel allocation scheme is put forward to maximize the throughput and to reduce the blocking rate of multiple services in the premise of not increasing the interruption probability. In the scheme, cognitive users do not need the capability of spectrum handover, and just by adjusting the index of channels timely, the allocation becomes orderly and simple. Markov chain is used to analyze the performance of the proposed allocation scheme. The numerical results show that the proposed scheme can achieve better performances.