北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2011, Vol. 34 ›› Issue (4): 89-92.doi: 10.13190/jbupt.201104.89.tangjm

• 研究报告 • 上一篇    下一篇

感知系统中最优感测时间和功率分配

唐菁敏1,2,罗涛2,乐光新2   

  1. 1.昆明理工大学 信息工程与自动化学院, 昆明 650000; 2.北京邮电大学 信息与通信工程学院, 北京 100876
  • 收稿日期:2010-11-02 修回日期:2011-04-24 出版日期:2011-08-28 发布日期:2011-07-18
  • 通讯作者: 唐菁敏 E-mail:tang_min213@163.com
  • 基金资助:

    国家自然科学基金项目(60872049,60871042,60971082,60972073);国家重点基础研究发展计划项目(2009CB320407); 国家科技重大专项项目(2009ZX03003001,2009ZX03003011, 2010ZX03001003)

Optimum Sensing Time and Power Allocation for Cognitive Systems

  • Received:2010-11-02 Revised:2011-04-24 Online:2011-08-28 Published:2011-07-18

关键词: 协作感测, 协同传输;功率分配, 中断概率

Abstract:

In overlay sharing cognitive radio networks, an optimal scheme is proposed for improving cognitive system performance, it proves to minimize the outage probability on the premise of guarantee fixed detection performance. Analysis and simulation show that the optimal scheme can improve outage performance of cognitive system and enhance transmission reliability of cognitive network.

Key words: cooperative sensing, cooperative transmission, power allocation, outage probability

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