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Minimizing detection time while guaranteeing desired detection accuracy in cooperative primary user detection

  • Shengliang Peng*
  • , Xi Yang
  • , Shuli Shu
  • , Lan Tang
  • , Xiuying Cao
  • *此作品的通讯作者

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

This paper investigates the issue of minimizing the detection time while guaranteeing the desired detection accuracy in cooperative primary user detection for cognitive radio. To achieve this goal, the sequential cooperative energy detection (SCED) scheme is firstly introduced. This scheme implements sequential probability ratio test to make final decisions and can guarantee the desired detection accuracy with less detection time compared with other schemes. Then, detection time in the SCED scheme is minimized by choosing an optimum sample number. Expressions for the optimum sample number and the minimum detection time in four typical scenarios are also derived. Simulation results are presented to illustrate the benefits of the SCED scheme and to examine the optimum sample number as well as the minimum detection time.

源语言英语
主期刊名2010 IEEE Global Telecommunications Conference, GLOBECOM 2010
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(印刷版)9781424456383
DOI
出版状态已出版 - 2010
已对外发布
活动53rd IEEE Global Communications Conference, GLOBECOM 2010 - Miami, 美国
期限: 6 12月 201010 12月 2010

出版系列

姓名GLOBECOM - IEEE Global Telecommunications Conference

会议

会议53rd IEEE Global Communications Conference, GLOBECOM 2010
国家/地区美国
Miami
时期6/12/1010/12/10

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