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Stability throughput analysis of cognitive radio interference MIMO channels

  • He Gao*
  • , Jun Li
  • , Fuqiang Zhou
  • , Rong Zou
  • , Zhang Chuansheng
  • *此作品的通讯作者
  • Beihang University
  • Shandong Jianzhu University
  • Qilu University of Technology

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 developed a framework to analyze the performance gain in multiple-input multiple-output (MIMO) systems together with cognitive radio (CR) interference communication systems based on average channel state information (CSI). Because of interference between the cognitive user and the licensed user, the cognitive user must optimize its power to ensure the licensed user's transmission stability. Firstly, we derived close-form expression of the outage and throughput both for licensed user and cognitive user under Reighlay fading channel environment. Then, the maximum stability throughput for the cognitive user is derived under the conditions of stability of the licensed user (a fixed throughput selected by the licensed user) under flat-fading Rayleigh channel conditions. We studied the optimal problem both in the ideal system which assumes that the detection is always correct and the real system in which interference exist between the cognitive user and the licensed user because of channel fading.

源语言英语
主期刊名2010 6th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2010
DOI
出版状态已出版 - 2010
活动2010 6th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2010 - Chengdu, 中国
期限: 23 9月 201025 9月 2010

出版系列

姓名2010 6th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2010

会议

会议2010 6th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2010
国家/地区中国
Chengdu
时期23/09/1025/09/10

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