Outage Capacity Analysis for SIMO Cognitive Fading Channel in Spectrum Sharing Environment
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概要
- 論文の詳細を見る
In this letter, we focus on the spectrum sharing cognitive radio system, wherein a single-input multi-output cognitive fading channel is considered. Subject to the joint average interference constraint and peak interference constraint at the primary receiver, the outage capacity of the cognitive channel involving joint beamforming and power control is analyzed. We derive the optimal beamforming and power control strategy and deduce the closed-form expression for the outage capacity under Rayleigh fading model, the functional regions of two kinds of interference constraints are discussed as well. Furthermore, considering zero-outage transmission, we investigate the delay-limited capacity and introduce a new concept called the zero-outage average interference wall. Extensive simulations corroborate our theoretical results.
- （社）電子情報通信学会の論文
- 2011-08-01
著者
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Liu Xin
Institute Of Theoretical Physics Lanzhou University
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Yang Yang
Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University
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WU Qihui
Institute of Communications Engineering, PLA University of Science and Technology
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Wu Qihui
Institute Of Communications Engineering Pla University Of Science And Technology
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WANG Jinlong
Institute of Communication Engineering, PLA University of Science and Technology
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Wang Jinlong
Institute Of Communication Engineering Pla University Of Science And Technology
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Liu Xin
Institute Of Communication Engineering Pla University Of Science And Technology
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Wu Qihui
Institute Of Communication Engineering Pla University Of Science And Technology
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Wang Jinlong
Institute Of Communications Engineering Pla University Of Science And Technology
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Liu Xin
Institute Of Animal Science Chinese Academy Of Agricultural Sciences
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Yang Yang
Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University
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