Cooperative Spectrum Sensing Using Free Probability Theory
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概要
- 論文の詳細を見る
Free probability theory, which has become a main branch of random matrix theory, is a valuable tool for describing the asymptotic behavior of multiple systems, especially for large matrices. In this paper, using asymptotic free probability theory, a new cooperative scheme for spectrum sensing is proposed, which shows how the asymptotic free behavior of random matrices and the property of Wishart distribution can be used to assist spectrum sensing for cognitive radio. Simulations over Rayleigh fading and AWGN channels demonstrate the proposed scheme has better detection performance than the energy detection techniques and the Maximum-minimum eigenvalue (MME) scheme even for the case of a small sample of observations.
- （社）電子情報通信学会の論文
- 2010-06-01
著者
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Wang Lei
Institute Of Botany Academia Sinica
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Chen Chao
Department Of Electronics Engineering Pusan National University
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Wang Lei
Institute Of Signal Processing And Transmission Nanjing University Of Posts And Telecom
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ZHENG Baoyu
Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecom.
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MENG Qingmin
Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecom.
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Chen Chao
Department Of Electrical And Computer Engineering Stevens Institute Of Technology
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Zheng Baoyu
Institute Of Signal Processing And Transmission Nanjing University Of Posts And Telecom
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Meng Qingmin
Institute Of Signal Processing And Transmission Nanjing University Of Posts And Telecom
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Chen Chao
China Academy Of Space Technology
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