Statistical Mechanical Analysis of CDMA Multiuser Detectors : AT Stability and Entropy of the RS Solution, and 1RSB Solution
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概要
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A class of code-division multiple-access (CDMA) multiuser detectors in the large-system limit has been investigated by Tanaka by means of statistical mechanics, i.e. the replica method. He evaluated analytically the bit-error rate, the multiuser efficiency, etc. of Marginal-Posterior-Mode (MPM) detectors under the replica symmetry (RS) ansatz. In this paper, to investigate the breaking of the replica symmetry, we study the de Almeida-Thouless (AT) stability, the entropy, and the free energy of the RS solutions for MPM detectors including individually optimum (IO) ones.
- 2005-04-30
著者
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Yoshida Mika
Graduate School Of Humanities And Sciences Nara Women's University
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OKADA MASATO
Graduate School of Frontier Sciences, The University of Tokyo
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Uezu Tatsuya
Graduate School Of Human Culture Nara Women's University
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OKADA Masato
University of Tokyo
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Tanaka Toshiyuki
Graduate School Of Informatics Kyoto University
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Okada Masato
Graduate School Of Engineering Science Osaka University
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UEZU Tatsuya
Graduate School of Humanities and Sciences, Nara Women's University
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YOSHIDA Mika
Graduate School of Humanities and Sciences, Nara Women's University
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TANAKA Toshiyuki
Graduate School of Engineering, Tokyo Metropolitan University
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OKADA Masato
Laboratory for Mathematical Neuroscience, RIKEN Brain Science Institute:"Intelligent Cooperation and Control", PRESTO, JST, co RIKEN BSI:Department of Complexity Science and Engineering, Graduate School of Frontier Sciences, the University of To
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