Interference Canceller Based on Cycle-and-Add Property for Single User Detection in DS-CDMA
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概要
- 論文の詳細を見る
In this paper, performance of a novel interference cancellation technique for the single user detection in a direct-sequence code-division multiple access (DS-CDMA) system has been investigated. This new algorithm is based on the Cycle-and-Add property of PN (Pseudorandom Noise) sequences and can be applied for both synchronous and asynchronous systems. The proposed strategy provides a simple method that can delete interference signals one by one in spite of the power levels of interferences. Therefore, it is possible to overcome the near-far problem (NFP) in a successive manner without using transmit power control (TPC) techniques. The validity of the proposed procedure is corroborated by computer simulations in additive white Gaussian noise (AWGN) and frequency-nonselective fading channels. Performance results indicate that the proposed receiver outperforms the conventional receiver and, in many cases, it does so with a considerable gain.
- （社）電子情報通信学会の論文
- 2009-01-01
著者
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Uehara Hideyuki
Department Of Information And Computer Sciences Toyohashi University Of Technology
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YOKOYAMA Mitsuo
Department of Information and Computer Sciences, Toyohashi University of Technology
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Ohira Takashi
Department Of Information And Computer Sciences Toyohashi University Of Technology
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HETTIARACHCHI Ranaga
Department of Information and Computer Sciences, Toyohashi University of Technology
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Yokoyama Mitsuo
Department Of Information And Computer Sciences Toyohashi University Of Technology
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Hettiarachchi Ranaga
Department Of Information And Computer Sciences Toyohashi University Of Technology
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Yokoyama Mitsuo
Department Of Information Amp Computer Sciences Toyohashi University Of Technology
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Yokoyama Mitsuo
Department Of Immunology And The Third Department Of Internal Medicine Kurume University School Of M
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Ohira Takashi
Department Of Electronics Engineering University Of Electro-communications
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