Iterative Frequency-Domain Soft Interference Cancellation for Multicode DS- and MC-CDMA Transmissions and Performance Comparison(Wireless Communication Technologies)
スポンサーリンク
概要
- 論文の詳細を見る
Frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion can significantly improve the BER performance of DS- and MC-CDMA systems in a severe frequency-selective fading channel. However, since the frequency-distorted signal cannot be completely equalized, the residual inter-code interference (ICI) limits the BER performance improvement. 4G systems must support much higher variable rate data services. Orthogonal multicode transmission technique has flexibility in offering variable rate services. However, the BER performance degrades as the number of parallel codes increases. In this paper, we propose an iterative frequency-domain soft interference cancellation (IFDSIC) scheme for multicode DS- and MC-CDMA systems and their achievable BER performances are evaluated by computer simulation.
- 社団法人電子情報通信学会の論文
- 2006-12-01
著者
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TAKEDA Kazuaki
Department of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku Unive
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Takeda Kazuaki
Tohoku Univ. Sendai‐shi Jpn
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Adachi Fumiyuki
Department Of Electrical And Communications Engineering Graduate School Of Engineering Tohoku Univer
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ISHIHARA Koichi
NTT Corporation
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Ishihara Koichi
Dept. Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku University
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Ishihara Koichi
Fluid Equipment Factory Higashimurayama Plant Nikkiso Co. Ltd.
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Ishihara Koichi
Department Of Obstetrics And Gynecology Hakuai Hospital
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Ishihara Koichi
Ntt Corp. Yokosuka‐shi Jpn
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Ishihara Koichi
Ntt Network Innovation Laboratories Ntt Corporation
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Adachi Fumiyuki
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Takeda Kazuaki
Department Of Electorical Communication Engineering Graduate School Of Engineering Tohoku University
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Takeda Kazuki
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Adachi Fumiyuki
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Adachi Fumiyuki
Department Of Electorical Communication Engineering Graduate School Of Engineering Tohoku University
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Ishihara Koichi
Department of Emergency Medicine, Gunma University Graduate School of Medicine
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Adachi Fumiyuki
Department of communication Engineering
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