BER Performance Analysis of MC-CDMA with Overlap-FDE
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概要
- 論文の詳細を見る
Recently, multi-carrier code division multiple access (MC-CDMA) has been attracting much attention as a broadband wireless access technique for the next generation mobile communication systems. Frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion can take advantage of the channel frequency-selectivity and improve the average bit error rate (BER) performance due to frequency-diversity gain. The conventional FDE requires the insertion of the guard interval (GI) to avoid the inter-block interference (IBI), resulting in the transmission efficiency loss. In this paper, an overlap FDE technique, which requires no GI insertion, is presented for MC-CDMA transmission. An expression for the conditional BER is derived for the given set of channel gains. The average BER performance in a frequency-selective Rayleigh fading channel is evaluated by Monte-Carlo numerical computation method using the derived conditional BER and is confirmed by computer simulation of the signal transmission.
- （社）電子情報通信学会の論文
- 2008-03-01
著者
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Takeda Kazuaki
Tohoku Univ. Sendai‐shi Jpn
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TOMEBA Hiromichi
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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TAKEDA Kazuaki
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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Adachi Fumiyuki
Dept. Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku University
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Adachi Fumiyuki
Dept. Of Electrical And Communications Engineering Graduated School Of Engineering Tohoku University
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Adachi Fumiyuki
Dept. Of Electrical And Commu. Eng. Graduate School Of Eng. Tohoku University
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Takeda Kazuaki
Dept. Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku University
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Tomeba Hiromichi
Tohoku Univ. Sendai‐shi Jpn
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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
Dept. Electrical And Communication Engineering Graduate School Of Engineering Tohoku University
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Adachi Fumiyuki
Dept. Electrical And Communication Engineering Graduate School Of Engineering
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