Frequency-Domain Eigenbeam-SDM and Equalization for Single-Carrier Transmissions
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概要
- 論文の詳細を見る
In mobile communications, the channel consists of many resolvable paths with different time delays, resulting in a severely frequency-selective fading channel. The frequency-domain equalization (FDE) can take advantage of the channel selectivity and improve the bit error rate (BER) performance of the single-carrier (SC) transmission. Recently, multi-input multi-output (MIMO) multiplexing is gaining much attention for achieving very high speed data transmissions with the limited bandwidth. Eigenbeam space division multiplexing (E-SDM) is known as one of MIMO multiplexing techniques. In this paper, we propose frequency-domain SC E-SDM for SC transmission. In frequency-domain SC E-SDM, the orthogonal transmission channels to transmit different data in parallel are constructed at each orthogonal frequency. At a receiver, FDE is used to suppress the inter-symbol interference (ISI). In this paper, the transmit power allocation and adaptive modulation based on the equivalent channel gains after performing FDE are applied. The BER performance of the frequency-domain SC E-SDM in a severe frequency-selective Rayleigh fading channel is evaluated by computer simulation.
- （社）電子情報通信学会の論文
- 2008-05-01
著者
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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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NAKAJIMA Akinori
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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Ozaki Kazuyuki
Dept. Of Electrical And Communications Engineering Graduated School Of Engineering Tohoku University
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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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Nakajima Akinori
Mitsubishi Electric Corp. Kamakura‐shi Jpn
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Adachi Fumiyuki
Dept. Electrical And Communication Engineering Graduate School Of Engineering
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