Channel Capacity of MC-CDMA and Impact of Residual ICI
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概要
- 論文の詳細を見る
Orthogonal frequency division multiplexing (OFDM), which uses a number of narrowband orthogonal sub-carriers, is a promising transmission technique. Also multi-carrier code division multi-access (MC-CDMA), which combines OFDM and frequency-domain spreading, has been attracting much attention as a future broadband wireless access. It was shown that MC-CDMA has lower channel capacity than OFDM, due to inter-code interference (ICI) resulting from orthogonality distortion caused by frequency-selective fading. Recently, many ICI cancellers have been proposed to mitigate the effect of ICI. In this paper, we derive a channel capacity expression for MC-CDMA assuming perfect ICI cancellation taking into account both frequency diversity gain and space diversity gain and compare it to that of OFDM. Furthermore, we derive a channel capacity expression for the case of imperfect ICI cancellation to discuss the impact of the residual ICI.
- （社）電子情報通信学会の論文
- 2009-01-01
著者
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ADACHI Koichi
School of Science for Open and Environmental Systems, Graduate School of Science and Technology, Kei
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NAKAGAWA Masao
School of Science for Open and Environmental Systems, Graduate School of Science and Technology, Kei
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Adachi Fumiyuki
Department Of Electrical And Communications Engineering Graduate School Of Engineering Tohoku Univer
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Nakagawa Masao
Keio Univ. Yokohama‐shi Jpn
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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. Of Electrical And Communications Engineering Graduated School Of Engineering Tohoku University
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Adachi Koichi
Keio Univ. Yokohama‐shi Jpn
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Adachi Koichi
School Of Science For Open And Environmental Systems Graduate School Of Science And Technology Keio
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Adachi Fumiyuki
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Nakagawa Masao
School Of Science For Open And Environmental Systems Graduate School Of Science And Technology Keio
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Adachi Fumiyuki
Department Of Electorical Communication Engineering Graduate School Of Engineering Tohoku University
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NAKAGAWA Masao
School of Science for Open and Environmental Systems, Graduate School of Science and Technology, Keio University
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Adachi Fumiyuki
Department of communication Engineering
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