Analysis of the Combined Effects of Nonlinear Distortion and Phase Noise on OFDM Systems(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In orthogonal frequency-division multiplexing (OFDM) transmission schemes, nonlinear distortion from high power amplifiers and phase noise due to oscillator instability are potentially serious problems, especially in millimeter-wave transmission systems. In this paper, we investigate and compare the combined effects on uncoded and coded OFDM signals of amplifier nonlinearity and phase noise from silicon-based devices. An analytical parametric formulation of system performance is presented. The theoretical results were in complete agreement with the computer simulation results. Total degradation was greatly reduced by applying a suppression scheme to compensate for the constant phase rotation in coded OFDM systems. In addition, the total coding gain defined for systems with different high-level M-QAM modulation was shown to increase with M.
- 社団法人電子情報通信学会の論文
- 2005-01-01
著者
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WAKANA Hiromitsu
National Institute of Information and Communications Technology
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HAMAGUCHI Kiyoshi
National Institute of Information and Communications Technology
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Liu Le
Tohoku Univ. Sendai Jpn
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Liu Le
Tohoku University
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Hamaguchi Kiyoshi
National Institute Of Information And Communications Technology (nict)
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Wakana Hiromitsu
National Inst. Information And Communications Technol. (nict) Tokyo Jpn
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Wakana Hiromitsu
National Institute Of Information And Communications Technology (nict)
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Hamaguchi Kiyoshi
National Inst. Of Information And Communications Technol. (nict)
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