Frequency-Domain Adaptive Prediction Iterative Channel Estimation for OFDM Signal Reception(Terrestrial Radio Communications)
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概要
- 論文の詳細を見る
In this letter, pilot-assisted adaptive prediction iterative channel estimation in frequency-domain is presented for the antenna diversity reception of orthogonal frequency division multiplexing (OFDM) signals. A frequency-domain adaptive prediction filtering is applied to iterative channel estimation for improving the tracking capability against frequency-domain variations in a severe frequency-selective fading channel. Also, in order to track the changing fading environment, the tap weights of frequency-domain prediction filter are updated using the simple NLMS algorithm. Updating of tap weights is incorporated into the iterative channel estimation loop to achieve faster convergence rate. The average bit error rate (BER) performance in a frequency-selective Rayleigh fading channel is evaluated by computer simulation. It is confirmed that the frequency-domain adaptive prediction iterative channel estimation provides better BER performance than the conventional iterative channel estimation schemes.
- 社団法人電子情報通信学会の論文
- 2005-04-01
著者
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Adachi Fumiyuki
Wireless Laboratories Ntt Mobile Communications Network Inc.: Presently Electrical And Communication
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Adachi F
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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ADACHI Fumiyuki
Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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Takaoka Shinsuke
Tohoku Univ. Sendai‐shi Jpn
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Takaoka Shinsuke
Electrical And Communication Engineering Graduate School Of Engineering Tohoku University
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Adachi Fumiyuki
Electrical And Communication Engineering Graduate School Of Engineering Tohoku University
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Adachi Fumiyuki
Department Of Electrical And Coimmunicalion Engineering Graduate School Of Engineering.tohoku Univer
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Adachi Fumiyuki
The Dept. Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Universi
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Adachi Fumiyuki
The Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Uni
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Adachi Fumiyuki
Wireless Lab. Ntt Docomo Inc.:department Of Electrical Communications At Graduate School Of Engineer
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Adachi Fumiyuki
The Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Uni
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Adachi Fumiyuki
The Wireless Laboratories Ntt Docomo Inc. : Presently With The Department Of Electrical Communicatio
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