Effect of Pulse Shaping Filters on a Fractional Sampling OFDM System with Subcarrier-Based Maximal Ratio Combining
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概要
- 論文の詳細を見る
In this paper, the effect of the impulse response of pulse shaping filters on a fractional sampling orthogonal frequency division multiplexing (FS OFDM) system is investigated. FS achieves path diversity with a single antenna through oversampling and subcarrier-based maximal ratio combining (MRC). Though the oversampling increases diversity order, correlation among noise components may deteriorate bit error rate (BER) performance. To clarify the relationship between the impulse response of the pulse shaping filter and the BER performance, five different pulse shaping filters are evaluated in the FS OFDM system. Numerical results of computer simulations show that the Frobenius norm of a whitening matrix corresponding to the pulse shaping filter has significant effect on the BER performance especially with a small numbers of subcarriers. It is also shown that metric adjustment based on the Frobenius norm improves BER performance of the coded FS OFDM system.
- （社）電子情報通信学会の論文
- 2009-05-01
著者
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SANADA Yukitoshi
Dept. of Electronics and Electrical Engineering, Keio University
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NISHIMURA Haruki
Dept. of Electronics and Electrical Engineering, Keio University
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Nishimura Haruki
Keio Univ. Yokohama‐shi Jpn
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Sanada Yukitoshi
Keio Univ. Yokohama‐shi Jpn
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Sanada Yukitoshi
Sony Computer Sci. Lab. Inc. Tokyo Jpn
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Sanada Yukitoshi
Dept. Of Electronics And Electrical Engineering Keio University
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INAMORI Mamiko
Dept. of Electronics and Electrical Engineering, Keio University
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Nishimura Haruki
Dept. Of Electronics And Electrical Engineering Keio University
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Inamori Mamiko
Dept. Of Electronics And Electrical Engineering Keio University
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KAWAI Takashi
Dept. of Electronics and Electrical Engineering, Keio University
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KOBAYASHI Tatsuya
Dept. of Electronics and Electrical Engineering, Keio University
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Kawai Takashi
Dept. Of Electronics And Electrical Engineering Keio University
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Sanada Yukitoshi
Dept. Of Electronics And Electrical Engineering Keio Univ.
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Inamori Mamiko
Dept. Of Electronics And Electrical Engineering Keio Univ.
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