Performance Analysis of Polynomial Cancellation Coding for OFDM Systems over Time-Varying Rayleigh Fading Channels(<Special Section>Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications-Part 2)
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概要
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Polynomial cancellation coding (PCC) was proposed to mitigate the sever inter-carrier-interference (ICI) in an orthogonal frequency division multiplexing (OFDM) system caused by frequency offset. In this paper, we consider the effectiveness of PCC under time-variant multi-path Rayleigh fading analytically and by simulations. We first consider an analytical expression of the signal-to-interference plus noise power ratio (SINR) and then derive an approximation of the bit-error-rate (BER) of the OFDM-PCC system under the assumption that ICI is well approximated by a white Gaussian noise. Since the bandwidth efficiency of OFDM-PCC is half of that of normal OFDM, we compare the BER performance of the scheme with the normal OFDM system of the same bitrate when low, medium, and high level modulations are used. Our results show that OFDM-PCC performs well even for high modulation level under time-varying multi-path fading.
- 一般社団法人電子情報通信学会の論文
- 2005-02-01
著者
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Alaraimi Abdullah
Department Of Electronics Engineering The Univ. Of Electro-communications
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Alaraimi Abdullah
Department Of Electronics Engineering The University Of Electro-communications
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Hashimoto Takeshi
Department Of Bioinformatics Graduate School Of Allied Health Sciences Faculty Of Medicine Osaka University
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