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    題名: BER Analysis of OFDM Systems Impaired by Phase Noise in Frequency-Selective Fading Channels
    作者: Yih, Chi-Hsiao
    貢獻者: 淡江大學電機工程學系
    關鍵詞: Phase noise;Orthogonal frequency division multiplexing;Frequency-selective fading channel;Performance analysis;Bit error rate
    日期: 2011-08
    上傳時間: 2012-06-14 10:28:00 (UTC+8)
    出版者: New York: Springer New York LLC
    摘要: In this paper, we study the effect of finite-power, phase-locked loop based phase noise on the bit-error-rate (BER) performance of orthogonal frequency division multiplexing (OFDM) systems in frequency-selective fading channels. It is well known the impact of phase noise on the performance of an OFDM system can be divided into a multiplicative term called common phase error (CPE) and an additive term called intercarrier interference (ICI). Based on the conditional Gaussian approximation technique, we first derive the BER formulas for BPSK, QPSK, 16-QAM, and 64-QAM modulated OFDM signals in frequency-selective Rayleigh fading channels. To further quantify the individual influence of the CPE and the ICI on system performance for different phase noise spectra, we derive the BER expressions for perfect CPE compensation cases. The analytical results obtained for frequency-selective Rayleigh fading channels are then generalized to frequency-selective Rician fading channels. Simulation results not only validate the accuracy of our analysis but also show the dependency of BERs on the shapes of phase noise spectra.
    關聯: Wireless Personal Communications 59(4), pp.667-687
    DOI: 10.1007/s11277-010-9931-9
    顯示於類別:[電機工程學系暨研究所] 期刊論文

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