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載波誤差對(duì)MC-CDMA系統(tǒng)性能的影響

張登銀,  鄭寶玉

張登銀, 鄭寶玉. 載波誤差對(duì)MC-CDMA系統(tǒng)性能的影響[J]. 電子與信息學(xué)報(bào), 2003, 25(10): 1392-1397.
引用本文: 張登銀, 鄭寶玉. 載波誤差對(duì)MC-CDMA系統(tǒng)性能的影響[J]. 電子與信息學(xué)報(bào), 2003, 25(10): 1392-1397.
Zhang Dengyin, Zheng Baoyu. The analysis of the effect of carrier phase errors on MC-CDMA performance[J]. Journal of Electronics & Information Technology, 2003, 25(10): 1392-1397.
Citation: Zhang Dengyin, Zheng Baoyu. The analysis of the effect of carrier phase errors on MC-CDMA performance[J]. Journal of Electronics & Information Technology, 2003, 25(10): 1392-1397.

載波誤差對(duì)MC-CDMA系統(tǒng)性能的影響

The analysis of the effect of carrier phase errors on MC-CDMA performance

  • 摘要: 該文對(duì)下行無(wú)線通信信道中MC-CDMA系統(tǒng)的載波誤差性能進(jìn)行了研究。對(duì)接收判決器的輸入信噪比(SNR)和判決誤碼率(BER)進(jìn)行了詳細(xì)的理論分析和數(shù)值模擬。結(jié)果表明，MC-CDMA對(duì)載波頻率偏移十分敏感，系統(tǒng)性能隨載波數(shù)量的增加而迅速下降；在最大載荷下，載波相位抖動(dòng)導(dǎo)致的性能下降與載波數(shù)無(wú)關(guān)。
    Abstract: This paper presents the effect of carrier phase error on MC-CDMA performance in downlink mobile communications. Signal-to-Noise Ratio (SNR) and Bit-Error-Rate (BER.) is analyzed taking into account the effect, of carrier phase error. It is shown that the MC-CDMA system is very sensitive to a carrier frequency offset, and the system performance rapidly degrades and strongly depends on the number of carriers. For a maximal load, the degradation caused by carrier phase jitter is independent of the number of the carriers.
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  • E.A. Sourour, M. Nakagawa, Performance of orthogonal multicarrier CDMA in a multipath fading channel, IEEE Trans on Comm., 1996, 44(3), 356-367.[2]G.B. Giannakis, A. Stamoulis, Z. Wang, et al., Load-adaptive MUI/ISI-resilient generalized multi-carrier CDMA with linear and decision feedback equalizers, European Trans. on Telecom.,2000, 11(6), 527-537.[3]L. Tomba, W. A. Krzymien, Sensitivity of the MC-CDMA access scheme to carrier phase noise and frequency offset, IEEE Trans. on Veh. Tech., 1999, 48(5), 1657-1665.[4]H. Steendam, M. Moeneclaey, Sensitivity of OFDM-CDMA to carrier phase jitter, Proc. 1st Int.Workshop on MC-SS, Oberpfaffenhofen, Germany, Apr. 1997, 145-152.[5]H. Steendam.[J].M. Moeneclaey, The effect of synchronisation errors on MC-CDMA performance,ICC99, Vancouver, Canada.1999,:-[6]T. Pollet, P. Spruyt, M. Moeneclaey, The BER performance of OFDM systems using nonsynchronized sampling, Proc. Globecom94, San Fransisco, CA, Nov. 1994, 253-257.
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出版歷程
  • 收稿日期:  2002-12-16
  • 修回日期:  2003-01-03
  • 刊出日期:  2003-10-19

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