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基于盲均衡的高阶QAM信号调制识别算法

王彬 葛临东

王彬, 葛临东. 基于盲均衡的高阶QAM信号调制识别算法[J]. 电子与信息学报, 2007, 29(8): 1882-1886. doi: 10.3724/SP.J.1146.2005.01693
引用本文: 王彬, 葛临东. 基于盲均衡的高阶QAM信号调制识别算法[J]. 电子与信息学报, 2007, 29(8): 1882-1886. doi: 10.3724/SP.J.1146.2005.01693
Wang Bin, Ge Lin-dong. An Algorithm for Modulation Classification of Higher Order QAM Signals Based on Blind Equalization[J]. Journal of Electronics & Information Technology, 2007, 29(8): 1882-1886. doi: 10.3724/SP.J.1146.2005.01693
Citation: Wang Bin, Ge Lin-dong. An Algorithm for Modulation Classification of Higher Order QAM Signals Based on Blind Equalization[J]. Journal of Electronics & Information Technology, 2007, 29(8): 1882-1886. doi: 10.3724/SP.J.1146.2005.01693

基于盲均衡的高阶QAM信号调制识别算法

doi: 10.3724/SP.J.1146.2005.01693
基金项目: 

国家部级基金资助课题

An Algorithm for Modulation Classification of Higher Order QAM Signals Based on Blind Equalization

  • 摘要: 该文针对多径条件下的高阶QAM信号,提出了一种基于改进的HY-NCMA盲均衡方法的调制识别算法。与已有算法相比,均衡器不仅能够纠正载波相位偏转,而且提高了收敛速度;此外,算法提出了新的识别特征,降低了所需要的数据量和运算量,提高了识别率。仿真表明,在中、高信噪比条件下,具有良好的识别效果。
  • Yang Y, Liu C, and Song T. A log-likelihood classification of QAM signal classification[J].Signal Processing.1998,70(1):61-71[2]詹亚锋,曹志刚,马正新. M-QAM信号的调制制式识别[J]. 通信学报,2004, 25(2): 68-74. Zhan Ya-feng, Cao Zhi-gang, and Ma Zheng-xin. Modulation classification of M-QAM signals[J]. Journal of China Institute of Communications, 2004, 25(2): 68-74.[3]Dobre A, Bar-Ness Y, and Su Wei. Robust QAM modulation classification algorithm using cyclic cumulants[A]. Proc. WCNC 2004[C], Atlanta, GA, USA, 2004, 2: 745-748.[4]Barbarossa S, Swami A, Sadler B, and Spadafora G. Classification of digital constellations under unknown multipath propagation conditions[A], Proc. of SPIE, Digital wireless comm. II[C], Orlando, Florida, USA, 2000: 175-186.[5]徐金标,王育民. 用于多电平QAM调制的新型的自恢复均衡技术的研究[J]. 电子学报, 1997, 25(7): 38-42. Xu Ji-biao and Wang Yu-min. A study of new self-recovery equalization techniques for multi-level QAM modulation[J]. Acat Electronica Sinica, 1997, 25(7): 38-42.[6]Li T H and Mbarek K. A blind equalization for non-stationary discrete-valued signals[J].IEEE Trans. on Signal Processing.1997, 45(1):247-254[7]Barbarossa S and Scaglione A. Blind equalization using cost function matched to the signal constellation[A][J].Proc. 31st Asilomar Conf. on Signal System Computer[C]. Pacific Grove, CA, USA.1997, 1:550-554[8]Benveniste A, Metivier M, and Spadafora G. Adaptive Algorithms and Stochastic Approximations[M]. New York: Spring-Verlag, 1990, 2: 160.[9]Simon Haykin. Adaptive Filter Theory[M]. The fourth edition, N.J., USA: Prentice Hall, 2002: 203-204.
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  • 被引次数: 0
出版历程
  • 收稿日期:  2005-12-28
  • 修回日期:  2007-03-12
  • 刊出日期:  2007-08-19

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