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一种DDLMS和CMA方法相结合的盲均衡算法 被引量：1

A Integrated Algorithm of DDLMS and Godard for Blind Equilization
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摘要 本文提出了一种适用于M-PAM和M-QAM的新的盲均衡算法:DDLMS-CMA算法。该算法克服了盲均 衡算法Sato、Godard残余误差大的缺点,又保持了快速收敛特性,并且收敛速率比BG算法快,是一种稳定的盲均 衡算法。 In this paper, a new blind equalization algorithm, DDLMS-CMA algorithm, is proposed for M-PAM and M-QAM communication systems. This new algorithm overcomes the shortcoming of large residual error in Sato or Godard algorithm, and preserves the fast convergence performance. Its convergence speed is even faster than BG algorithm, As a stable blind equalization algorithm, it is useful in practice.
作者 吴禀圣 邹志永 吴禀雅 王匡 朱小富
机构地区 浙江大学信电系HDTV课题组
出处 《电路与系统学报》 CSCD 2003年第1期81-84,共4页 Journal of Circuits and Systems
关键词 DDMLS CMA方法 盲均衡 均衡器 HDTV 数字通信 码间干扰 blind equalization equalizer HDTV
分类号 TN914.3 [电子电信—通信与信息系统]
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参考文献5

  • 1[1]Sato Y. A Method of Self-Recovering Equalization for Multilevel Amplitude-Modulation System [J]. IEEE Trans. Comm., 1975, 23(6): 679-682.
  • 2[2]Godard D N. Self-Recovering Equalization and Carrier Tracking in Two-Dimensional Data Communication Systems [J]. IEEE Transactions on Communication, 1980, 28(11): 1867-1875.
  • 3[3]Benveniste A, Goursat M. Blind Equalizers [J]. IEEE Transactions on Communication, 1984, 32 (8): 871-883.
  • 4[4]Deshpande N. Fast recovery equalization techniques for DTV signals [J]. IEEE Transactions on Broadcasting, 1997,43 (4): 370-377.
  • 5[5]Johnson C R. Admissibility in Blind Adaptive Channel Equalization [J]. IEEE Control Systems Magazine, 1991, 11: 3-15.

同被引文献10

  • 1宋杰,胡波.一种基于二阶统计量的盲均衡算法[J].电路与系统学报,2006,11(2):119-123. 被引量：6
  • 2Y Sato. A method of self-recovering equalization for multiple amplitude modulation schemes [J]. IEEE Trans. on communication, 1975, 23: 679-682.
  • 3Zhang Liyi, Zhang Xiaoqin, Wang Huakui, et al. The Research of Blind Detection Algorithm Based on Fifth-Second Order Normalized Cumulant [A]. 5th International Symposium on Test and Measurement [C]. 2003.4713-4716.
  • 4Yang J, Wemer J J, Dumont A G. The Multimodulus Blind Equalization and Its Generalized Algorithms [J]. IEEE Journal on Selected Areas in Communication, 2002, 20(5): 997-1015.
  • 5Rafael Ferrari. Unsupervised channel equalization using fuzzy prediction-error filters [J]. IEEE XlII Workshop on Neural Network for signal processing, 2003. 869-878.
  • 6S Chen, A Wolfgang, L Hanzo. ConStant modulus algorithm aided soft decision directed scheme for blind space-time equalisation of SIMO channels [J]. Signal Processing, 2007.87: 2587-2599.
  • 7D N Godard. Self-recovering equalization and carrier tracking in two-dimensional data communication systems [J]. IEEE Trans. on Communication, 1980, 28: 1867-1875.
  • 8林仁刚,郭业才,朱婕,周巧喜.基于T/4分数间隔的盲均衡算法研究[J].系统仿真学报,2007,19(24):5786-5788. 被引量：3
  • 9张玲.无线通信中的恒模类盲均衡算法研究[J].通信技术,2007,40(12):72-73. 被引量：8
  • 10张炜,戴旭初.一种分数间隔恒模算法的宽带盲均衡器[J].中国科学技术大学学报,2009,39(9):961-969. 被引量：1

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电路与系统学报
2003年 第1期

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