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《Journal of Beijing University of Posts and Telecommunications》 2012-03
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A New Adaptive Equalization Aimed at the Inter-Symbol Interference Based on New Quasi-Newton Algorithm

SHI Wei(1.School of Aeronautics and Astranautics,Central South University,Changsha 410083,China; 2.Powder Metallurgy Research Institute,Central South University,Changsha 410083,China)  
Solving the problem of algorithm in modern communication channel,a new method of quasi-Newton least mean square adaptive equalization is proposed.By replacing inverse matrix calculation of LMS/Newton correlation function by symmetric positive-definite Hesse matrix,the proposed algorithm reduces the influence of traditional auto-correlation matrix estimate error for the algorithm convergence.Equalization simulation shows that higher convergence speed and lower bit error rate are obtained.
【Fund】: 湖南省自然科学基金项目(11JJ3064);; 中南大学中央高校基本科研业务费专项项目(2011QNZT048);; 湖南省博士后科研专项计划项目(2011RS4074)
【CateGory Index】: TN911.5
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