QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于鲁棒协方差矩阵估计的盲信道识别方法

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Date of Publication:2010-09-15

Journal:数据采集与处理

Included Journals:PKU、ISTIC、CSCD

Volume:25

Issue:5

Page Number:549-553

ISSN No.:1004-9037

Key Words:盲信道识别;α-稳定分布;m-估计;散布矩阵

Abstract:为了提高基于二阶协方差矩阵的盲信道识别方法在脉冲噪声环境下的性能,以α稳定分布过程为脉冲噪声模型,利用m-估计的方法得到该脉冲噪声信道下接收信号协方差矩阵的鲁棒估计,再利用噪声子空间的方法实现信道的盲识别.仿真结果表明,该方法在脉冲噪声环境下的性能要明显优于传统的基于二阶统计协方差矩阵的盲信道识别方法的性能.

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