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Channel Model Changes Detecting Method Based on DP-Algorithm
Author(s): 
Pages: 157-161
Year: Issue:  1
Journal: Acta Electronica Sinica

Abstract: 本文提出一种适用于快衰落信道结构的模型变化检测算法.针对信号包络幅值寻找信道模型发生突变的采样时间点,运用动态规划(DP)方法推导了快衰落信道的模型变化检测的理论表达式,构造了信道的变结构模型切换准则.理论分析和仿真实验表明结合幅值变化检测,可有效地找出模型变化采样时间点,并在这些时间点对信道进行模型切换,使估计器达到了较好的估计精度.
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