A super-resolution time delay estimation based on the MUSIC-type algorithm

被引：0
|
作者：
Ge, FX [1 ]
Wan, Q [1 ]
Yang, J [1 ]
Peng, YN [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2002年 / E85B卷 / 12期
关键词：
super-resolution time delay estimation; MUSIC-type algorithm; single-experiment data; correlation;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The problem of the super-resolution time delay estimation of the real stationary signals is addressed in this paper. The time delay estimation is first converted into a frequency estimation problem. Then a MUSIC-type algorithm to estimate the subsequent frequency from the single-experiment data is proposed, which not only avoids the mathematical model mismatching but also utilizes the advantages of the subspace-based methods. The mean square errors (MSEs) of the time delay estimate of the MUSIC-type method for varying signal-to-noise (SNR) and separation of two received signal components are shown to illustrate that they approximately coincide with the corresponding Cramer-Rao bound (CRB). Finally, the comparison between the MUSlC-type method and the other conventional methods is presented to show the advantages of the proposed method in this paper.
引用
收藏
页码：2916 / 2923
页数：8
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