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A Super-Resolution Time Delay Estimation Based on the MUSIC-Type Algorithm

Feng-Xiang GE, Qun WAN, Jian YANG, Ying-Ning PENG

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Summary :

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 MUSIC-type method and the other conventional methods is presented to show the advantages of the proposed method in this paper.

Publication
IEICE TRANSACTIONS on Communications Vol.E85-B No.12 pp.2916-2923
Publication Date
2002/12/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Antenna and Propagation

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