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2020 | OriginalPaper | Buchkapitel

Compressive Sensing Approach for DOA Estimation Based on Sparse Arrays in the Presence of Mutual Coupling

verfasst von : Jian Zhang, Zhenzhen Duan, Yang Zhang, Jing Liang

Erschienen in: Communications, Signal Processing, and Systems

Verlag: Springer Singapore

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Abstract

In the process of direction-of-arrival (DOA) estimation, the difference co-array of sparse arrays can achieve high degrees of freedom, which can be utilized to detect more signal sources than physical sensors based on spatial smoothing (SS) algorithm. In this paper, we present a method for DOA estimation using sparse signal recovery through compressive sensing (CS) approach in the presence of mutual coupling. Compared with SS algorithm, CS approach achieves a lower estimation error. Additionally, simulation results show that the estimation error of CS approach increases with the increase of mutual coupling. Also, it increases with the increase of the grid interval of the entire DOA space.

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Metadaten
Titel
Compressive Sensing Approach for DOA Estimation Based on Sparse Arrays in the Presence of Mutual Coupling
verfasst von
Jian Zhang
Zhenzhen Duan
Yang Zhang
Jing Liang
Copyright-Jahr
2020
Verlag
Springer Singapore
DOI
https://doi.org/10.1007/978-981-13-6504-1_151

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