Efficient method of two-dimensional DOA estimation for coherent signals

被引：11

作者：

Shi, Heping ^{[1
]}

Li, Zhuo ^{[2
,5
]}

Liu, Dun ^{[3
]}

Chen, Hua ^{[4
]}

机构：

[1] Tianjin Univ Technol & Educ, Sch Automot & Transportat, Tianjin 300222, Peoples R China

[2] Tianjin Normal Univ, Tianjin Key Lab Wireless Mobile Commun & Power Tr, Tianjin 300387, Peoples R China

[3] Tianjin Univ Technol & Educ, Sch Elect Engn, Tianjin 300222, Peoples R China

[4] Tianjin Univ, Sch Elect Informat Engn, Tianjin 300072, Peoples R China

[5] Tianjin Normal Univ, Coll Elect & Commun Engn, Tianjin 300387, Peoples R China

来源：

EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING | 2017年

基金：

中国国家自然科学基金;

关键词：

Direction-of-arrival (DOA); Two-dimensional (2-D); Coherent sources; Fourth-order cumulants (FOC); L-SHAPED ARRAY; OF-ARRIVAL ESTIMATION; ANGLE ESTIMATION; ELEVATION; AZIMUTH; CUMULANTS; ALGORITHM; MATRICES; ESPRIT;

D O I：

10.1186/s13638-017-0835-1

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：

An effective decoherence method called the fourth-order cumulants-based improved Toeplitz matrices reconstruction (FOC-ITMR) is addressed for two-dimensional (2-D) direction-of-arrival (DOA) estimation of coherent signals. To avoid the loss of the array's physical aperture, the FOC-ITMR method fully utilizes the information of received data from the whole two parallel uniform linear arrays (ULAs) and the changing reference element based on FOC. Compared with previous works, the proposed method can offer excellent decoherence performance in both white noise and color noise environments. In addition, the proposed algorithm can achieve automatic pair-matching without additional computation. The theoretical analysis and simulation results confirm the effectiveness of the proposed algorithm.

引用

页数：10

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