reduced-complexity direction of arrival estimation using real-valued computation with arbitrary array configurations
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ID: 187617
2018
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Abstract
A low-complexity algorithm is presented to dramatically reduce the complexity of the multiple signal classification (MUSIC) algorithm for direction of arrival (DOA) estimation, in which both tasks of eigenvalue decomposition (EVD) and spectral search are implemented with efficient real-valued computations, leading to about 75% complexity reduction as compared to the standard MUSIC. Furthermore, the proposed technique has no dependence on array configurations and is hence suitable for arbitrary array geometries, which shows a significant implementation advantage over most state-of-the-art unitary estimators including unitary MUSIC (U-MUSIC). Numerical simulations over a wide range of scenarios are conducted to show the performance of the new technique, which demonstrates that with a significantly reduced computational complexity, the new approach is able to provide a close accuracy to the standard MUSIC.
| Reference Key |
yan2018internationalreduced-complexity
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|---|---|
| Authors | ;Feng-Gang Yan;Jun Wang;Shuai Liu;Yi Shen;Ming Jin |
| Journal | american journal of physiology endocrinology and metabolism |
| Year | 2018 |
| DOI |
10.1155/2018/3284619
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| URL | |
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