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2012-05-25
Decoupled Unitary ESPRIT Algorithm for 2-d DOA Estimation
By
Progress In Electromagnetics Research C, Vol. 29, 219-234, 2012
Abstract
In this paper, a new decoupled Unitary ESPRIT algorithm for two-dimensional (2-D) direction-of-arrival (DOA) estimation is presented. By exploiting the centro-symmetric array configurations of two parallel uniform linear arrays (TP-ULAs) and utilizing the via rotational invariance techniques, the proposed algorithm has advantages as listed below. First, the algorithm enables decoupling the estimation problem into a two-step estimation problem and obtains the automatically matched 2-D DOAs. Second, employing the elements of the array fully, the algorithm can estimate 2-D DOAs up to 2(M−1), where 2M is the sensor number of the array. Besides, the computational complexity of the proposed algorithm is lower than other representative 2-D DOA estimation methods. Simulation results are presented to show the effectiveness of the proposed method.
Citation
Jiacai Jiang, and Lu Gan, "Decoupled Unitary ESPRIT Algorithm for 2-d DOA Estimation," Progress In Electromagnetics Research C, Vol. 29, 219-234, 2012.
doi:10.2528/PIERC12040511
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