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Performance analysis of self-calibration algorithm for concentric-UCA

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2 Author(s)
Chen Hui ; Key Res. Lab. of Radar Inst., Wuhan Radar Inst., Wuhan, China ; Bao Zheng

A new decoupling algorithm is proposed to estimate DOA of concentric uniform circular arrays (C-UCA). The new algorithm can calibrates mutual coupling of the inner sub-arrays, compensate for mutual coupling between sub-arrays, and then estimate DOA of signal sources. This algorithm transforms joint problem into cascade problem and gets the parameters by one dimension spectrum peak value searching, which avoids multidimensional nonlinear searching of multi-parameters joint estimation. The simulation and theoretic analysis validate the good performance of the proposed algorithm.

Published in:

Wireless Communications and Signal Processing (WCSP), 2010 International Conference on

Date of Conference:

21-23 Oct. 2010