Title :
Performance analysis of self-calibration algorithm for concentric-UCA
Author :
Hui, Chen ; Zheng, Bao
Author_Institution :
Key Res. Lab. of Radar Inst., Wuhan Radar Inst., Wuhan, China
Abstract :
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.
Keywords :
antenna arrays; array signal processing; calibration; direction-of-arrival estimation; DOA estimation; cascade problem; concentric UCA; concentric uniform circular arrays; multidimensional nonlinear searching; mutual coupling calibration algorithm; Algorithm design and analysis; Antenna arrays; Couplings; Direction of arrival estimation; Estimation; Mutual coupling; Signal to noise ratio; Concentric UCA; DOA estimation; Mutual coupling; Self-calibration component;
Conference_Titel :
Wireless Communications and Signal Processing (WCSP), 2010 International Conference on
Conference_Location :
Suzhou
Print_ISBN :
978-1-4244-7556-8
Electronic_ISBN :
978-1-4244-7554-4
DOI :
10.1109/WCSP.2010.5633451
