Title :
Comments on "Blind Calibration and DOA Estimation With Uniform Circular Arrays in the Presence of Mutual Coupling"
Author :
De-yuan Gao ; Wang, Bu-hong ; Guo, Ying
Author_Institution :
Sch. of Comput. Sci. & Eng., Northwestern Polytech. Univ., Xi´´an
Abstract :
A modification of the proposed algorithm is suggested for better numerical stability and less computation load. The overlooked parameter identifiability problem of the proposed algorithm is discussed in detail. Besides, solution to the ambiguous DOA estimates is also proposed.
Keywords :
antenna arrays; array signal processing; calibration; direction-of-arrival estimation; DOA estimation; blind calibration; mutual coupling; numerical stability; parameter identifiability problem; uniform circular arrays; Array signal processing; Calibration; Degradation; Direction of arrival estimation; Geometry; Mutual coupling; Numerical stability; Parameter estimation; Signal processing algorithms; Symmetric matrices; Array signal processing; calibration; mutual coupling;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2006.883953
