Title :
Mutual coupling calibration for uniform circular array using a single source
Author :
Tingting Ouyang ; Liang Qian ; Lianghui Ding ; Feng Yang
Author_Institution :
Inst. of Wireless Commun. Technol., Shanghai Jiao Tong Univ., Shanghai, China
Abstract :
In this paper, we propose a novel distortion calibration algorithm for uniform circular array (UCA) based on its special structure. A near-field calibration antenna, located in the center of circular array, is used to estimate the gain and phase uncertainties of elements. Besides, a single far-field source is used to estimate the direction-of-arrival (DoA) and mutual coupling matrix (MCM). Finally, simulation results are given to demonstrate the effectiveness of the proposed method.
Keywords :
antenna arrays; antenna radiation patterns; calibration; direction-of-arrival estimation; electromagnetic coupling; matrix inversion; receiving antennas; DoA estimation; MCM; UCA distortion calibration algorithm; direction-of-arrival estimation; element gain uncertainty estimation; element phase uncertainty estimation; mutual coupling matrix calibration; near-field calibration antenna; single far-field source; uniform circular array; Arrays; Calibration; Couplings; Direction-of-arrival estimation; Estimation; Mutual coupling; Vectors; antenna array; direction-of-arrival (DoA) estimation; mutual coupling calibration; uniform circular array (UCA);
Conference_Titel :
Wireless Communications and Signal Processing (WCSP), 2014 Sixth International Conference on
Conference_Location :
Hefei
DOI :
10.1109/WCSP.2014.6992144
