Title :
DOA estimation and self-calibration algorithm for nonuniform linear array
Author :
Dai, Jisheng ; Zhao, Dean ; Ye, Zhongfu
Author_Institution :
Coll. of Electron. & Inf. Eng., Jiangsu Univ., Zhenjiang, China
Abstract :
This paper presents a direction of arrival (DOA) estimation algorithm in the presence of sensor mutual coupling, gain and phase uncertainties for a special nonuniform linear array (NLA). Based on our NLA model, more general linear array geometry can be exploited to improve upon estimation capacity, and the DOAs can be accurately estimated without any calibration sources. Moreover, our algorithm can also be applied to nonuniform circular array (NCA). Simulation results demonstrate the effectiveness of the algorithm.
Keywords :
calibration; direction-of-arrival estimation; DOA estimation; direction of arrival estimation algorithm; nonuniform circular array; nonuniform linear array; self calibration algorithm; sensor mutual coupling; Arrays; Direction of arrival estimation; Estimation; Mutual coupling; Signal processing algorithms; Signal to noise ratio;
Conference_Titel :
Intelligent Signal Processing and Communication Systems (ISPACS), 2010 International Symposium on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-7369-4
DOI :
10.1109/ISPACS.2010.5704752
