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http://dx.doi.org/10.5762/KAIS.2011.12.6.2777

Analysis of DOA Estimation and Adaptive Beam-forming of MIMO between Linear-circular Array Antennas  

Yang, Doo-Yeong (Dept. of Telecommunication Engineering, Jeju National University)
Lee, Min-Soo (Dept. of Telecommunication Engineering, Daejin University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.12, no.6, 2011 , pp. 2777-2784 More about this Journal
Abstract
In this paper, DOA(direction of arrival) of multiple incident signals received from linear array antenna and circular array antenna, which is based on nonparametric estimation algorithm, and adaptive beam-forming algorithm are studied and analyzed. In nonparametric estimation algorithm, we minimize a regularized objective function for finding a estimate of the signal energy as a function of angle, using nonquadratic norm which leads to supper resolution and noise suppression. And then, DOA is estimated by the signal and noise spatial steering vector, and adaptive beam-forming pattern is improved by weight vectors obtained from the spatial vector. Especially, the discrimination ability of DOA and the adaptive beam-forming ability according to antenna array methods and the number of array elements are compared and considered.
Keywords
linear array; Circular array; DOA; Nonparametric Estimation algorithm; Adaptive Beam-forming pattern; Weight vector; Super resolution;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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