Two-Dimensional DOA Estimation with a New Angles Pairing Method

• Main Authors: Yi-jen Chang, 張議仁
• Other Authors: Dah-chung Chang
• Format: Others
• Language: zh-TW
• Published: 2015
• Online Access: http://ndltd.ncl.edu.tw/handle/01646403504201456211

碩士 === 國立中央大學 === 通訊工程學系 === 103 === A novel method is presented in this paper for pair matching of elevation and azimuth angles in a two-dimensional direction-of-arrival estimation problem, employing the antenna configuration of two uniform linear arrays. The proposed method exploits maximum likelihood estimation to pair two individual DOA angles in a 3-D space from the received signals impinging on each ULA, and consequently, multiple sources' DOAs can be identified automatically. Simulation results show that the proposed method has better performance in case of small angular separation among multiple signal sources compared to the conventional methods.The proposed method also has less computational complexity and higher estimation accuracy than the previously published works.