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http://dx.doi.org/10.5370/KIEE.2015.64.5.786

Antenna Array Compensation for Improved DOA Estimation  

Song, Heemang (Dept. of Electronic Engineering, Soongsil University)
Cho, Seunghoon (Dept. of Electronic Engineering, Soongsil University)
Lee, Jaeeun (Mando)
Jeong, Seonghee (Mando)
Shin, Hyun-Chool (Dept. of Electronic Engineering, Soongsil University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.64, no.5, 2015 , pp. 786-791 More about this Journal
Abstract
This paper presents a signal processing method for calibrating an antenna array to solve the inaccuracy of Direction of Arrival(DOA). Using reference data quantifying amplitude and phase distortion levels for each angles, we compensate each radar array’s amplitude and phase distortion. The proposed method is applied to the Bartlett, Capon and MUSIC algorithms, Using 77 GHz Frequency Modulated Continuous Wave(FMCW) Long Range Radar(LRR) signal, we experimentally demonstrate the performance improvement after the proposed compensation.
Keywords
Antenna array processing; DOA; Array compensation; Radar;
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