Array calibration techniques for DOA estimation with arbitrary array using root-MUSIC algorithm
Yuta Takahashi, Hiroyoshi Yamada, Yoshio Yamaguchi · 2011 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications · 2011
In recent years, high-resolution Direction of Arrival (DOA) estimation with an array antenna has become indispensable for various applications such as microwave-power transmission and reception. In actual measurement, however, DOA estimation accuracy is deteriorated by many error factors. Furthermore, almost all the computationally efficient DOA estimation algorithm can apply to the uniform arrays. In this report, we proposed the calibration method for Root-MUSIC which is low computationally efficient method with an arbitrary array.