Accurate knowledge of initial complex excitation coefficients for phased-array elements is
essential to ensure accurate array performance. In the literature, many array calibration …

Phased array antennas have played a very important role in many different areas and
applications. It requires precise excitation of each antenna element by various synthesis …

This letter presents an improved phased array calibration method based on measured
complex array signals with one single probe. All the phased array elements are excited …

For the millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems,
hybrid beamforming has been proposed to reap a great gain of the large number of …

One key communication block in 5G and 6G radios is the active phased array (APA). To
ensure reliable operation, efficient and timely fault diagnosis of APAs on-site is crucial. To …

The retrodirective or retroreflective method has been used as a radio-frequency
beamforming method for massive antenna array, for wireless communication systems …

Antenna-in-package (AiP) technology has been a main design scheme of millimeter-wave
(mmWave) phased array antennas for 5G communications. The beamforming pattern of …

This article presents a novel phased array antenna calibration method. Unlike conventional
phased array calibration methods equipped with only one probe antenna in the far-field …

This paper presents a new self-calibration method for vector-sum phase shifters (PS) to
compensate for process variations and achieve reconfigurable operating frequency. The …

In this letter, a neural network-based interelement phase estimation method using radiation
power pattern of the linear phased array is proposed. To validate the proposed method, a …