A review of multibeam phased array antennas as LEO satellite constellation ground station

G He, X Gao, L Sun, R Zhang - IEEE Access, 2021 - ieeexplore.ieee.org
Small satellites in low Earth orbit (LEO) are typically organized as a satellite constellation.
The satellite number of a LEO satellite constellation would be several hundred or even tens …

The role of millimeter-wave technologies in 5G/6G wireless communications

W Hong, ZH Jiang, C Yu, D Hou… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Ever since the deployment of the first-generation of mobile telecommunications, wireless
communication technology has evolved at a dramatically fast pace over the past four …

Over-the-air array calibration of mmWave phased array in beam-steering mode based on measured complex signals

Z Wang, F Zhang, H Gao, O Franek… - … on Antennas and …, 2021 - ieeexplore.ieee.org
Accurate knowledge of initial complex excitation coefficients for phased-array elements is
essential to ensure accurate array performance. In the literature, many array calibration …

Impact analysis and calibration methods of excitation errors for phased array antennas

G He, X Gao, R Zhang - IEEE Access, 2021 - ieeexplore.ieee.org
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 …

Improved rotating-element electric-field vector method for fast far-field phased array calibration

HJ Yoon, BW Min - IEEE Transactions on Antennas and …, 2021 - ieeexplore.ieee.org
We present a fast far-field phased array calibration/beamforming method. An improved
version of the rotating-element electric-field vector (REV) method, which is used to calibrate …

Validation and testing of initial and in-situ mutual coupling-based calibration of a dual-polarized active phased array antenna

RM Lebrón, PS Tsai, JM Emmett, C Fulton… - IEEE …, 2020 - ieeexplore.ieee.org
This paper presents experimental results of an initial and in-situ mutual coupling calibration
techniques of an active phased array antenna. The antenna is a dual-polarized 64-element …

Improved over-the-air phased array calibration based on measured complex array signals

F Zhang, W Fan, Z Wang, Y Zhang… - IEEE Antennas and …, 2019 - ieeexplore.ieee.org
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 …

Robust and efficient fault diagnosis of mm-wave active phased arrays using baseband signal

MH Nielsen, Y Zhang, C Xue, J Ren… - … on Antennas and …, 2022 - ieeexplore.ieee.org
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 …

A self-calibration method for 5G full-digital TDD beamforming systems using an embedded transmission line

C Guo, L Tian, ZH Jiang, W Hong - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this article, a self-calibration method for 5G full-digital time-division duplexing (TDD)
beamforming systems is proposed and demonstrated, including the self-calibration for both …

A fast and efficient calibration method for phased array antennas using fourier-structured excitation matrix

S Tang, Z Wang, C Pan, R Su, W Fan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
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 …