A 23.8–30.4-GHz vector-modulated phase shifter with two-stage current-reused variable-gain amplifiers achieving 0.23° minimum RMS phase error

L Zhang, Y Shen, L de Vreede… - IEEE Solid-State Circuits …, 2022 - ieeexplore.ieee.org
This letter presents a millimeter-wave (mm-wave) vector-modulated phase shifter (VMPS) for
phased-array applications. To improve the phase-shift accuracy without drastically …

A lightweight deep learning-based algorithm for array imperfection correction and doa estimation

W Fang, Z Cao, D Yu, X Wang, Z Ma… - Journal of …, 2022 - ieeexplore.ieee.org
Array imperfections will lead to serious performance degradation of the deep neural network
(DNN) based direction of arrival (DOA) estimation in the low earth orbit (LEO) satellite …

The Generalization of Stage-Reduced STPS for Low-Loss Unequal 1× 4 Phased Array Architecture for 5G IoT Applications

A woo Lee, S hyuk Kim, D min Lee… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
In this work, the stage-reduced switched type phase shifter (STPS)-based low loss and
unequal phased array architecture without any power consumption is presented for 5G …

A Wideband CMOS Active Phase Shifter Using a Transformer-Based RL Polyphase Filter

T Xu, K Long, H Zhu, C Wan, S Deng… - IEEE Microwave and …, 2024 - ieeexplore.ieee.org
A millimeter-wave CMOS active vector-sum phase shifter (VSPS) with a phase resolution of
5.625° using a two-stage transformer-based resistor and inductor (RL) polyphase filter (PPF) …

Analysis and Design of Wideband Active Single-Sideband Time Modulator in 0.13-m CMOS

G Cheng, JD Zhang, Q Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A wideband active single-sideband time modulator (STM) is proposed in this paper, which
achieves high-resolution frequency-independent phase shifting performance through high …

A Wideband Compact Digitally-Assisted Variable Gain Phase Shifter for Ka-Band Applications

T Zhang, H Chen, W Lu, Q Lu, X Yin… - … on Circuits and …, 2024 - ieeexplore.ieee.org
A wideband, compact, digitally-assisted variable gain phase shifter (VGPS) in a 65-nm
CMOS process is presented for Ka-band applications. A digitally-assisted variable gain …

CMOS variable-gain phase shifter based on time-varying vector-sum method and its application to Ku-band phased array

G Cheng, JD Zhang, Q Chen, B Sima, W Wu - Microelectronics Journal, 2023 - Elsevier
In this paper, a new time-varying vector-sum method is proposed for variable-gain phase
shifter design. By introducing a time variable into the conventional vector-sum phase shifter …

A High Gain Vector-Sum Phase Shifter in 28-nm CMOS for 5G communication

J Kim, S Oh, J Oh - 2022 IEEE International Symposium on …, 2022 - ieeexplore.ieee.org
This paper presents a high gain vector-sum phase shifter for mmWave communication in a
28 nm CMOS process. The proposed phase shifter consists of an input matching network …

A low phase error vector modulator using TEST tunable I/Q generator for mmWave communication

J Kim, S Oh, J Oh - IEEE Microwave and Wireless Technology …, 2023 - ieeexplore.ieee.org
This letter presents a low phase error with a high gain vector modulator in a 28 nm CMOS
process. It consists of an input balun network (IBN), a tunable I/Q generator, a variable gain …

0.78°–1.22° RMS Phase Error, 0.14–0.32 dB RMS Gain Error, K-Band 4-Channel Phased Array Receiver IC for Satcom on the Move (SOTM)

Y Zhang, F Huang, X Tang, Z Wei… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This brief presents a high accuracy high linearity K-band 4-channel phased array receiver
for satellite communication (SATCOM). Structural improvement and parameter optimization …