A CMOS dual-polarized phased-array beamformer utilizing cross-polarization leakage cancellation for 5G MIMO systems

J Pang, Z Li, X Luo, J Alvin… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
This article introduces a power-efficient and low-cost CMOS 28-GHz phased-array
beamformer supporting fifth-generation (5G) dual-polarized multiple-in-multiple-out …

A 28-GHz phased-array relay transceiver for 5G network using vector-summing backscatter with 24-GHz wireless power and LO transfer

M Ide, A Shirane, K Yanagisawa, D You… - IEEE Journal of Solid …, 2022 - ieeexplore.ieee.org
This article introduces a wirelessly powered phased-array transceiver for fifth-generation
(5G) relay systems. To realize the battery-less relay operation, 24-GHz wireless power …

A Ka-band 16-element deployable active phased array transmitter for satellite communication

D You, Y Takahashi, S Takeda… - 2021 IEEE MTT-S …, 2021 - ieeexplore.ieee.org
This work presents a Ka-band 16-element deployable active phased array transmitter (TX)
for satellite communication (SATCOM) in low earth orbit (LEO). To reduce the launch cost …

Maximizing energy efficiency in sub-THz radio communication and prospective toward 6G

K Okada - 2022 IEEE BiCMOS and Compound Semiconductor …, 2022 - ieeexplore.ieee.org
Maximizing Energy Efficiency in Sub-THz Radio Communication and Prospective toward 6G
Page 1 Maximizing Energy Efficiency in Sub-THz Radio Communication and Prospective toward …

A flexible element antenna for Ka-band active phased array SATCOM transceiver

D You, D Awaji, A Shirane… - 2020 IEEE Asia …, 2020 - ieeexplore.ieee.org
An element antenna for a Ka-band flexible active phased array transceiver (TRX) on a liquid
crystal polymer (LCP) board is designed to keep a smaller volume while it is being launched …

Design of a 39-GHz compact bi-directional variable gain amplifier in 65-nm CMOS

X Chen, D Cheng, T Zhang, Q Chen, J Feng, X Wu… - Microelectronics …, 2023 - Elsevier
This paper presents a differential two-stage 39-GHz bi-directional variable gain amplifier (Bi-
VGA) for 5G mm-Wave applications. Based on a phase compensated bi-directional structure …

A 256-Element Phased-Array Relay Transceiver for 5G Network Using 24-GHz Wireless Power Transfer With Discrete ICs

M Ide, K Yuasa, S Kato, T Tomura… - IEEE Microwave and …, 2024 - ieeexplore.ieee.org
This letter introduces a 256-array wirelessly powered phased-array transceiver with 24-GHz
wireless power transfer (WPT) for 28-GHz millimeter-wave 5G communication. The 256 …

A 60-GHz Phase-Invariant Variable Gain LNA With T/R Switch and Gain Interpolation Techniques in 65-nm CMOS

X Chen, D Cheng, X Ma, J Feng, Q Chen… - IEEE Microwave and …, 2024 - ieeexplore.ieee.org
This letter presents a three-stage 60-GHz phase-invariant variable gain low-noise amplifier
(VG-LNA) with accurate gain tuning step and large gain tuning range. A single-ended …

Millimeter-Wave CMOS Phased-Array Transceivers for 5G and Beyond

K Okada, J Pang, A Shirane, Z Li… - 2022 IEEE 33rd …, 2022 - ieeexplore.ieee.org
This work first discusses the future directions of millimeter-wave wireless communication,
based on Shannon and Friis equations. Afterward, 28-GHz and 39-GHz phased-array …

A 28GHz High-Accuracy Phase and Amplitude Detection Circuit for Dual-Polarized Phased-Array Calibration

Y Yamazaki, J Alvin, J Pang, A Shirane… - IEICE Transactions on …, 2023 - search.ieice.org
This article presents a 28GHz high-accuracy phase and amplitude detection circuit for dual-
polarized phased-array calibration. With dual-polarized calibration scheme, external LO …