Predistortion-based linearization for 5G and beyond millimeter-wave transceiver systems: A comprehensive survey

MF Haider, F You, S He, T Rahkonen… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
The next-generation (5G/6G) wireless communication aims to leapfrog the currently
occupied sub-6 GHz spectrum to the wideband millimeter-wave (MMW) spectrum. However …

Design and analysis of a low loss, wideband digital step attenuator with minimized amplitude and phase variations

I Song, MK Cho, JD Cressler - IEEE Journal of Solid-State …, 2018 - ieeexplore.ieee.org
A compact, low loss, wideband digital step attenuator (DSA) is presented. The proposed
DSA utilizes amplitude/phase-compensated T-type attenuator cells, in which the locations of …

Accurate dB-linear variable gain amplifier with gain error compensation

I Choi, H Seo, B Kim - IEEE Journal of Solid-State Circuits, 2012 - ieeexplore.ieee.org
This paper describes use of a novel exponential approximation for designing dB-linear
variable gain amplifiers (VGAs). The exponential function is accurately generated using a …

Temperature-compensated dB-linear digitally controlled variable gain amplifier with DC offset cancellation

TB Kumar, K Ma, KS Yeo - IEEE Transactions on Microwave …, 2013 - ieeexplore.ieee.org
This paper presents a compact digitally controlled variable gain amplifier (DVGA) with
capabilities of both temperature compensated linear-in-decibel (dB-linear) gain control and …

Phase-delay cold-FET pre-distortion linearizer for millimeter-wave CMOS power amplifiers

KY Kao, YC Hsu, KW Chen… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
A phase-delay cold-FET pre-distortion linearizer technique is proposed to improve the gain
compensation ability compared with the conventional cold-FET pre-distortion linearizer. The …

A low-power wideband dB-linear variable gain amplifier with DC-offset cancellation for 60-GHz receiver

L He, L Li, X Wu, Z Wang - IEEE Access, 2018 - ieeexplore.ieee.org
This paper presents a two-channel (I+ Q) variable gain amplifier (VGA) for low power 60-
GHz wireless receiver. The VGA consists of four-stage gain cells, an efficient DC-offset …

A 7.9-mW 5.6-GHz digitally controlled variable gain amplifier with linearization

TB Kumar, K Ma, KS Yeo - IEEE Transactions on Microwave …, 2012 - ieeexplore.ieee.org
This paper presents the design and validation of a compact high-performance digitally
controlled variable-gain amplifier (DVGA). By using MOS switches and a linearizer, the …

A linear GaN power amplifier using novel transistor based analog predistortion method

Q Cai, W Che, K Ma - … Materials and Processes for RF and THz …, 2016 - ieeexplore.ieee.org
This paper presents a novel transistor based analog predistortion method and its application
in designing a linear GaN power amplifier (PA). The proposed analog predistorter (APD) can …

An 800 MHz-to-3.3 GHz 20-MHz channel bandwidth WPD CMOS power amplifier for multiband uplink radio transceivers

S Mariappan, J Rajendran, H Ramiah… - … on Circuits and …, 2020 - ieeexplore.ieee.org
This brief describes a novel Wideband Pre-Distortion (WPD) mechanism as a linearization
technique for bandwidth-limited CMOS power amplifiers (PAs). The WPD comprises a …

[PDF][PDF] Analog predistortion for improvement of RF power amplifier efficiency and linearity

M Cho - A Dissertation presented to the Academic Faculty in …, 2016 - core.ac.uk
A radio frequency (RF) power amplifier (PA) is one of the most important components in
wireless communication systems because its performance determines many overall system …