Linearity and efficiency in 5G transmitters: New techniques for analyzing efficiency, linearity, and linearization in a 5G active antenna transmitter context
Every new generation of mobile systems should provide higher capacity, serve more users,
be more energy efficient, and have lower cost. Radio-access hardware constitutes a major …
be more energy efficient, and have lower cost. Radio-access hardware constitutes a major …
Beam-oriented digital predistortion for 5G massive MIMO hybrid beamforming transmitters
In this paper, we propose a beam-oriented digital predistortion (BO-DPD) technique for
power amplifiers (PAs) in hybrid beamforming massive multiple-input multiple-output (MIMO) …
power amplifiers (PAs) in hybrid beamforming massive multiple-input multiple-output (MIMO) …
Digital predistortion for multi-antenna transmitters affected by antenna crosstalk
K Hausmair, PN Landin, U Gustavsson… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
In this paper, a digital predistortion (DPD) technique for wideband multi-antenna transmitters
is proposed. The proposed DPD compensates for the combined effects of power amplifier …
is proposed. The proposed DPD compensates for the combined effects of power amplifier …
Full-angle digital predistortion of 5G millimeter-wave massive MIMO transmitters
In this paper, a full-angle digital predistortion (DPD) technique is proposed to linearize fifth-
generation (5G) millimeter-wave (mmWave) massive multiple-input-multipleoutput (mMIMO) …
generation (5G) millimeter-wave (mmWave) massive multiple-input-multipleoutput (mMIMO) …
Piecewise digital predistortion for mmWave active antenna arrays: Algorithms and measurements
In this article, we describe a novel framework for digital predistortion (DPD)-based
linearization of strongly nonlinear millimeter-wave active antenna arrays. Specifically, we …
linearization of strongly nonlinear millimeter-wave active antenna arrays. Specifically, we …
Composite Neural Network Digital Predistortion Model for Joint Mitigation of Crosstalk, Imbalance, Nonlinearity in MIMO Transmitters
Multi-input multi-output (MIMO) is anticipated to be a prominent technique proposed in the
wireless communications to improve the system capacity and data rates of the wireless …
wireless communications to improve the system capacity and data rates of the wireless …
Channel estimation and equalization for terahertz receiver with RF impairments
Z Sha, Z Wang - IEEE Journal on Selected Areas in …, 2021 - ieeexplore.ieee.org
The radio frequency (RF) impairments of analog devices have been regarded as an
important factor degrading the performance of Terahertz (THz) communications, where in …
important factor degrading the performance of Terahertz (THz) communications, where in …
Digital predistortion for multiuser hybrid MIMO at mmWaves
Efficient mitigation of power amplifier (PA) nonlinear distortion in multi-user hybrid precoding
based broadband mmWave systems is an open research problem. In this article, we carry …
based broadband mmWave systems is an open research problem. In this article, we carry …
Survey: Characterization and mitigation of spatial/spectral interferers and transceiver nonlinearities for 5G MIMO systems
N Peccarelli, B James, R Irazoqui… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
With an incredible increase in the number of wireless devices and an ever-growing demand
for high data rates, 5G needs to provide a solution to satisfy the demand for the next decade …
for high data rates, 5G needs to provide a solution to satisfy the demand for the next decade …
Joint dual-input digital predistortion of supply-modulated RF PA by surrogate-based multi-objective optimization
A generalized dual-input digital predistortion (DPD) methodology for supply-modulated (SM)
power amplifiers (PAs) is proposed. Contrary to classical approaches, the SM and the radio …
power amplifiers (PAs) is proposed. Contrary to classical approaches, the SM and the radio …