Millimeter-wave power amplifier integrated circuits for high dynamic range signals
The next-generation 5G and beyond-5G wireless systems have stimulated a substantial
growth in research, development, and deployment of mm-Wave electronic systems and …
growth in research, development, and deployment of mm-Wave electronic systems and …
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 …
Digital predistortion of millimeter-wave RF beamforming arrays using low number of steering angle-dependent coefficient sets
This paper proposes a single-input single-output (SISO) digital predistortion (DPD) model for
linearizing millimeter-wave (mm-wave) RF beamforming arrays. It starts with a dual-input …
linearizing millimeter-wave (mm-wave) RF beamforming arrays. It starts with a dual-input …
Prediction of nonlinear distortion in wideband active antenna arrays
K Hausmair, S Gustafsson… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
In this paper, we propose a technique for comprehensive analysis of nonlinear and dynamic
characteristics of multi-antenna transmitters (TXs). The analysis technique is enabled by the …
characteristics of multi-antenna transmitters (TXs). The analysis technique is enabled by the …
Linearization for hybrid beamforming array utilizing embedded over-the-air diversity feedbacks
In this article, a modified beam-oriented digital predistortion (BO-DPD) utilizing the over-the-
air diversity feedbacks (OTA DFBs) is proposed for linearizing the hybrid beamforming (HBF) …
air diversity feedbacks (OTA DFBs) is proposed for linearizing the hybrid beamforming (HBF) …
Power, linearity, and efficiency prediction for MIMO arrays with antenna coupling
FM Barradas, PM Tome, JM Gomes… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Modern and future transmitter architectures are being driven toward multi-input multi-output
(MIMO) transceivers, which make use of several radio frequency (RF) power amplifiers (PAs) …
(MIMO) transceivers, which make use of several radio frequency (RF) power amplifiers (PAs) …
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 …
Joint model and data-driven receiver design for data-dependent superimposed training scheme with imperfect hardware
Data-dependent superimposed training (DDST) scheme has shown the potential to achieve
high bandwidth efficiency, while encounters symbol misidentification caused by hardware …
high bandwidth efficiency, while encounters symbol misidentification caused by hardware …
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 …
Power scalable beam-oriented digital predistortion for compact hybrid massive MIMO transmitters
This article proposes a power scalable beam-oriented digital predistortion (PSBO-DPD)
architecture suitable for linearizing PAs in compact hybrid massive multiple-input multiple …
architecture suitable for linearizing PAs in compact hybrid massive multiple-input multiple …