Implementation challenges and opportunities in beyond-5G and 6G communication
As 5G New Radio (NR) is being rolled out, research effort is being focused on the evolution
of what is to come in the post-5G era. In order to meet the diverse requirements of future …
of what is to come in the post-5G era. In order to meet the diverse requirements of future …
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 …
occupied sub-6 GHz spectrum to the wideband millimeter-wave (MMW) spectrum. However …
A broadband linear ultra-compact mm-wave power amplifier with distributed-balun output network: Analysis and design
F Wang, H Wang - IEEE Journal of Solid-State Circuits, 2021 - ieeexplore.ieee.org
This article presents a broadband power amplifier (PA) with a distributed-balun output
network that provides the PA optimum load impedance over a wide bandwidth. The …
network that provides the PA optimum load impedance over a wide bandwidth. The …
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 …
Balanced-to-Doherty mode-reconfigurable power amplifier with high efficiency and linearity against load mismatch
A balanced-to-Doherty (B2D) mode-reconfigurable power amplifier (PA) is presented in this
article, which is endowed with a unique capability of maintaining high linearity and high …
article, which is endowed with a unique capability of maintaining high linearity and high …
Digital predistortion of phased-array transmitter with shared feedback and far-field calibration
Digital predistortion (DPD) of a phased array requires that multiple transmit paths must be
measured by a feedback (FB) receiver (Rx). In this article, we propose an FB concept for …
measured by a feedback (FB) receiver (Rx). In this article, we propose an FB concept for …
Multi-stream spatial digital predistortion for fully-connected hybrid beamforming massive MIMO transmitters
In this paper, a novel multi-stream spatial digital predistortion (DPD) technique is proposed
to model and linearize the fully-connected (FC) hybrid beamforming (HBF) transmitters. The …
to model and linearize the fully-connected (FC) hybrid beamforming (HBF) transmitters. The …
1-d reconfigurable pseudo-doherty load modulated balanced amplifier with intrinsic vswr resilience across wide bandwidth
This article presents the first-ever wideband pseudo-Doherty load-modulated balanced
amplifier (PD-LMBA) with load-mismatch tolerance through 1-D reconfiguration. It is …
amplifier (PD-LMBA) with load-mismatch tolerance through 1-D reconfiguration. It is …
Complexity-reduced model adaptation for digital predistortion of RF power amplifiers with pretraining-based feature extraction
In this article, we present a new method to reduce the model adaptation complexity for digital
predistortion (DPD) of radio frequency (RF) power amplifiers (PAs) under varying operating …
predistortion (DPD) of radio frequency (RF) power amplifiers (PAs) under varying operating …
Analysis and design of reconfigurable multiband mismatch-resilient quasi-balanced Doherty power amplifier for massive MIMO systems
A novel power amplifier (PA) with wide bandwidth and load mismatch resilience is
presented based on the quasi-balanced Doherty PA (QB-DPA) architecture. By …
presented based on the quasi-balanced Doherty PA (QB-DPA) architecture. By …