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 …
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) …
Phase compensation for decoupling of large-scale staggered dual-polarized dipole array antennas
C Wei, ZY Zhang, KL Wu - IEEE Transactions on Antennas and …, 2019 - ieeexplore.ieee.org
Staggered array antenna is a common array configuration for large-scale array antennas
due to its favorable radiation characteristics and relatively large element spacing. In …
due to its favorable radiation characteristics and relatively large element spacing. In …
Linearity-enhanced quasi-balanced Doherty power amplifier with mismatch resilience through series/parallel reconfiguration for massive MIMO
A reconfigurable series/parallel quasi-balanced Doherty power amplifier (QB-DPA) is
presented with a unique capability of maintaining high linearity and high efficiency against …
presented with a unique capability of maintaining high linearity and high efficiency against …
24.2 A reconfigurable series/parallel quadrature-coupler-based Doherty PA in CMOS SOI with VSWR resilient linearity and back-off PAE for 5G MIMO arrays
Modern mm-wave 5G links rely extensively on phased arrays to achieve high array gain for
sufficient coverage. However, the proximity of antenna elements often results in element-to …
sufficient coverage. However, the proximity of antenna elements often results in element-to …
Novel parallel-processing-based hardware implementation of baseband digital predistorters for linearizing wideband 5G transmitters
H Huang, J Xia, S Boumaiza - IEEE Transactions on Microwave …, 2020 - ieeexplore.ieee.org
In this article, a real-time digital predistortion (DPD) hardware architecture is presented for
the linearization of fifth-generation (5G) transmitters with wideband modulation signals. To …
the linearization of fifth-generation (5G) transmitters with wideband modulation signals. To …
Digital predistorters go multidimensional: DPD for concurrent multiband envelope tracking and outphasing power amplifiers
PL Gilabert, G Montoro, D Vegas… - IEEE microwave …, 2019 - ieeexplore.ieee.org
Over at least the last two decades, digital predistortion (DPD) has become the most common
and widespread solution to cope with the power amplifier's (PA's) inherent linearity-versus …
and widespread solution to cope with the power amplifier's (PA's) inherent linearity-versus …
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 …
Self-curing decoupling technique for MIMO antenna arrays in mobile terminals
The self-curing decoupling technique is substantially extended to apply to multi-input multi-
output (MIMO) antenna arrays in mobile terminals. Using this proposed technique, the …
output (MIMO) antenna arrays in mobile terminals. Using this proposed technique, the …