Frequency multiplier-based millimeter-wave vector signal transmitter using digital predistortion with constrained feedback bandwidth

T Cao, YJ Liu, J Jiang, Q Zhang, C Lin… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
We have demonstrated a frequency multiplier-based multiplying transmitter (MT)
architecture, which shows the transmission of wideband modulated signals from the lower …

A 2-D simplified memory polynomial model for concurrent dual-band power amplifiers

J Zhai, Q Zhang, J Niu, L Zhang, Z Yu… - IEEE Microwave and …, 2020 - ieeexplore.ieee.org
A 2-D simplified memory polynomial (2D-SMP) model is proposed for concurrent dual-band
power amplifiers (PAs) in this letter. The derivation of the proposed model is similar to that of …

Robust digital predistortion for LTE/5G power amplifiers utilizing negative feedback iteration

X LIU, W CHEN, D WANG, D NING - ZTE Communications, 2020 - zte.magtechjournal.com
A robust digital predistortion (DPD) technique utilizing negative feedback iteration is
introduced for linearizing power amplifiers (PAs) in long term evolution (LTE)/5G systems …

An upgraded dual-band digital predistorter model for power amplifiers linearization

A Pérez-Hernández, JA Becerra… - IEEE Microwave and …, 2020 - ieeexplore.ieee.org
Digital predistortion (DPD) based on Volterra models is commonly employed to counteract
the nonlinear distortion of power amplifiers. However, when concurrent dual-band signals …

A 2D Rapidly-Convergent Iterative Digital Predistortion Method Using Direct Learning Structure

W Qi, J Huang, X Wu - 2020 IEEE MTT-S International Wireless …, 2020 - ieeexplore.ieee.org
This paper presents a two-dimensional (2D) digital predistortion (DPD) algorithm, which
models the power amplifier (PA), inverses the identified model and calculates the …

2D piecewise digital predistortion for dual-band power amplifiers based on self-organizing map

X Wu, L Jin, J Zhu, X Cai - Circuits, Systems, and Signal Processing, 2020 - Springer
This paper presents a new piecewise two-dimensional (2D) digital predistortion (DPD)
method for dual-band power amplifiers (PAs). A self-organizing map network is used to …

Modeling and Linearization of MIMO RF Transmitters

S Hesami - 2020 - mural.maynoothuniversity.ie
Multiple-input multiple-output (MIMO) technology will continue to play a vital role in next-
generation wireless systems, eg, the fifth-generation wireless networks (5G). Large-scale …