Adaptive digital predistortion of wireless power amplifiers/transmitters using dynamic real-valued focused time-delay line neural networks
Neural networks (NNs) are becoming an increasingly attractive solution for power amplifier
(PA) behavioral modeling, due to their excellent approximation capability. Recently, different …
(PA) behavioral modeling, due to their excellent approximation capability. Recently, different …
Power adaptive digital predistortion for wideband RF power amplifiers with dynamic power transmission
To reduce power consumption of wireless transmitters, the transmission power level of RF
power amplifiers (PAs) may dynamically change according to real-time data traffic. This …
power amplifiers (PAs) may dynamically change according to real-time data traffic. This …
Metrics and methods for benchmarking of RF transmitter behavioral models with application to the development of a hybrid memory polynomial model
This paper presents a study of performance evaluation metrics for behavioral models of
power amplifiers and transmitters. A novel normalized absolute mean spectrum error …
power amplifiers and transmitters. A novel normalized absolute mean spectrum error …
FPGA implementation of adaptive digital predistorter with fast convergence rate and low complexity for multi-channel transmitters
Y Ma, Y Yamao, Y Akaiwa, C Yu - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
This paper reports an adaptive digital predistorter (DPD) with fast convergence rate and low
complexity for multi-channel transmitters, which is fully implemented in a field programmable …
complexity for multi-channel transmitters, which is fully implemented in a field programmable …
Deep learning-based M-ary spread spectrum communication system in shallow water acoustic channel
G Qiao, Y Liu, F Zhou, Y Zhao, S Mazhar, G Yang - Applied Acoustics, 2022 - Elsevier
A deep learning-based M-ary spread spectrum (SS) underwater acoustic (UWA)
communication system is proposed. The long short-term memory (LSTM) model is used as …
communication system is proposed. The long short-term memory (LSTM) model is used as …
Power alignment of digital predistorters for power amplifiers linearity optimization
O Hammi, FM Ghannouchi - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
In this paper, a study of the power alignment issue in digital predistorters is presented. The
proper alignment is achieved by adjusting the normalization gain used to synthesize the …
proper alignment is achieved by adjusting the normalization gain used to synthesize the …
A PSO based memory polynomial predistorter with embedded dimension estimation
Power amplifiers are widely used in RF broadcasting applications. However, they tend to
exhibit nonlinear behavior that distorts the input signals both in the time and frequency …
exhibit nonlinear behavior that distorts the input signals both in the time and frequency …
Polynomials and LUTs in PA behavioral modeling: A fair theoretical comparison
FM Barradas, TR Cunha, PM Lavrador… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Traditionally, power amplifier behavioral modeling and digital predistortion have been
based on polynomials or Volterra series. Recently, however, there has been a trend to …
based on polynomials or Volterra series. Recently, however, there has been a trend to …
Advanced multimode radio for wireless & mobile broadband communication
G Kardaras, C Lanzani - 2009 European wireless technology …, 2009 - ieeexplore.ieee.org
Distributed base station architectures represent the new trend that operators follow in order
to resolve cost, performance and efficiency challenges when deploying 4G networks. Main …
to resolve cost, performance and efficiency challenges when deploying 4G networks. Main …
Dice coefficient matching-based sparsity adaptive matching pursuit algorithm for the digital predistortion model pruning
MD Zhu, M Li, Z Geng, Z Yu, W Jiang… - 2018 IEEE 18th …, 2018 - ieeexplore.ieee.org
In this paper, an efficient Dice coefficient matching-based sparsity adaptive matching pursuit
(DSAMP) algorithm is introduced to prune the redundant terms of power amplifier (PA) …
(DSAMP) algorithm is introduced to prune the redundant terms of power amplifier (PA) …