Deep learning OFDM receivers for improved power efficiency and coverage

J Pihlajasalo, D Korpi, M Honkala… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In this article, we propose multiple machine learning (ML) based physical-layer receiver
solutions for demodulating orthogonal frequency-division multiplexing (OFDM) signals that …

Belief propagation receivers for near-optimal detection of nonlinearly distorted OFDM signals

SV Zhidkov, R Dinis - 2019 IEEE 89th Vehicular Technology …, 2019 - ieeexplore.ieee.org
It is generally assumed that nonlinear distortion effects in multicarrier systems can lead to
substantial performance degradation. However, it was recently shown that the nonlinear …

Fast GAMP algorithm for nonlinearly distorted OFDM signals

C Yang, X Liu, YL Guan, R Liu - IEEE Communications Letters, 2021 - ieeexplore.ieee.org
In this letter, the design of a low-complexity receiver which is robust to orthogonal frequency
division multiplex (OFDM) signals with nonlinear clipping distortion is investigated. An …

On the receiver design for nonlinear NOMA-OFDM systems

J Guerreiro, R Dinis, P Montezuma… - 2020 IEEE 91st …, 2020 - ieeexplore.ieee.org
Besides traditional orthogonal multiple access (OMA), 5G and other future wireless
communication systems will also involve non-orthogonal multiple access (NOMA). In that …

Robust deep learning-based end-to-end receiver for OFDM system with non-linear distortion

Y Xie, X Liu, KC Teh, YL Guan - IEEE Communications Letters, 2021 - ieeexplore.ieee.org
In this letter, we propose a deep learning-based receiver named one-dimensional transmit
and recovery net (1D-TRNet), which is robust to non-linear clipping distortion for orthogonal …

Optimum Performance Analysis and Receiver Design for OFDM-Based Frequency-Splitting SWIPT With Strong Nonlinear Effects

A Rajaram, J Guerreiro, R Dinis… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
Multicarrier-based frequency splitting simultaneous wireless information and power
transmission (FS-SWIPT) signals are very prone to nonlinear effects due to the combination …

On the achievable performance of nonlinear MIMO systems

J Guerreiro, R Dinis, P Montezuma… - IEEE Communications …, 2019 - ieeexplore.ieee.org
Pre-processing techniques employed at the transmitter side of multiple-input, multiple-output
(MIMO) systems, such as the ones used by MIMO singular value decomposition …

On the optimum multicarrier performance with memoryless nonlinearities

J Guerreiro, R Dinis… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
It is widely recognized that orthogonal frequency division multiplexing (OFDM) signals are
very prone to nonlinear distortion effects, which can lead to significant performance …

On the Design of Nonlinear Characteristics That Optimize Maximum Likelihood OFDM Performance

D Macedo, J Guerreiro, R Dinis… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Usually, non-linear (NL) distortion is seen as something undesirable that can substantially
degrade the performance of communication systems. Multicarrier schemes such as …

Nonlinear effects in NOMA signals: Performance evaluation and receiver design

J Guerreiro, R Dinis, P Montezuma… - 2019 IEEE 90th …, 2019 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is being considered a key technology for 5G
systems. In this work, we consider power-domain NOMA schemes for downlink orthogonal …