Analytical analysis of SER for beyond 5G post-OFDM waveforms in presence of high power amplifiers

H Shaiek, R Zayani, Y Medjahdi, D Roviras - IEEE Access, 2019 - ieeexplore.ieee.org
This paper studies the performance of enhanced multicarrier waveforms in the presence of a
nonlinear memoryless high power amplifier (HPA). In particular, we focus on the in-band …

Nonlinear effects in NOMA-OFDM systems: Analytical signal characterization and receiver design

OBH Belkacem, R Dinis… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Non orthogonal multiple access (NOMA) is being considered a key technology for future
communications. In this paper, we provide an analytical characterization of downlink NOMA …

Performance analysis of NOMA in 5G systems with HPA nonlinearities

OBH Belkacem, ML Ammari, R Dinis - IEEE Access, 2020 - ieeexplore.ieee.org
In this paper, we provide an analytical performance assessment of downlink non-orthogonal
multiple access (NOMA) systems over Nakagami-m fading channels in the presence of …

Experimental testbed of post-OFDM waveforms toward future wireless networks

R Zayani, H Shaiek, X Cheng, X Fu, C Alexandre… - IEEE …, 2018 - ieeexplore.ieee.org
This paper details an experimental testbed conceived for studying the capability of new
multicarrier waveforms to accommodate 5G requirements. Testbed experiments are done …

Specific Emitter Identification Based on Temporal Convolutional Network Sequence Processing

C Zhu, L Liu, X Peng - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
Specific emitter identification (SEI) is a method to identify radiation sources using radio
frequency fingerprints (RFF) during signal transmission. Since transient features are difficult …

Nonlinear Effects in NOMA Systems Using Single Carrier Modulations: Performance Evaluation and Receiver Design

OBH Belkacem, R Dinis, ML Ammari - IEEE Access, 2024 - ieeexplore.ieee.org
Non orthogonal multiple access (NOMA) systems are very important for future
communications which allows a huge increase in capacity gains when comparing to …

Digital predistortion of single and concurrent dual-band radio frequency GaN amplifiers with strong nonlinear memory effects

S Amin, P Händel, D Rönnow - IEEE transactions on microwave …, 2017 - ieeexplore.ieee.org
Electrical anomalies due to trapping effects in gallium nitride (GaN) power amplifiers (PAs)
give rise to long-term or strong memory effects. We propose novel models based on infinite …

Iterative learning control for pre-distortion design in wideband direct-conversion transmitters

A Fawzy, S Sun, TJ Lim, YX Guo… - GLOBECOM 2020-2020 …, 2020 - ieeexplore.ieee.org
A practical power amplifier (PA) has nonlinear characteristics that distort the output signal
and hence increase the transmission error. Digital pre-distortion (DPD) has been widely …

Two novel memory polynomial models for modeling of RF power amplifiers

PN Landin, K Barbé, W Van Moer… - International journal of …, 2015 - cambridge.org
Two novel memory polynomial models are derived based on physical knowledge of a
general power amplifier (PA). The derivations are given in detail to facilitate derivations of …

A testbed for experimental performance evaluation of multicarrier waveforms in presence of RF PA

R Zayani, H Shaiek, C Alexandre… - 2018 15th …, 2018 - ieeexplore.ieee.org
This paper presents an experimental testbed to evaluate the performance of CP-OFDM and
the most promising 5G multicarrier waveforms (MWFs) WOLA-OFDM and BF-OFDM in …