[HTML][HTML] PAPR reduction in OFDM systems: An efficient PTS approach based on particle swarm optimization

MH Aghdam, AA Sharifi - ICT express, 2019 - Elsevier
Orthogonal frequency division multiplexing (OFDM) is a multicarrier modulation technique
for high-speed data transmission in wireless communications. In an OFDM system, a large …

Deep neural networks for channel estimation in underwater acoustic OFDM systems

R Jiang, X Wang, S Cao, J Zhao, X Li - IEEE access, 2019 - ieeexplore.ieee.org
Orthogonal frequency division multiplexing (OFDM) provides a promising modulation
technique for underwater acoustic (UWA) communication systems. It is indispensable to …

A survey on OFDM physical layer security

R Melki, HN Noura, MM Mansour, A Chehab - Physical Communication, 2019 - Elsevier
Abstract Physical Layer Security (PLS) is an emerging paradigm employed to enhance
wireless network security without relying on higher-layer encryption techniques. PLS …

[HTML][HTML] PAPR reduction of optical OFDM signals in visible light communications

AA Sharifi - ICT express, 2019 - Elsevier
Orthogonal frequency division multiplexing (OFDM) is extensively used in optical
communications to achieve high rate transmission. In this paper, Vandermonde like matrix …

Performance investigation of peak shrinking and interpolating the PAPR reduction technique for LTE-advance and 5G signals

S Mohammady, R Farrell, D Malone, J Dooley - Information, 2019 - mdpi.com
Orthogonal frequency division multiplexing (OFDM) has become an indispensable part of
waveform generation in wideband digital communication since its first appearance in digital …

Deep learning based on orthogonal approximate message passing for CP-free OFDM

J Zhang, H He, CK Wen, S Jin… - ICASSP 2019-2019 IEEE …, 2019 - ieeexplore.ieee.org
Channel estimation and signal detection are very challenging for an orthogonal frequency
division multiplexing (OFDM) system without cyclic prefix (CP). In this article, deep learning …

A novel hybrid genetic algorithm to reduce the peak-to-average power ratio of OFDM signals

AA Sharifi, MH Aghdam - Computers & Electrical Engineering, 2019 - Elsevier
Orthogonal frequency division multiplexing (OFDM) is an effective approach for high rate
data transmission in telecommunication systems. The high peak-to-average power ratio …

[HTML][HTML] Discrete Hartley matrix transform precoding-based OFDM system to reduce the high PAPR

AA Sharifi - ICT Express, 2019 - Elsevier
The high peak-to-average power ratio (PAPR) is one of the major drawbacks of the
orthogonal frequency division multiplexing (OFDM) systems that make non-linear distortion …

A general overview of vehicle-to-X (V2X) beacon-based cooperative vehicular networks

A Marroquin, MA To, CA Azurdia-Meza… - 2019 IEEE 39th …, 2019 - ieeexplore.ieee.org
Nowadays, much effort has been put on Intelligent Transport Systems (ITS) and Vehicle-to-
Anything (V2X) communications, given the immense impact these technologies will make in …

Complexity sorting and coupled chaotic map based on 2D ECG data compression-then-encryption and its OFDM transmission with impair sample correction

A Pandey, BS Saini, B Singh, N Sood - Multimedia Tools and Applications, 2019 - Springer
The present paper proposes a complexity sorting and coupled chaotic map mutation
mechanism for compression-then-encryption of the Electrocardiogram (ECG) signals. The …