A contemporary survey on free space optical communication: Potentials, technical challenges, recent advances and research direction

A Jahid, MH Alsharif, TJ Hall - Journal of network and computer …, 2022 - Elsevier
Due to the unprecedented growth of high speed multimedia services and diversified
applications initiated from the massive connectivity of IoT devices, 5G and beyond 5G (B5G) …

A review–unguided optical communications: Developments, technology evolution, and challenges

AAB Raj, P Krishnan, U Darusalam, G Kaddoum… - Electronics, 2023 - mdpi.com
This review paper discusses the complete evolution of free-space optical (FSO)
communication, also known as unguided optical communication (UOC) technologies, all the …

NOMA-based cognitive satellite terrestrial relay network: Secrecy performance under channel estimation errors and hardware impairments

K Guo, C Dong, K An - IEEE Internet of Things Journal, 2022 - ieeexplore.ieee.org
Nonorthogonal multiple access (NOMA) and cognitive integrated satellite terrestrial relay
networks are the promising and key part for the next-generation wireless networks. This …

Comprehensive physical layer security analysis of FSO communications over Málaga channels

Y Ai, A Mathur, GD Verma, L Kong… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
In this article, we study the physical layer security of free-space optical (FSO)
communications under different eavesdrop** scenarios. More specifically, the secrecy …

On secure mixed RF-FSO systems with TAS and imperfect CSI

H Lei, H Luo, KH Park, IS Ansari, W Lei… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
In this work, we analyze the secrecy outage performance of a dual-hop relay system
composed of multiple-input-multiple-output radio-frequency (RF) links and a free-space …

On secure uplink transmission in hybrid RF-FSO cooperative satellite-aerial-terrestrial networks

Y Ma, T Lv, G Pan, Y Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This work investigates the secrecy outage performance of the uplink transmission of a radio-
frequency (RF)-free-space optical (FSO) hybrid cooperative satellite-aerial-terrestrial …

[HTML][HTML] Secure reconfigurable intelligent surface aided heterogeneous VLC–RF cooperative NOMA networks

X Zhao, J Sun - Optics Communications, 2022 - Elsevier
In this paper, we investigate the physical layer security for a reconfigurable intelligent
surface (RIS)-aided heterogeneous visible light communication (VLC) and radio-frequency …

Energy-aware relay selection improves security-reliability tradeoff in energy harvesting cooperative cognitive radio systems

P Yan, Y Zou, X Ding, J Zhu - IEEE Transactions on Vehicular …, 2020 - ieeexplore.ieee.org
This article investigates the physical layer security for a cooperative cognitive radio (CCR)
system with energy-harvesting (EH) technique, which consists of a cognitive source (CS) …

A novel energy harvesting scheme for mixed FSO-RF relaying systems

J Chen, L Yang, W Wang, HC Yang… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In this correspondence paper, we consider the performance of a mixed free-space optical
and radio frequency (FSO-RF) relaying system with energy harvesting in the existence of …

Throughput optimization for noma energy harvesting cognitive radio with multi-UAV-assisted relaying under security constraints

VH Dang, H Tran, TD Ho, C So-In… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This paper investigates the throughput of a non-orthogonal multiple access (NOMA)-based
cognitive radio (CR) system with multiple unmanned aerial vehicle (UAV)-assisted relays …