In this paper, we numerically study the secrecy performance of the free-space optical (FSO)
system by considering different eavesdrop** scenarios. More precisely, we considered …

Multihop relaying is a potential technique to mitigate channel impairments in optical wireless
communications (OWC). In this paper, multiple fixed-gain amplify-and-forward (AF) relays …

We investigate the performance of a heterodyne detection system with adaptive modulation
that employs M-ary phase shift keying (M-PSK) modulation for transmission over a strong …

In this paper, we derive accurate outage probability and bit error rate expressions for a high
altitude platform station (HAPS) assisted terrestrial communication system. In particular …

In this paper, the performance analysis of simultaneous wireless information and power
transfer (SWIPT) using time switching (TS) protocol-based amplify-and-forward (AF) dual …

This paper introduces a novel unmanned aerial vehicle (UAV) based free space optical
(FSO) communication system that integrates differential detection with a modulating retro …

This paper presents research on the physical layer security performance of a multi-user
mixed RF/FSO system based on optimal user interference. In this system model, the RF link …

This letter proposes a reconfigurable intelligent surface (RIS)-assisted stochastic unmanned
aerial vehicle (UAV) millimeter wave relay communication system. Regarding characteristics …

The performance of a dual-hop mixed radio frequency (RF)/free space optical (FSO) system
with co-channel interferences (CCIs) is studied for both fixed-gain and variable-gain amplify …

We investigate the performance of a dual-hop mixed free space optical (FSO)/radio
frequency (RF) system with fixed-gain relaying under direct detection and heterodyne …