Free space optic channel monitoring using machine learning

MA Esmail, WS Saif, AM Ragheb, SA Alshebeili - Optics Express, 2021 - opg.optica.org
Free space optic (FSO) is a type of optical communication where the signal is transmitted in
free space instead of fiber cables. Because of this, the signal is subject to different types of …

Secrecy Performance Analysis of Mixed αμ and Exponentiated Weibull RF-FSO Cooperative Relaying System

NH Juel, ASM Badrudduza, SMR Islam, SH Islam… - IEEE …, 2021 - ieeexplore.ieee.org
Increasing concerns regarding wireless systems' security are leading researchers to exploit
the physical properties of a medium while designing any secured wireless network. The …

Impact of nonzero boresight pointing error on ergodic capacity of MIMO FSO communication systems

R Boluda-Ruiz, A García-Zambrana… - Optics express, 2016 - opg.optica.org
A thorough investigation of the impact of nonzero boresight pointing errors on the ergodic
capacity of multiple-input/multiple-output (MIMO) free-space optical (FSO) systems with …

Impact of pointing errors on the error performance of intersatellite laser communications

T Song, Q Wang, MW Wu, T Ohtsuki… - Journal of Lightwave …, 2017 - ieeexplore.ieee.org
The effect of pointing errors on the average bit error probability (ABEP) of an intersatellite
laser communication link is studied. A closed-form expression in terms of the Marcum …

Outage performance of exponentiated Weibull FSO links under generalized pointing errors

R Boluda-Ruiz, A García-Zambrana… - Journal of Lightwave …, 2017 - opg.optica.org
Even in clear conditions, free-space optical (FSO) links are impaired by scintillation and
dynamic misalignment which result in a slow fading channel. This paper presents the first …

Relayed FSO communication with aperture averaging receivers and misalignment errors

P Kumar Sharma, A Bansal, P Garg… - IET …, 2017 - Wiley Online Library
In this study, the performance of decode‐and‐forward relay‐assisted free‐space‐optical
(FSO) communication systems under atmospheric turbulence‐induced fading and …

Performance of a relay-assisted hybrid FSO/RF communication system

MA Amirabadi, VT Vakili - Physical communication, 2019 - Elsevier
This paper investigates the performance of a multi-user relay-assisted hybrid Free Space
Optical/Radio Frequency (FSO/RF) communication system. The proposed dual-hop structure …

On the Performances of th Best User Selection Scheme in Multiuser Diversity Free-Space Optical Systems Over Exponentiated Weibull Turbulence Channels

P Wang, N Xiang, Q Gao, R Wang, L Guo… - IEEE Photonics …, 2016 - ieeexplore.ieee.org
The average bit error rate (ABER) and capacity of multiuser diversity freespace optical (FSO)
systems with Nth best user selection scheme are investigated by considering atmospheric …

Performance of improved energy detector with cognitive radio mobility and imperfect channel state information

L Gahane, PK Sharma - Iet Communications, 2017 - Wiley Online Library
A cooperative cognitive radio (CR) network with multiple secondary users (or CRs) is
considered. Each CR consists of an arbitrary M number of antennas. For spectrum sensing …

[HTML][HTML] Performance analysis of optical wireless communications with aperture averaging over exponentiated Weibull turbulence with pointing errors

Z Rahman, SM Zafaruddin, VK Chaubey - Results in Optics, 2021 - Elsevier
Aperture averaging (AA) is a potential technique to reduce the effect of atmospheric
turbulence in optical wireless communications (OWC). Although there is significant research …