Free space optics, channel models and hybrid modulation schemes: A review

S Magidi, A Jabeena - Wireless Personal Communications, 2021 - Springer
Free space optical (FSO) communication system is a wireless communication technology
which possess advantages such as huge license free bandwidth and high data carrying …

SIMO optical wireless links with nonzero boresight pointing errors over M modeled turbulence channels

GK Varotsos, HE Nistazakis, MI Petkovic… - Optics …, 2017 - Elsevier
Over the last years terrestrial free-space optical (FSO) communication systems have
demonstrated an increasing scientific and commercial interest in response to the growing …

Performance analysis of UAV-assisted hybrid FSO/RF communication systems under various weather conditions

Y Wu, D Kong, Q Wang, G Li - Sensors, 2023 - mdpi.com
Nowadays, unmanned aerial vehicle (UAV) communication systems are commonly
considered as one of the key enabling technologies for 6G. The hybrid free space optical …

[HTML][HTML] Novel adaptive hard-switching based hybrid RF-FSO system architecture using two threshold values in the presence of atmospheric turbulence and pointing …

N Nikbakht-Sardari, M Ghiamy, ME Akbari… - Results in …, 2023 - Elsevier
In recent years and in the ongoing development of all-optical systems, we propose two novel
hard-switching based hybrid RF-FSO system architecture in the presence of atmospheric …

Performance evaluation of FSO system using wavelength and time diversity over malaga turbulence channel with pointing errors

KA Balaji, K Prabu - Optics Communications, 2018 - Elsevier
There is an immense demand for high bandwidth and high data rate systems, which is
fulfilled by wireless optical communication or free space optics (FSO). Hence FSO gained a …

On the effect of interference and misalignment error in mixed RF/FSO systems over generalized fading channels

A Upadhya, VK Dwivedi… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, the end-to-end performance of a mixed radio frequency (RF)/free space optical
(FSO) affected by co-channel interference (CCI), is studied. We consider that the RF link …

Integration of fiber and FSO network with fault-protection for optical access network

ST Hayle, YC Manie, GM Shao, PH Chiu, TY Yeh… - Optics …, 2021 - Elsevier
In this paper, we proposed and experimentally demonstrated the integration of optical fiber
and free-space optic (FSO) with fault protection for the optical access network. The proposed …

Performance analysis of RoFSO links with spatial diversity over combined channel model for 5G in smart city applications

A Kumar, P Krishnan - Optics Communications, 2020 - Elsevier
The smart city concept improves the lives of citizens and optimizes the efficiency of city
operations, services through the integration of information and communication technology …

Performance Analysis of a Multi-Hop Parallel Hybrid FSO/RF System over a Gamma–Gamma Turbulence Channel with Pointing Errors and a Nakagami-m Fading …

Y Wu, J Chen, J Guo, G Li, D Kong - Photonics, 2022 - mdpi.com
Due to the influence of the atmospheric environment and pointing errors, the performance of
free space optical communication is greatly limited. In this paper, we propose a parallel multi …

Performance Analysis of Relay-Aided Hybrid FSO/RF Cooperation Communication System over the Generalized Turbulence Channels with Pointing Errors and …

Y Wu, G Li, D Kong - Sensors, 2023 - mdpi.com
To improve the performance of fee-space optical communication systems, this paper
analyzes the performance of a relay-aided hybrid fee-space optical (FSO)/radio frequency …