Performance estimation of SISO and MIMO Ro-FSO link under atmospheric turbulence

S Kaur, A Sharma - Optical and Quantum Electronics, 2024 - Springer
The present study focuses on analysing the bit error rate (BER) of single-input single-output
and multiple-input multiple-output Radio-over free space optics system under atmospheric …

Experimental investigations on an FSO-fiber converged communication system under fog and turbulence

C Lalani, A Mathur, N Bhatia - Applied Optics, 2024 - opg.optica.org
This paper presents experimental results for a free-space optical-fiber converged (FSO-FC)
communication system under varying turbulence and foggy conditions. Based on the …

Machine learning based performance estimation of terrestrial Ro-FSO Link

S Kaur, SK Singh, A Sharma - Physica Scripta, 2023 - iopscience.iop.org
In this work, a radio over free-space optical communication (Ro-FSO) link has been
examined considering quadrature amplitude modulation (64-QAM) based orthogonal …

K-Means algorithm-based detection for wavelength division multiplexed OOK PD-NOMA system over turbulent optical channel

DP Jana, AM Shukla, S Gupta - Optical Engineering, 2022 - spiedigitallibrary.org
We have experimentally demonstrated the efficacy of k-means algorithm-based detection
scheme in a two-user-based wavelength division multiplexed (WDM) on-off keying (OOK) …

A novel cooperative HARQ protocol for free-space optical broadcasting systems

SS Hosseini, J Abouei, B Champagne… - Journal of Lightwave …, 2020 - opg.optica.org
In this paper, we propose a new hybrid automatic repeat request (HARQ) transmission
protocol for broadcasting systems over free space optical (FSO) channels, which is …

Parameter estimation of the lognormal-Rician channel model using saddlepoint approximation

M Miao, X Li - IEEE Access, 2020 - ieeexplore.ieee.org
In this article, the challenges of effective channel estimation for the lognormal-Rician
turbulence model are addressed. We present a novel maximum likelihood estimation …

Modelling the refractive index structure parameter: A ResNet approach

C Lamprecht, P Bekhrad, H Ivanov… - … for Next Generation …, 2020 - ieeexplore.ieee.org
Various atmospheric effects have a negative influence on optical signals, especially in the
troposphere, which must be taken into account in free space optical (FSO) communication …

Experimental setup to validate the effects of major environmental parameters on the performance of FSO communication link in Qatar

A Khandakar, A Touati, F Touati, A Abdaoui… - Applied Sciences, 2018 - mdpi.com
Weather conditions and chemical composition of the atmosphere are the most
uncontrollable challenges for free-space optical (FSO) communications. Environmental …

[PDF][PDF] Optimum link distance and BER performance investigation for BPSK RF sub-carrier coherent FSO communication system under strong turbulence

A Choyon, R Chowdhury… - Int J Sci Technol Res, 2020 - researchgate.net
Free-space optical (FSO) technology has acquired a growing interest in optical wireless
communication system. Although the FSO system presents outstanding advantages, it is …

A cost effective FSO communication link using 808 nm laser and its performance analysis in simulated temperature conditions

S Mukherjee, S Paul, S Mazumdar - Optical and Quantum Electronics, 2023 - Springer
Using 808 nm NIR Laser, a cost effective FSO communication channel has been
established. Scintillation, the phenomenon, which is produced by the heating effect, affects …