Performance investigation of high-speed FSO transmission system under the influence of different atmospheric conditions incorporating 3-D orthogonal modulation …

M Singh, J Malhotra - Optical and quantum electronics, 2019 - Springer
In this paper, we report the modeling and simulative investigation of a free space optics
(FSO) transmission system using non-return to zero/differential quadrature phase shift …

Novel Approximate Distribution of the Generalized Turbulence Channels for MIMO FSO Communications

WMR Shakir, AS Mahdi, H Hamdan… - IEEE Photonics …, 2024 - ieeexplore.ieee.org
In this article, we develop an innovative series representation for the sum of Rician non-zero
boresight pointing error random variates based on the distribution, which is suitable for …

Enhancing spectral efficiency of FSO system using adaptive SIM/M‐PSK and SIMO in the presence of atmospheric turbulence and pointing errors

M Al‐Nahhal, T Ismail - International Journal of Communication …, 2019 - Wiley Online Library
This paper proposes an adaptive transmission modulation (ATM) technique for free‐space
optical (FSO) links over gamma‐gamma turbulence channels. The ATM technique provides …

Performance analysis of FSO system with different modulation schemes over gamma-gamma turbulence channel

H Zhang, X Tang, B Lin, Z Zhou, C Lin… - 17th international …, 2019 - spiedigitallibrary.org
Free-space optical communications (FSO) suffers from irradiance fluctuation caused by
atmospheric turbulence, which results in optical power loss and consequently decreased …

Performance evaluation of LDPC-coded power series based Málaga (Ḿ) distributed MIMO/FSO link with M-QAM and pointing error

D Anandkumar, RG Sangeetha - IEEE Access, 2022 - ieeexplore.ieee.org
In this work, the performance evaluation of Low-Density-Parity-Check (LDPC) based
Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) …

A Review of immigration obstacles to PON-FTTH and its evolution around the world

MH Ali, HM ALkargole… - … Computing Electronics and …, 2021 - telkomnika.uad.ac.id
The require a bandwidth of every person will be increased from 16 Mbit/s to 50 up to 100M
bit/s in the next 5 years in most of the growing counties. To solve this problem, FTTH may be …

Enhancing earth-to-satellite FSO system spectrum efficiency with adaptive M-ary PSK and SIMO in presence of scintillation and beam wander

N Alshaer, T Ismail, ME Nasr - AEU-International Journal of Electronics and …, 2020 - Elsevier
In this paper, the performance of the free-space optical (FSO) system from ground-to-satellite
is analyzed considering the combined effect of atmospheric turbulence and beam …

A MIMO‐Enabled Free Space Optical Link under Log‐Normal Fading/Gamma‐Gamma Channel: Exploring an Optimal Modulation Scheme

HE Adardour, S Kameche… - International Journal of …, 2023 - Wiley Online Library
The technology of free‐space optical communication (FSOC) systems has some distinctive
merits compared to other technologies. Its use is extremely beneficial to meet the exigencies …

Performance analysis of duobinary and CSRZ modulation based polarization interleaving for high-speed WDM-FSO transmission system

Z Zhou, H Zhang, C Lin, A Sharma - Journal of Optical …, 2022 - degruyter.com
In this paper, the bit error rate (BER) performance of Duobinary (DB) is compared with
carrier-suppressed return-to-zero (CSRZ) based polarization interleaving (PI) schemes for …

Generic evaluation of FSO system over Málaga turbulence channel with MPPM and non‐zero‐boresight pointing errors

N Alshaer, T Ismail, ME Nasr - IET Communications, 2020 - Wiley Online Library
Free space optical (FSO) communication channels are affected by fluctuations in irradiance
due to atmospheric turbulence and pointing errors. Recently, a generalized statistical model …