Journal ArticleDOI
BPSK based subcarrier intensity modulated free space optical system in combined strong atmospheric turbulence
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TLDR
In this paper, the performance of a free space optical (FSO) communication system is analyzed by considering heavy atmospheric losses such as scattering, absorption, channel fading and misalignment fading.About:
This article is published in Optics Communications.The article was published on 2013-09-15. It has received 52 citations till now. The article focuses on the topics: Fading & Channel capacity.read more
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Free Space Optical Communication: Challenges and Mitigation Techniques
Hemani Kaushal,Georges Kaddoum +1 more
TL;DR: This survey uniquely offers the current literature on FSO coding and modulation schemes using various channel models and detection techniques and presents a recently developed technique in FSO system using orbital angular momentum to combat the effect of atmospheric turbulence.
Journal ArticleDOI
Performance analysis of FSO links under strong atmospheric turbulence conditions using various modulation schemes
TL;DR: In this paper, the performance of a wireless optical communication system is analyzed using different modulation formats such as, binary phase shift keying-subcarrier intensity modulation (BPSK-SIM), differential phase shifter keying (DPSK) and differential phase shift-keyboard (DSK-SLC) and M-ary pulse position modulation (M-PPM) for strong atmospheric turbulences.
Journal ArticleDOI
On the performances of relay-aided FSO system over M distribution with pointing errors in presence of various weather conditions
TL;DR: In this article, the average bit error rate (ABER) and outage performances of decode-and-forward (DF) based multi-hop parallel free-space optical (FSO) communication system with the combined effects of path loss, pointing errors (i.e., misalignment fading), and atmospheric turbulence-induced fading modeled by M distribution have been investigated in detail.
Journal ArticleDOI
BER estimation for multi-hop RoFSO QAM or PSK OFDM communication systems over gamma gamma or exponentially modeled turbulence channels
TL;DR: The BER performance of a multi-hop RoFSO system which is using an orthogonal frequency division multiplexing (OFDM) scheme, with either quadrature amplitude modulation (QAM) or phase shift keying format (PSK), over atmospheric turbulence channels modeled with the gamma gamma or the negative exponential distribution is studied.
Journal ArticleDOI
BER Analysis of a Hybrid Modulation Scheme Based on PPM and MSK Subcarrier Intensity Modulation
TL;DR: In this paper, an innovative hybrid modulation scheme called PPM-MSK-SIM is proposed, which is based on pulse position modulation (PPM) and minimum shift keying (MSK) subcarrier intensity modulation.
References
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Journal ArticleDOI
Fading channels: information-theoretic and communications aspects
TL;DR: This paper describes the statistical models of fading channels which are frequently used in the analysis and design of communication systems, and focuses on the information theory of fading channel, by emphasizing capacity as the most important performance measure.
Journal ArticleDOI
Free-space optical communication through atmospheric turbulence channels
Xiaoming Zhu,Joseph M. Kahn +1 more
TL;DR: The use of ML detection in spatial diversity reception to reduce the diversity gain penalty caused by correlation between the fading at different receivers is described.
Journal ArticleDOI
Outage Capacity Optimization for Free-Space Optical Links With Pointing Errors
A.A. Farid,Steve Hranilovic +1 more
TL;DR: A statistical model for the optical intensity fluctuation at the receiver due to the combined effects of atmospheric turbulence and pointing errors is derived and the effect of beam width, detector size, and jitter variance explicitly is considered.
Proceedings ArticleDOI
The algorithm for calculating integrals of hypergeometric type functions and its realization in REDUCE system
Victor Adamchik,O. I. Marichev +1 more
TL;DR: This algorithm allows us to calculate definite and indefinite integrals of the products of elementary and special functions of hypergeometric type and its realization in the REDUCE system during the process of creation of INTEGRATOR system.
Journal ArticleDOI
Urban optical wireless communication networks: the main challenges and possible solutions
Debbie Kedar,Shlomi Arnon +1 more
TL;DR: Some of the exciting new research approaches that have been suggested to deal with UOWC issues are presented, including optimization of telescope gain, new technologies for pointing systems, and solutions at the network level.
Related Papers (5)
The algorithm for calculating integrals of hypergeometric type functions and its realization in REDUCE system
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BPSK Subcarrier Intensity Modulated Free-Space Optical Communications in Atmospheric Turbulence
Outage Capacity Optimization for Free-Space Optical Links With Pointing Errors
A.A. Farid,Steve Hranilovic +1 more