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Optical Wireless Communications: System and Channel Modelling with MATLAB®

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TLDR
The authors highlight past and current research activities to illustrate optical sources, transmitters, detectors, receivers, and other devices used in optical wireless communications and describe techniques for using theoretical analysis and simulation to mitigate channel impact on system performance.
Abstract
Detailing a systems approach, Optical Wireless Communications: System and Channel Modelling with MATLAB, is a self-contained volume that concisely and comprehensively covers the theory and technology of optical wireless communications systems (OWC) in a way that is suitable for undergraduate and graduate-level students, as well as researchers and professional engineers. Incorporating MATLAB throughout, the authors highlight past and current research activities to illustrate optical sources, transmitters, detectors, receivers, and other devices used in optical wireless communications. They also discuss both indoor and outdoor environments, discussing how different factorsincluding various channel modelsaffect system performance and mitigation techniques. In addition, this book broadly covers crucial aspects of OWC systems: Fundamental principles of OWC Devices and systems Modulation techniques and schemes (including polarization shift keying) Channel models and system performance analysis Emerging visible light communications Terrestrial free space optics communication Use of infrared in indoor OWC One entire chapter explores the emerging field of visible light communications, and others describe techniques for using theoretical analysis and simulation to mitigate channel impact on system performance. Additional topics include wavelet denoising, artificial neural networks, and spatial diversity. Content also covers different challenges encountered in OWC, as well as outlining possible solutions and current research trends. A major attraction of the book is the presentation of MATLAB simulations and codes, which enable readers to execute extensive simulations and better understand OWC in general.

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Proceedings ArticleDOI

Adaptive M-PAM for Multiuser MISO Indoor VLC Systems

TL;DR: An adaptive M-ary pulse amplitude modulation (M- PAM) algorithm to support multiple users that can adjust the modulation constellation size for each user to maximize the bit rate under different channel environments such as shadowing, light dimming, and the impact of multiple access interference.
Journal ArticleDOI

Impact of repeaters on the performance of indoor visible light communications

TL;DR: It is found that when the channel is shadowed, the impact of repeaters on the communication reliability is more distinct and both the BER and the illuminance performance can be improved at any location in a typical office space.
Journal ArticleDOI

Moment-Based Approach for Statistical and Simulative Analysis of Turbulent Atmospheric Channels in FSO Communication

TL;DR: A unified approach for the performance analysis of the Log-normal, Nakagami-n (Rician), and Rayleigh statistical models is presented by deriving the exact closed-form expressions for average bit error probability and the outage probability of each model.
Journal ArticleDOI

Experimental Setup to Validate the Effects of Major Environmental Parameters on the Performance of FSO Communication Link in Qatar

TL;DR: In this article, the effect of weather conditions and chemical composition of the atmosphere on free-space optical (FSO) transmissions in a region like Qatar has been studied, where the environment parameters were recorded using a weather station installed near the transmitter.
Proceedings ArticleDOI

Modelling of wireless fading channels with RF impairments using virtual instruments

TL;DR: The design and implementation of the software simulator for modelling interferences, which occur in real transmission channels, are described, which enables testing of new and existing techniques for minimizing the intersymbol interferences (ISI).
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