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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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Journal ArticleDOI

Performance of a PPM hard decision-based ARQ-FSO system in a weak turbulence channel

TL;DR: The results of the numerical simulation show that the ARQ-FSO system can effectively improve the bit error rate (BER) performance of the direct hard decision PPM system and significantly improves the average throughput efficiency compared to traditional ARQ systems.
Proceedings ArticleDOI

Channel modeling and characterization for VLC indoor transmission systems based on MMC ray tracing method

TL;DR: Methodology of obtaining the channel impulse responses (CIRs) on a way of numerical calculation for optical wireless transmission systems working indoor, including also those which work in scope of visible spectrum of light (VLC), based on the modified Monte Carlo ray tracing algorithm (MMC), which allows to determine them with really good quality for any room conditions in a short time.
Journal ArticleDOI

A Comprehensive Comparison and Analysis of Several Intensity Modulations Based on the Underwater Photon-Counting Communication System

TL;DR: In this paper , the authors analyzed the communication performance of a single-photon avalanche diode-based underwater photon-counting communication (UPCC) system and found that the PPM has the longest transmission distance at the same bit error ratio when M > 2, but the lowest communication rate under identical modulation bandwidth and average transmit power; and the DPPM and DPIM perform the optimum communication performance at the fixed communication rate when M = 8.
Journal ArticleDOI

Air turbulence effects on performance of optical wireless communication with crosstalk in server backplane

TL;DR: The primary objective is to experimentally examine the off-axis crosstalk between links in the presence of turbulence inside a server chassis and first- and second-order statistics are derived.
Journal ArticleDOI

Irradiance scintillation index on slant atmospheric turbulence: simple approach

TL;DR: In this article, a polynomial is proposed for the refractive index structure parameter, on which a closed form is derived for the irradiance scintillation index of a spherical optical wave propagating through a slant atmospheric turbulence.
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