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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

Visible light communications employing PPM and PWM formats for simultaneous data transmission and dimming

TL;DR: It is shown that independent control of light dimming is possible while transmitting data within a typical room environment, provided the PWM dimming period is an integer multiple of the PPM slot duration.
Journal ArticleDOI

Simultaneous Position and Orientation Estimation for Visible Light Systems With Multiple LEDs and Multiple PDs

TL;DR: This paper designs two SPO algorithms using the principle of optimization on manifolds, which alleviates the constraints from the rotation matrix, and proposes an initialization algorithm, based on the direct linear transformation (DLT) principle, to obtain an initial estimate in closed-form for the iterative algorithms.
Journal ArticleDOI

Performance of Spatial Diversity DCO-OFDM in a Weak Turbulence Underwater Visible Light Communication Channel

TL;DR: It is shown that spatial diversity can effectively reduce the turbulence-induced channel fading and is useful for designing, predicting, and evaluating the DCO-OFDM UVLC system in a weak oceanic turbulence condition.
Journal ArticleDOI

Site Diversity in Downlink Optical Satellite Networks Through Ground Station Selection

TL;DR: In this article, the best ground station (GS) is selected among numerous candidates to provide reliable connectivity and site diversity for downlink laser SatCom, where the best GS is selected from numerous candidates.
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Novel colour-clustered multiuser visible light communication

TL;DR: This study proposes a novel multiuser (MU) access scheme exploiting colour bands, which it defines as colour clusters, and demonstrates that the proposed MU‐VLC system provides an efficient MU VLC platform with significant performances over various transmission scenarios.
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