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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

Impact of Receiver Orientation on OLED-based Visible-Light D2D Communications

TL;DR: In this paper, the impact of the receiver orientation on the channel characteristics is investigated, where two static users face each other and the receiver is intentionally oriented towards the transmitter, and it is shown that, in an empty room, the range of delay spreads are around 6 to 7.5 ns and 6 to 10 ns when the distances of the transmitter from the wall are 1.5 and 7.4 m, respectively.
Proceedings ArticleDOI

Non-linearity of LEDs for VLC IoT applications

TL;DR: It is demonstrated that working in the full LED region can provide received electrical power gains in the mobile IoT tag of around 15 dB, and without affecting the communication rate for IoT applications, and at the penalty of about 10% increase in the total energy consumption of LEDs.
Proceedings ArticleDOI

BER Analysis of Lognormal and Gamma-Gamma Turbulence Channel under different modulation Techniques for FSO System

TL;DR: Various modulation techniques have been discussed over commonly used Lognormal and Gamma- Gamma turbulence for all turbulence regimes to obtain an optimum BER.
Proceedings ArticleDOI

Design of an evaluation breadboard with SNSPD for testing various deep space optical communication applications

TL;DR: An authentic deep space Poisson channel is emulated and examined and the experimental results show that the proposed method can evaluate various deep space optical scenarios.
Journal ArticleDOI

Chaos synchronization in visible light communications with variable delays induced by multipath fading

TL;DR: It is shown that, for the chaotic oscillator and coupling applied in the defined room settings, complete chaotic synchronization can be achieved and that it is robust up to the tens of MHz region.
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