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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.read more
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Proceedings ArticleDOI
Free space optical communication with spatial diversity based on orbital angular momentum of light
TL;DR: It is shown that transmitted beams carrying sufficiently separated OAM modes experience highly uncorrelated turbulence effects, and the outage probability analysis confirms that spatial diversity gain is achievable using the proposed technique without requiring the deployment of multiple apertures which is necessary for traditional spatial diversity schemes.
Journal ArticleDOI
Indoor optical wireless access networks—recent progress [Invited]
Ampalavanapillai Nirmalathas,Tingting Song,Sampath Edirisinghe,Ke Wang,Christina Lim,Elaine Wong,Chathurika Ranaweera,Kamal Alameh +7 more
TL;DR: This paper presents a review of recent progress in achieving functions of communication, localization, resiliency, and dynamic networking using optical-layer techniques.
Journal ArticleDOI
Subband Index Carrierless Amplitude and Phase Modulation for Optical Communications
TL;DR: In this article, the authors proposed a detection scheme for SI-CAP, which achieves maximum likelihood performance at a significantly lower complexity, and an adaptive equalization technique is implemented to further enhance the performance gain.
Journal ArticleDOI
Diversity-Multiplexing Tradeoff for MIMO-FSO System Under Different Transmission Scenarios With Limited Quantized Feedback
Pranav Sharda,Manav R. Bhatnagar +1 more
TL;DR: It is illustrated that power control based on the feedback plays a vital role in attaining the optimal DMT, and rate adaptation is significant in obtaining a high diversity gain, especially at high rates.
Proceedings ArticleDOI
Performance Enhancement of VLC-Based Systems Using Diversity Combining Schemes in the Receiver
Pablo Palacios Jativa,Cesar A. Azurdia-Meza,Milton Roman Canizares,Sandra Cespedes,Samuel Montejo-Sanchez +4 more
TL;DR: The results indicate that the ADR implemented with the MRC scheme outperform the SBC and EGC schemes in terms of signal-to-interference-plus-noise-ratio (SINR) and User Data Rate.