Z. Ghassemlooy – författare

One of the many problems facing designers of fibre systems is the basic question of how best to transmit analogue-sourced signals; either on dedicated point-to-point links or as part of mixed-mode traffic on a predominantly digital fibre service network. This book discusses the fundamental principles involved and describes a variety of techniques and applications. The chapters have been contributed by invited researchers with expertise in a range of areas and outline the latest methods and analytical approaches, components and systems.The general topics covered include subcarrier multiplexing (SCM) and coherent techniques, transmissions of TV signals, soliton and pulse time modulation methods and performance assessment of subcarrier multiplexed optical systems. Specific technological and system component issues addressed include generation and delivery of millimetre-waves over fibre systems for mobile communications, tuned optical receivers for fibre SCM systems and optical fibre amplifiers, and wavelength division multiplexing (WDM).Written by leading authorities in their fields, this graduate level text should be of interest to all scientists and engineers concerned with transmission of analogue-sourced information over fibre systems.

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 factors—including various channel models—affect system performance and mitigation techniques. In addition, this book broadly covers crucial aspects of OWC systems: Fundamental principles of OWCDevices and systemsModulation techniques and schemes (including polarization shift keying)Channel models and system performance analysisEmerging visible light communicationsTerrestrial free space optics communicationUse of infrared in indoor OWCOne 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.