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Free Space Optical Networks For Ultra Broad Band Services

Author: Stamatios V. Kartalopoulos
Publisher: John Wiley & Sons
ISBN: 1118104226
Size: 20.21 MB
Format: PDF
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This book provides a comprehensive description of an optical communications technology known as free space optical—a next-generation communications network that uses optical signals through the atmosphere instead of fiber, RF, or microwaves. This technology potentially offers more complex ultrabandwidth communication services simultaneously to multiple users and in a very short time, compared to fiber optic technology. This text presents established and new advancements drawn from the latest research and development in components, networking, operation, and practices. This book describes the FSO network concepts in simple language. It provides comprehensive coverage in an easy-to-understand, progressive style that starts from the physics of the atmosphere and how it affects optical communications; continues with the design of a network node; and concludes with fiberless network applications from point-to-point to mesh topology. Important areas discussed include: Propagation of light in the atmosphere and phenomena that affect light propagation FSO transceiver design Point-to-point FSO systems Ring FSO systems Mesh-FSO systems and integrating the Mesh-FSO with the public network WDM Mesh-FSO FSO network security FSO-specific applications To meet the needs of both academia and industry, key mathematical formulas are presented along with descriptions, while extensive mathematical analyses are minimized or avoided. Free Space Optical Networks for Ultra-Broad Band Services serves as an ideal text for network communication professionals who enter the free space optical communication field, graduate students majoring in optical communications, optical communication engineers, researchers, managers, and consultants.

Free Space Optics

Author: Heinz Willebrand
Publisher: Sams Publishing
ISBN: 9780672322488
Size: 41.83 MB
Format: PDF, ePub
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Discusses free-space optics and their use in high-bandwidth systems and high-speed networks, covering topics including the physics behind free-space optics technology and using free-space optics to extend existing networks.

Internet Of Vehicles Technologies And Services For Smart Cities

Author: Sheng-Lung Peng
Publisher: Springer
ISBN: 3319723294
Size: 11.95 MB
Format: PDF, ePub, Mobi
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This book constitutes the proceedings of the 4th International Conference on Internet of Vehicles, IOV 2017, held in Kanazawa, Japan, in November 2017. The 19 papers presented in this volume were carefully reviewed and selected from 40 submissions. They deal with advances in the state of the art and practice of the IoV architectures, protocols, services and applications, as well as identifying emerging research topics and define the future directions of Internet of Vehicles.

Home Networking

Author: Khaldoun Al Agha
Publisher: Springer
ISBN: 0387772162
Size: 23.38 MB
Format: PDF, ePub, Mobi
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The Home Networking Conference 2007 provided an international technical forum for experts from industry and academia everywhere in the world to exchange ideas and present results of ongoing researches in home networking. The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. Proceedings and post-proceedings of referred international conferences in computer science and interdisciplinary fields are featured.

What S Yours Is Mine

Author: Adam D. Thierer
Publisher: Cato Institute
ISBN: 9781930865426
Size: 24.26 MB
Format: PDF
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n What's Yours Is Mine: Open Access and the Rise of Infrastructure Socialism, authors Adam Thierer and Clyde Wayne Crews Jr. examine the hazards of mandatory open access -- a new trend in which hyper-regulatory bureaucrats and central planners are increasingly commanding technology companies and industry sectors to share networks, facilities, or specific technologies with rivals.

Optical Wireless Communications

Author: Murat Uysal
Publisher: Springer
ISBN: 3319302019
Size: 45.64 MB
Format: PDF, Kindle
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This book focuses on optical wireless communications (OWC), an emerging technology with huge potential for the provision of pervasive and reliable next-generation communications networks. It shows how the development of novel and efficient wireless technologies can contribute to a range of transmission links essential for the heterogeneous networks of the future to support various communications services and traffic patterns with ever-increasing demands for higher data-transfer rates. The book starts with a chapter reviewing the OWC field, which explains different sub-technologies (visible-light, ultraviolet (UV) and infrared (IR) communications) and introduces the spectrum of application areas (indoor, vehicular, terrestrial, underwater, intersatellite, deep space, etc.). This provides readers with the necessary background information to understand the specialist material in the main body of the book, which is in four parts. The first of these deals with propagation modelling and channel characterization of OWC channels at different spectral bands and with different applications. The second starts by providing a unified information-theoretic treatment of OWC and then discusses advanced physical-layer methodologies (including, but not limited to: advanced coding, modulation diversity, cooperation and multi-carrier techniques) and the ultimate limitations imposed by practical constraints. On top of the physical layer come the upper-layer protocols and cross-layer designs that are the subject of the third part of the book. The last part of the book features a chapter-by-chapter assessment of selected OWC applications. Optical Wireless Communications is a valuable reference guide for academic researchers and practitioners concerned with the future development of the world’s communication networks. It succinctly but comprehensively presents the latest advances in the field.

Evolving The Access Network

Author: International Engineering Consortium
Publisher: Intl. Engineering Consortiu
ISBN: 9781931695527
Size: 55.44 MB
Format: PDF
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An in-depth piece that focuses on how companies can migrate their traditional networks to broadband—yet support new services without sacrificing the quality or profitability of either—this guide discusses which technology should be deployed and what the network impact of delivering such emerging services is.

The Comsoc Guide To Passive Optical Networks

Author: Stephen B. Weinstein
Publisher: John Wiley & Sons
ISBN: 1118250532
Size: 65.76 MB
Format: PDF, Docs
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Describes the major architectures, standards, and technologies of Passive Optical Networks (PONs) The ComSoc Guide to Passive Optical Networks provides readers with a concise explanation of the key features of Passive Optical Networks (PONs); the different types of PON architectures and standards; key issues of PON devices, management, and implementation; and the promising business opportunities in access networks. Written for a broad audience, ranging from developers to users, this indispensable book provides an understanding o the evolutionary path of PON access systems and their positioning with respect to the cable, copper, and wireless competitors for broadband access networks. In addition, The ComSoc Guide to Passive Optical Networks: Provides brief, high-level overviews of the architectures and applications of Fiber-to-the-Home (FTTH) or Fiber-to-the-Curb (FTTC) access networks and the alternative HFC, subscriber line, and WiMAX access systems Awards readers with a clear understanding of what BPON, GPON, WDM-PON and EPON are and how they work, together with an introduction to their respective standards Carefully defines all acronyms and technical terms, making the book accessible to those who may not be specialists in this area Gives readers an appreciation of the last mile problems in telecommunications access networks, and the opportunities in optical-wireless integration