Wireless Infrared Communications

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Low-Power Wireless Infrared Communications

Author : Rob Otte
Publisher : Springer Science & Business Media
ISBN 13 : 1475730152
Total Pages : 159 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Low-Power Wireless Infrared Communications by : Rob Otte

Download or read book Low-Power Wireless Infrared Communications written by Rob Otte and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today, wireless infrared transmission has entered our homes, offices, industry and health care, with applications in the field of remote control, telemetry, and local communication. This book is about the underlying technology. As it is an outgrowth of my Ph.D. thesis, the emphasis is on fundamental aspects rather than industrial aspects, like the standardization effort by the IrDA [7]. I guess that this is not a drawback, as, eventually, the laws of physics apply to all of us! As the applied radiation is not necessarily in the infrared, throughout the book we usually prefer the term optical transmission. As most equipment is battery-powered, the emphasis is on power optimiza tion of the optical transmission system. System parameters as well as environ mental parameters that determine the eventual transmission quality are iden tified, to facilitate well-reasoned system design. Many design rules, based on calculations, measurements and simulations are presented to help the designer push the performance close to the limits set by nature and the available tech nology. The first chapters introduce the subject and the present the scope of the book. Then, the basic transmission link is introduced in chapter 3, and strate gies to optimize its signal-to-noise ratio are discussed. Lighting flicker is identi fied as a possible source of interference. Then, receiver noise and bandwidth are discussed in chapter 4, mainly based on the material presented in [66], [67], [69].

Wireless Infrared Communications

Author : John R. Barry
Publisher : Springer
ISBN 13 : 9781461361626
Total Pages : 181 pages
Book Rating : 4.3/5 (616 download)

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Book Synopsis Wireless Infrared Communications by : John R. Barry

Download or read book Wireless Infrared Communications written by John R. Barry and published by Springer. This book was released on 2012-10-08 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for wireless access to network services is growing in virtually all communications and computing applications. Once accustomed to unteathered opera tion, users resent being tied to a desk or a fixed location, but will endure it when there is some substantial benefit, such as higher resolution or bandwidth. Recent technolog ical advances, however, such as the scaling of VLSI, the development of low-power circuit design techniques and architectures, increasing battery energy capacity, and advanced displays, are rapidly improving the capabilities of wireless devices. Many of the technological advances contributing to this revolution pertain to the wireless medium itself. There are two viable media: radio and optical. In radio, spread-spectrum techniques allow different users and services to coexist in the same bandwidth, and new microwave frequencies with plentiful bandwidth become viable as the speed of the supporting low-cost electronics increases. Radio has the advantage of being available ubiquitously indoors and outdoors, with the possibility of a seam less system infrastructure that allows users to move between the two. There are unan swered (but likely to be benign) biological effects of microwave radiation at higher power densities. Optical communications is enhanced by advances in photonic devices, such as semiconductor lasers and detectors. Optical is primarily an indoor technology - where it need not compete with sunlight - and offers advantages such as the immediate availability of a broad bandwidth without the need for regulatory approval.

Wireless Infrared Communications

Author : John R. Barry
Publisher : Springer Science & Business Media
ISBN 13 : 1461527007
Total Pages : 186 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Wireless Infrared Communications by : John R. Barry

Download or read book Wireless Infrared Communications written by John R. Barry and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for wireless access to network services is growing in virtually all communications and computing applications. Once accustomed to unteathered opera tion, users resent being tied to a desk or a fixed location, but will endure it when there is some substantial benefit, such as higher resolution or bandwidth. Recent technolog ical advances, however, such as the scaling of VLSI, the development of low-power circuit design techniques and architectures, increasing battery energy capacity, and advanced displays, are rapidly improving the capabilities of wireless devices. Many of the technological advances contributing to this revolution pertain to the wireless medium itself. There are two viable media: radio and optical. In radio, spread-spectrum techniques allow different users and services to coexist in the same bandwidth, and new microwave frequencies with plentiful bandwidth become viable as the speed of the supporting low-cost electronics increases. Radio has the advantage of being available ubiquitously indoors and outdoors, with the possibility of a seam less system infrastructure that allows users to move between the two. There are unan swered (but likely to be benign) biological effects of microwave radiation at higher power densities. Optical communications is enhanced by advances in photonic devices, such as semiconductor lasers and detectors. Optical is primarily an indoor technology - where it need not compete with sunlight - and offers advantages such as the immediate availability of a broad bandwidth without the need for regulatory approval.

Low-Power Wireless Infrared Communications

Author : Rob Otte
Publisher :
ISBN 13 : 9781475730166
Total Pages : 172 pages
Book Rating : 4.7/5 (31 download)

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Book Synopsis Low-Power Wireless Infrared Communications by : Rob Otte

Download or read book Low-Power Wireless Infrared Communications written by Rob Otte and published by . This book was released on 2014-01-15 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optical Wireless Communications

Author : Roberto Ramirez-Iniguez
Publisher : CRC Press
ISBN 13 : 1420013440
Total Pages : 376 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Optical Wireless Communications by : Roberto Ramirez-Iniguez

Download or read book Optical Wireless Communications written by Roberto Ramirez-Iniguez and published by CRC Press. This book was released on 2008-04-03 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last three decades, interest in Infrared (IR) technology as a medium to convey information has grown considerably. This is reflected by the increasing number of devices such as laptops, PDAs, and mobile phones that incorporate optical wireless transceivers and also by the increasing number of optical wireless links available for indoor and

Indoor Infrared Optical Wireless Communications

Author : Ke Wang
Publisher : CRC Press
ISBN 13 : 1000765555
Total Pages : 201 pages
Book Rating : 4.0/5 (7 download)

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Book Synopsis Indoor Infrared Optical Wireless Communications by : Ke Wang

Download or read book Indoor Infrared Optical Wireless Communications written by Ke Wang and published by CRC Press. This book was released on 2019-12-23 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to give an overview of recent developments in indoor near-infrared optical wireless communication technologies and systems, including basic theories, operating fundamentals, system architectures, modelling, experimental demonstrations, advanced techniques, and most recently, the research efforts towards integrations. Both line-of-sight and diffusive-signals-based options will be reviewed, to provide readers a complete picture about this rapidly developing area, which targets the provision of high-speed wireless connectivity to end- users in indoor environments, such as offices, homes and shopping centres, to satisfy the growing high-speed communication requirement. Provides a systematic approach for the fundamentals of indoor optical wireless communications. Provides an overview of recent developments in indoor infrared optical wireless communications, including theoretical fundamentals. Examines system architectures, modelling, experimental demonstrations, and the research efforts towards integrations. Dr. Ke Wang is an Australian Research Council (ARC) DECRA Fellow and a senior lecturer in the School of Engineering, Royal Melbourne Institute of Technology (RMIT University), VIC, Australia. He worked with the University of Melbourne, Australia, and Stanford University, California, before joining RMIT University. He has published over 110 peer-reviewed papers in top journals and leading international conferences, including over 20 invited papers. He has been awarded several prestigious national and international awards as recognition of research contributions, such as the Victoria Fellowship, the AIPS Young Tall Poppy Science Award, and the Marconi Society Paul Baran Young Scholar Award. His major areas of interest include: silicon photonics integration, opto-electronics integrated devices and circuits, nanophotonics, optical wireless technology for short-range applications, quasi-passive reconfigurable devices and applications and optical interconnects in data -centres and high-performance computing.

Optical Wireless Communications

Author : Z. Ghassemlooy
Publisher : CRC Press
ISBN 13 : 1351647776
Total Pages : 569 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Optical Wireless Communications by : Z. Ghassemlooy

Download or read book Optical Wireless Communications written by Z. Ghassemlooy and published by CRC Press. This book was released on 2019-04-30 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 2nd Edition of Optical Wireless Communications: System and Channel Modelling with MATLAB® with additional new materials, is a self-contained volume that provides a concise and comprehensive coverage of the theory and technology of optical wireless communication systems (OWC). The delivery method makes the book appropriate for students studying at undergraduate and graduate levels as well as researchers and professional engineers working in the field of OWC. The book gives a detailed description of OWC, focusing mainly on the infrared and visible bands, for indoor and outdoor applications. A major attraction of the book is the inclusion of Matlab codes and simulations results as well as experimental test-beds for free space optics and visible light communication systems. This valuable resource will aid the readers in understanding the concept, carrying out extensive analysis, simulations, implementation and evaluation of OWC links. This 2nd edition is structured into nine compact chapters that cover the main aspects of OWC systems: History, current state of the art and challenges Fundamental principles Optical source and detector and noise sources Modulation, equalization, diversity techniques Channel models and system performance analysis Visible light communications Terrestrial free space optics communications Relay-based free space optics communications Matlab codes. A number of Matlab based simulation codes are included in this 2nd edition to assist the readers in mastering the subject and most importantly to encourage them to write their own simulation codes and enhance their knowledge.

Advanced Optical Wireless Communication Systems

Author : Shlomi Arnon
Publisher : Cambridge University Press
ISBN 13 : 0521197872
Total Pages : 405 pages
Book Rating : 4.5/5 (211 download)

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Book Synopsis Advanced Optical Wireless Communication Systems by : Shlomi Arnon

Download or read book Advanced Optical Wireless Communication Systems written by Shlomi Arnon and published by Cambridge University Press. This book was released on 2012-05-24 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combines theory with real-world case studies to give a comprehensive overview of modern optical wireless technology.

Optical Wireless Communications

Author : Murat Uysal
Publisher : Springer
ISBN 13 : 3319302019
Total Pages : 639 pages
Book Rating : 4.3/5 (193 download)

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Book Synopsis Optical Wireless Communications by : Murat Uysal

Download or read book Optical Wireless Communications written by Murat Uysal and published by Springer. This book was released on 2016-08-25 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Fundamentals of Wireless Communication

Author : David Tse
Publisher : Cambridge University Press
ISBN 13 : 9780521845274
Total Pages : 598 pages
Book Rating : 4.8/5 (452 download)

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Book Synopsis Fundamentals of Wireless Communication by : David Tse

Download or read book Fundamentals of Wireless Communication written by David Tse and published by Cambridge University Press. This book was released on 2005-05-26 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook takes a unified view of the fundamentals of wireless communication and explains cutting-edge concepts in a simple and intuitive way. An abundant supply of exercises make it ideal for graduate courses in electrical and computer engineering and it will also be of great interest to practising engineers.

Short-Range Wireless Communications

Author : Rolf Kraemer
Publisher : John Wiley & Sons
ISBN 13 : 9780470740132
Total Pages : 368 pages
Book Rating : 4.7/5 (41 download)

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Book Synopsis Short-Range Wireless Communications by : Rolf Kraemer

Download or read book Short-Range Wireless Communications written by Rolf Kraemer and published by John Wiley & Sons. This book was released on 2009-02-05 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book reviews the future developments of short-range wireless communication technologies Short-Range Wireless Communications: Emerging Technologies and Applications summarizes the outcomes of WWRF Working Group 5, highlighting the latest research results and emerging trends on short-range communications. It contains contributions from leading research groups in academia and industry on future short-range wireless communication systems, in particular 60 GHz communications, ultra-wide band (UWB) communications, UWB radio over optical fiber, and design rules for future cooperative short-range communications systems. Starting from a brief description of state-of-the-art, the authors highlight the perspectives and limits of the technologies and identify where future research work is going to be focused. Key Features: Provides an in-depth coverage of wireless technologies that are about to start an evolution from international standards to mass products, and that will influence the future of short-range communications Offers a unique and invaluable visionary overview from both industry and academia Identifies open research problems, technological challenges, emerging technologies, and fundamental limits Covers ultra-high speed short-range communication in the 60 GHz band, UWB communication, limits and challenges, cooperative aspects in short-range communication and visible light communications, and UWB radio over optical fiber This book will be of interest to research managers, R&D engineers, lecturers and graduate students within the wireless communication research community. Executive managers and communication engineers will also find this reference useful.

THz Communications

Author : Thomas Kürner
Publisher : Springer Nature
ISBN 13 : 3030737381
Total Pages : 510 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis THz Communications by : Thomas Kürner

Download or read book THz Communications written by Thomas Kürner and published by Springer Nature. This book was released on 2021-12-07 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the fundamentals of THz communications, spanning the whole range of applications, propagation and channel models, RF transceiver technology, antennas, baseband techniques, and networking interfaces. The requested data rate in wireless communications will soon reach from 100 Gbit/s up to 1 Tbps necessitating systems with ultra-high bandwidths of several 10s of GHz which are available only above 200 GHz. In the last decade, research at these frequency bands has made significant progress, enabling mature experimental demonstrations of so-called THz communications, which are thus expected to play a vital role in future wireless networks. In addition to chapters by leading experts on the theory, modeling, and implementation of THz communication technology, the book also features the latest experimental results and addresses standardization and regulatory aspects. This book will be of interest to both academic researchers and engineers in the telecommunications industry.

Optical Wireless Communications

Author : Z. Ghassemlooy
Publisher : CRC Press
ISBN 13 : 1351647776
Total Pages : 569 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Optical Wireless Communications by : Z. Ghassemlooy

Optical Wireless Communications

Author : Z. Ghassemlooy
Publisher : CRC Press
ISBN 13 : 1351833251
Total Pages : 578 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Optical Wireless Communications by : Z. Ghassemlooy

Download or read book Optical Wireless Communications written by Z. Ghassemlooy and published by CRC Press. This book was released on 2017-07-12 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 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.

Wireless Optical Communication Systems

Author : Steve Hranilovic
Publisher : Springer Science & Business Media
ISBN 13 : 0387227857
Total Pages : 197 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Wireless Optical Communication Systems by : Steve Hranilovic

Download or read book Wireless Optical Communication Systems written by Steve Hranilovic and published by Springer Science & Business Media. This book was released on 2006-01-16 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume addresses the problem of designing efficient signalling and provides a link between the areas of communication theory and modem design for amplitude constrained linear optical intensity channel. It provides practical guidelines for the design of signalling sets for wireless optical intensity channels.

The Evolution of Untethered Communications

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 9780309059466
Total Pages : 208 pages
Book Rating : 4.0/5 (594 download)

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Book Synopsis The Evolution of Untethered Communications by : National Research Council

Download or read book The Evolution of Untethered Communications written by National Research Council and published by National Academies Press. This book was released on 1998-01-01 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: In response to a request from the Defense Advanced Research Projects Agency, the committee studied a range of issues to help identify what strategies the Department of Defense might follow to meet its need for flexible, rapidly deployable communications systems. Taking into account the military's particular requirements for security, interoperability, and other capabilities as well as the extent to which commercial technology development can be expected to support these and related needs, the book recommends systems and component research as well as organizational changes to help the DOD field state-of-the-art, cost-effective untethered communications systems. In addition to advising DARPA on where its investment in information technology for mobile wireless communications systems can have the greatest impact, the book explores the evolution of wireless technology, the often fruitful synergy between commercial and military research and development efforts, and the technical challenges still to be overcome in making the dream of "anytime, anywhere" communications a reality.

Optical Wireless Communications

Author : Z. Ghassemlooy
Publisher : CRC Press
ISBN 13 : 149874270X
Total Pages : 502 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Optical Wireless Communications by : Z. Ghassemlooy

Download or read book Optical Wireless Communications written by Z. Ghassemlooy and published by CRC Press. This book was released on 2019-04-30 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 2nd Edition of Optical Wireless Communications: System and Channel Modelling with MATLAB® with additional new materials, is a self-contained volume that provides a concise and comprehensive coverage of the theory and technology of optical wireless communication systems (OWC). The delivery method makes the book appropriate for students studying at undergraduate and graduate levels as well as researchers and professional engineers working in the field of OWC. The book gives a detailed description of OWC, focusing mainly on the infrared and visible bands, for indoor and outdoor applications. A major attraction of the book is the inclusion of Matlab codes and simulations results as well as experimental test-beds for free space optics and visible light communication systems. This valuable resource will aid the readers in understanding the concept, carrying out extensive analysis, simulations, implementation and evaluation of OWC links. This 2nd edition is structured into nine compact chapters that cover the main aspects of OWC systems: History, current state of the art and challenges Fundamental principles Optical source and detector and noise sources Modulation, equalization, diversity techniques Channel models and system performance analysis Visible light communications Terrestrial free space optics communications Relay-based free space optics communications Matlab codes. A number of Matlab based simulation codes are included in this 2nd edition to assist the readers in mastering the subject and most importantly to encourage them to write their own simulation codes and enhance their knowledge.