terrestrial wireless optical communication

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Terrestrial Wireless Optical Communication

Author : Devi Chadha
ISBN : 9780071818766
Genre : Technology & Engineering
File Size : 72. 27 MB
Format : PDF
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A practical guide to next-generation wireless terrestrial optical communication through the atmospheric channel Terrestrial Wireless Optical Communication provides in-depth details on free space optics (FSO), from basic concepts to design implementation. The book explains channel characteristics in the near-IR and IR range of the spectrum, atmospheric channel models, modulation and detection techniques, optimal performance, capacity enhancement methods, and forward-error coding schemes. Link and system design issues, reliability, and safety standards are also discussed. The information in this essential guide enables you to deliver cost-effective and transparent wireless network interoperability and expandability. Coverage includes: Introduction--optical wireless communication systems Wireless optical channels Channel modeling Modulation techniques Diversity and detection techniques in optical fading channels Channel capacity Coding in FSO channels FSO link and system design

Optical Wireless Communications

Author : Z. Ghassemlooy
ISBN : 9781439851883
Genre : Technology & Engineering
File Size : 87. 9 MB
Format : PDF, Docs
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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.

Radio Propagation And Adaptive Antennas For Wireless Communication Links

Author : Nathan Blaunstein
ISBN : 9780470069981
Genre : Technology & Engineering
File Size : 28. 28 MB
Format : PDF, Docs
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Free Space Optical Communication

Author : A. Arockia Bazil Raj
ISBN : 9783110450163
Genre : Technology & Engineering
File Size : 45. 90 MB
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The book focuses on experimental modeling of atmospheric turbulence effects and mitigation of beam wandering and wavefront distortions in terrestrial free space optical communication (FSOC). This means, developing a reliable FSOC system with a necessary optoelectronic assembly to compensate the atmospheric turbulence effects, so as to practically attain the acceptable BER under any real-world open atmospheric turbulence conditions.

Optical Wireless Communications

Author : Murat Uysal
ISBN : 9783319302010
Genre : Technology & Engineering
File Size : 45. 20 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.

Advanced Optical Wireless Communication Systems

Author : Shlomi Arnon
ISBN : 9780521197878
Genre : Technology & Engineering
File Size : 25. 10 MB
Format : PDF
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Combines theory with real-world case studies to give a comprehensive overview of modern optical wireless technology.

Free Space Optics Communication For Mobile Military Platforms

Author : Soo S. Neo
ISBN : 1423513525
Genre :
File Size : 36. 16 MB
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Free Space Optics (FSO) is widely regarded as the next-generation high-speed wireless communication technology. FSO has demonstrated its capability to deliver data faster than any other state-of-the-art wireless communication technology. Today, terrestrial FSO links are able to reach 150 kilometers; unmultiplexed data rates of 2.5 Gbps have been achieved; Acquisition, Pointing, and Tracking (APT) systems have been successfully deployed between communication satellites; and carrier-class availability are being offered by FSO vendors. However, FSO has not seen widespread use in the military. This is attributed to the fact that military platforms are largely mobile, while the progress in the commercial arena has largely been confined to links between fixed sites. This thesis analyzes the features of FSO technology while being mindful of how these apply to the military. These features include the bandwidth, spectrum use, bit error rates, communications security, free- space loss, and power consumption. The limitations and challenges presented by atmospheric effects, directional precision, line-of-sight obstructions, and laser safety are also studied. A final section will look at the acquisition, pointing, and tracking mechanisms that are necessary for deploying FSO on mobile platforms.

Optical Wireless Communications

Author : Z. Ghassemlooy
ISBN : 9781439851883
Genre : Technology & Engineering
File Size : 53. 9 MB
Format : PDF, ePub, Mobi
Download : 679
Read : 638

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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.

Advances In Communication Devices And Networking

Author : Rabindranath Bera
ISBN : 9789811079016
Genre : Technology & Engineering
File Size : 66. 45 MB
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The book provides insights of International Conference in Communication, Devices and Networking (ICCDN 2017) organized by the Department of Electronics and Communication Engineering, Sikkim Manipal Institute of Technology, Sikkim, India during 3 – 4 June, 2017. The book discusses latest research papers presented by researchers, engineers, academicians and industry professionals. It also assists both novice and experienced scientists and developers, to explore newer scopes, collect new ideas and establish new cooperation between research groups and exchange ideas, information, techniques and applications in the field of electronics, communication, devices and networking.

Applied Aspects Of Optical Communication And Lidar

Author : Nathan Blaunstein
ISBN : 1420090453
Genre : Technology & Engineering
File Size : 54. 14 MB
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Exploring the practical aspects of atmospheric optical communication and light detection and ranging (LIDAR), Applied Aspects of Optical Communication and LIDAR details the role of atmospheric structures in propagation phenomena that influence the transmission of optical signals through perturbed atmospheric communication channels. It examines numerous situations in over-the-terrain atmospheric communication channels, including the effects of natural phenomena and the corresponding features (turbulences and hydrometeors) on optical ray propagation. Bridging the gap between the parameters of optical communication links and signal information data streams, this concise reference addresses line-of-sight (LOS) as well as obstructive non-line-of-sight (NLOS) propagation conditions. It also: Details the main characteristics of optical communication channels Introduces the quasi-regular gaseous atmosphere Describes numerous situations in the atmospheric communication channel Explains the main characteristics of optical communication channels Complete with parameters for information data streams, the text also provides time-saving suggestions for determining which optical devices will work best for minimizing the deleterious effects of natural atmospheric phenomena. Whether you’re a researcher, an engineer, or student—this book provides you with the practical understanding required to use LIDAR to investigate all forms of atmospheric phenomena and to learn how to accurately predict primary parameters of atmospheric optical channels.

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