Описание: This book focuses on emerging issues in power-aware portable multimedia communications devices beyond low-power electronic design. It compiles system-level power management approaches, from theoretical and simulation studies to experimental test beds related to low power computing, mobile communication and networking.
Описание: By exploiting the synergies among available data, information fusion can reduce data traffic, filter noisy measurements, and make predictions and inferences about a monitored entity. Networked Filtering and Fusion in Wireless Sensor Networks introduces the subject of multi-sensor fusion as the method of choice for implementing distributed systems.The book examines the state of the art in information fusion. It presents the known methods, algorithms, architectures, and models of information fusion and discusses their applicability in the context of wireless sensor networks (WSNs). Paying particular attention to the wide range of topics that have been covered in recent literature, the text presents the results of a number of typical case studies.Complete with research supported elements and comprehensive references, this teaching-oriented volume uses standard scientific terminology, conventions, and notations throughout. It applies recently developed convex optimization theory and highly efficient algorithms in estimation fusion to open up discussion and provide researchers with an ideal starting point for further research on distributed estimation and fusion for WSNs.The book supplies a cohesive overview of the key results of theory and applications of information-fusion-related problems in networked systems in a unified framework. Providing advanced mathematical treatment of fundamental problems with information fusion, it will help you broaden your understanding of prospective applications and how to address such problems in practice.After reading the book, you will gain the understanding required to model parts of dynamic systems and use those models to develop distributed fusion control algorithms that are based on feedback control theory.
Описание: This book describes the main aspects of radio propagation due to different natural and manmade phenomena occurring in ionospheric plasma. It discusses the possibility of stable radio communication links based on local scattering at field-elongated plasma inhomogeneities including natural inhomogeneities as well as artificial inhomogeneities. The text also explains how inhomogeneities can create focusing effects and can capture and channel radio waves in the ionosphere-ground surface waveguides and transmit information over long distances.
Автор: Sadiku Название: Optical and Wireless Communications ISBN: 0849312787 ISBN-13(EAN): 9780849312786 Издательство: Taylor&Francis Рейтинг: Цена: р. Наличие на складе: Невозможна поставка.
Описание: Next-generation technologies, both wireless and optical, are being introduced into the global communications infrastructure at an astonishing pace and will undoubtedly dominate the future of the communications industry. Optical and Wireless Communications: Next Generation Networks covers both of these independent yet complementary types of networks in a unique presentation designed for a one-semester course for senior undergraduate and graduate engineering students. Requiring only general background knowledge in data communications, it is also ideal for professional seminars on optical and wireless networks and as a reference for engineers, systems planners, and researchers.
Автор: Hranilovic Steve Название: Wireless Optical Communication Systems ISBN: 0387227849 ISBN-13(EAN): 9780387227849 Издательство: Springer Рейтинг: Цена: 17270 р. Наличие на складе: Поставка под заказ.
Описание: Wireless Optical Communication Systems 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. Topics include historical perspective, channel impairments, amplitude constraints and the characteristics of popular optoelectronic components. A variety of wireless optical channel topologies are presented along with a survey and analysis of present day signalling techniques employed for these channels. The author provides a unifying framework for signalling design which allows the channel constraints to be represented geometrically and permits the use of modem design principles from electrical channels. Modulation schemes are designed using the formalism of lattice codes and a design process for signalling sets is specified. The use of multiple-input/multiple-output (MIMO) wireless optical channels to improve the spectral efficiency of links is explored. The basic spatio-temporal modem design problem is specified and a spatial multiplexing gain is quantified. New spatial discrete multitone modulation is proposed and the unique features are discussed. Based on measurements on an experimental prototype, a channel model is formulated and a realizable spatio-temporal coding scheme is simulated to quantify performance gains. This volume is organized for professional and academic readers engaged in modem design for wireless optical intensity channels. Significant background material is presented on both the properties as well as on fundamental communications principles. Wireless Optical Communication Systems can be used by physicists and experimentalists as an introduction to signalling design as well as communication systems designers.
Автор: Blaunstein Название: Applied Aspects of Optical Communication and LIDAR ISBN: 1420090402 ISBN-13(EAN): 9781420090406 Издательство: Taylor&Francis Рейтинг: Цена: 22000 р. Наличие на складе: Поставка под заказ.
Описание: 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. This concise reference addresses line-of-sight (LOS) as well as obstructive non-line-of-sight (NLOS) propagation conditions.
Автор: Arnon Название: Advanced Optical Wireless Communication Systems ISBN: 0521197872 ISBN-13(EAN): 9780521197878 Издательство: Cambridge Academ Рейтинг: Цена: 15612 р. Наличие на складе: Поставка под заказ.
Описание: Optical wireless communications is a dynamic area of research and development. Combining fundamental theory with a broad overview, this book is an ideal reference for anyone working in the field, as well as a valuable guide for self-study. It begins by describing important issues in optical wireless theory, including coding and modulation techniques for optical wireless, wireless optical CDMA communication systems, equalization and Markov chains in cloud channels and optical MIMO systems, as well as explaining key issues in information theory for optical wireless channels. The next section describes unique channels that could be found in optical wireless applications, such as NLOS UV atmospheric scattering channels, underwater communication links and a combination of hybrid RF/optical wireless systems. The final section describes applications of optical wireless technology, such as quantum encryption, visible light communication, IR links and sensor networks, with step-by-step guidelines to help reduce design time and cost.
Автор: Sen Название: Fieldbus and Networking in Process Automation ISBN: 1466586761 ISBN-13(EAN): 9781466586765 Издательство: Taylor&Francis Рейтинг: Цена: 19250 р. Наличие на складе: Поставка под заказ.
Описание: Fieldbuses, particularly wireless fieldbuses, offer a multitude of benefits to process control and automation. Fieldbuses replace point-to-point technology with digital communication networks, offering increased data availability and easier configurability and interoperability. Fieldbus and Networking in Process Automation discusses the newest fieldbuses on the market today, detailing their utilities, components and configurations, wiring and installation methods, commissioning, and safety aspects under hostile environmental conditions. This clear and concise text: Considers the advantages and shortcomings of the most sought after fieldbuses, including HART, Foundation Fieldbus, and Profibus Presents an overview of data communication, networking, cabling, surge protection systems, and device connection techniques Provides comprehensive coverage of intrinsic safety essential to the process control, automation, and chemical industries Describes different wireless standards and their coexistence issues, as well as wireless sensor networks Examines the latest offerings in the wireless networking arena, such as WHART and ISA100.11a Offering a snapshot of the current state of the art, Fieldbus and Networking in Process Automation not only addresses aspects of integration, interoperability, operation, and automation pertaining to fieldbuses, but also encourages readers to explore potential applications in any given industrial environment.
Описание: Compared with conventional communications, cooperative communication allows multiple users in a wireless network to coordinate their packet transmissions and share each other's resources, thus achieving high-performance gain and better service coverage and reliability. Energy Efficient Cooperative Wireless Communication and Networks provides a comprehensive look at energy efficiency and system design of cooperative wireless communication.Introducing effective cooperative wireless communication schemes, the book supplies the understanding and methods required to improve energy efficiency, reliability, and end-to-end protocol designs for wireless communication systems. It explains the practical benefits and limitations of cooperative transmissions along with the associated designs of upper-layer protocols, including MAC, routing, and transport protocol.The book considers power efficiency as a main objective in cooperative communication to ensure quality-of-service (QoS) requirements. It explains how to bring the performance gain at the physical layer up to the network layer and how to allocate network resources dynamically through MAC/scheduling and routing to trade off the performance benefits of given transmissions against network costs. Because the techniques detailed in each chapter can help readers achieve energy efficiency and reliability in wireless networks, they have the potential to impact a range of industry areas, including wireless communication, wireless sensor networks, and ad hoc networks.The book includes numerous examples, best practices, and models that capture key issues in real-world applications. Along with algorithms and tips for effective design, the book supplies the understanding you will need to achieve high-performing and energy efficient wireless networks with improved service coverage and reliability.
Название: Cognitive Vehicular Networks ISBN: 1498721915 ISBN-13(EAN): 9781498721912 Издательство: Taylor&Francis Рейтинг: Цена: 15125 р. Наличие на складе: Невозможна поставка.
Описание: A comprehensive text on both current and emerging areas of cognitive vehicular networks, this book focuses on a new class of mobile ad hoc networks. It uses a pedagogical approach utilizing cognitive aspects applied to vehicular environments and comprises contributions from well-known and high profile researchers in their respective specialties. The book provides significant technical and practical insights on different perspectives, starting from a basic background on cognitive radio, interrelated technologies, application to vehicular networks, technical challenges, and future trends.
Описание: Starting with the fundamentals of DSP methods and essential maths, this text focuses on DSP in room acoustic measurements, psycho-acoustics related filter design, machine audition (audio quality assessment), spatial audio and array technologies, surface acoustics and room design, audio pattern recognition, codecs and multi-platform delivery of contents. The book represents a new angle of application-oriented DSP techniques in audio. MATLAB is included with downloads available on the CRC site. Mini projects provide an in-depth look by researchers, professionals and students.
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