This book offers a readable narrative of the science and technology of early radio combined with sociological and economic analysis of how radio changed our lives Originally published in 1985. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

The aim of this book is to present the modern design and analysis principles of millimeter-wave communication system for wireless devices and to give postgraduates and system professionals the design insights and challenges when integrating millimeter wave personal communication system. Millimeter wave communication system are going to play key roles in modern gigabit wireless communication area as millimeter-wave industrial standards from IEEE, European Computer Manufacturing Association (ECMA) and Wireless High Definition (Wireless HD) Group, are on their way to the market. The book will review up-to-date research results and utilize numerous design and analysis for the whole system covering from Millimeter wave frontend to digital signal processing in order to address major topics in a high speed wireless system.

This book emphasizes the importance and the requirements of high-gain antennas, low power transceiver, adaptive equalizer/modulation, channeling coding and adaptive multi-user detection for gigabit wireless communications. In addition, the book will include the updated research literature and patents in the topics of transceivers, antennas, MIMO, channel capacity, coding, equalizer, Modem and multi-user detection. Finally the application of these antennas will be discussed in light of different forthcoming wireless standards at V-band and E-band.

The NAB Engineering Handbook is the definitive resource for broadcast engineers. It provides in-depth information about each aspect of the broadcast chain from audio and video contribution through an entire broadcast facility all the way to the antenna. New topics include Ultra High Definition Television, Internet Radio Interfacing and Streaming, ATSC 3.0, Digital Audio Compression Techniques, Digital Television Audio Loudness Management, and Video Format and Standards Conversion. Important updates have been made to incumbent topics such as AM, Shortwave, FM and Television Transmitting Systems, Studio Lighting, Cameras, and Principles of Acoustics. The big-picture, comprehensive nature of the NAB Engineering Handbook will appeal to all broadcast engineers-everyone from broadcast chief engineers, who need expanded knowledge of all the specialized areas they encounter in the field, to technologists in specialized fields like IT and RF who are interested in learning about unfamiliar topics. Chapters are written to be accessible and easy to understand by all levels of engineers and technicians. A wide range of related topics that engineers and technical managers need to understand are covered, including broadcast documentation, FCC practices, technical standards, security, safety, disaster planning, facility planning, project management, and engineering management.

New automated, application-independent methodology for designing and deploying sensor networks

Following this book's clear explanations, examples, and illustrations, domain experts can design and deploy nontrivial networked sensing applications without much knowledge of the low-level networking aspects of deployment. This new approach is based on the Abstract Task Graph (ATaG), a data-driven programming model and an innovative methodology forarchitecture-independent programming and automatic software synthesis for sensor networks. ATaG programs are concise, understandable, and network-independent descriptions of global application functionality that can be automatically compiled onto any target deployment.

The book begins with an overview chapter that addresses the important issues of programming methodologies and compares various programming models for sensor networks. Next, the authors set forth everything you need for designing and deploying sensor networks using ATaG, including:

Detailed description of the ATaG model's features

System-level support for architecture-independent programming

Examination of the graphical programming and software synthesis environment for ATaG

Case study illustrating the process of end-to-end application development and software synthesis using ATaG

Throughout the book, the authors provide code excerpts and figures to help clarify key concepts and explain each step.

For programmers, the graphical formalism of the ATaG program, coupled with the fact it uses an existing language (Java), means that no special training is needed to start developing and deploying applications in ATaG. Everything you need to know is clearly set forth in this book.

Die wichtigsten rundfunkpolitischen Problemstellungen bestimmen sich im Spannungsfeld zwischen Parteipolitisierung und Tendenzen zur Kommerzialisierung dieses Massenkommunikationsmittels. Der Rund funk ist nicht nur - mit den Worten des Bundesverfassungsgericht- ein Medium, sondern auch ein Faktor der offentlichen Meinungs bildung. Deshalb kann es nicht darum gehen, die Parteien aus den Kontrollgremien des Rundfunks herauszuhalten; denn die Parteien haben den grundgesetzlichen Auftrag, an der politischen Willensbil dung des Volkes mitzuwirken. Aber die Parteien sind nicht die ein zigen "gesellschaftlich relevanten Krafte," die mit ihren Ansichten und Interessen im Rundfunkprogramm reprasentiert sein wollen und dadurch die offentliche Meinungsbildung rundfunkpublizistisch zu beeinflussen suchen. Den zunehmenden Privatisierungsbestrebungen und den Kommerzialisierungstendenzen wird der offentlich-recht liche Rundfunk in der Bundesrepublik - zugunsten der publizisti schen Meinungsvielfalt - nur standhalten konnen, wenn die Pro grammverantwortlichen und -mitarbeiter nicht dem allfalligen Druck politischer Interessengruppen nachgeben; verpflichtend ist fur sie nicht dieser oder jener Parteistandpunkt oder sonstige Interessen standpunkt einer bestimmten gesellschaftlich relevanten Gruppe, sondern allein der demokratisch-pluralistische Programm auf trag. In diesem Sinne ist die folgende Aussage von Reinhard Appel uber zeugend und auch uber die angesprochenen politischen Parteien hinaus von allgemeiner Gultigkeit: "Gewiss vertreten die Parteien einen gros sen Teil der Interessen ihrer Wahler. Aber sie reprasentieren doch nicht automatisch das Gemeinwohl. Sie verfolgen haufig, auch durch den Machtkampf bedingt, Interessen, die nicht unbedingt mit denen ihrer Wahler identisch sind. Manches Wahlkampf thema wurde nur deshalb aufgegriffen, weil man meinte, damit besonders wirksam Wahlerstimmen gewinnen zu konnen."

Learn all you need to know about wireless sensor networks

"Protocols and Architectures for Wireless Sensor Networks" provides a thorough description of the nuts and bolts of wireless sensor networks.

The authors give an overview of the state-of-the-art, putting all the individual solutions into perspective with one and other. Numerous practical examples, case studies and illustrations demonstrate the theory, techniques and results presented. The clear chapter structure, listing learning objectives, outline and summarizing key points, help guide the reader expertly through the material.

"Protocols and Architectures for Wireless Sensor Networks" Covers architecture and communications protocols in detail with practical implementation examples and case studies.Provides an understanding of mutual relationships and dependencies between different protocols and architectural decisions.Offers an in-depth investigation of relevant protocol mechanisms. Shows which protocols are suitable for which tasks within a wireless sensor network and in which circumstances they perform efficiently. Features an extensive website with the bibliography, PowerPoint slides, additional exercises and worked solutions.

This text provides academic researchers, graduate students in computer science, computer engineering, and electrical engineering, as well as practitioners in industry and research engineers with an understanding of the specific design challenges and solutions for wireless sensor networks.

Check out www.wiley.com/go/wsn for accompanying course material

"I am deeply impressed by the book of Karl & Willig. It is by far the most complete source for wireless sensor networks...The book covers almost all topics related to sensor networks, gives an amazing number of references, and, thus, is the perfect source for students, teachers, and researchers. Throughout the book the reader will find high quality text, figures, formulas, comparisons etc. - all you need for a sound basis to start sensor network research."

"Prof. Jochen Schiller, Institute of Computer Science, Freie Universitat Berlin"

Location-aware computing is a technology that uses the location (provides granular geographical information) of people and objects to derive contextual information. Today, one can obtain this location information free of cost through smartphones. Smartphones with location enabled applications have revolutionized the ways in which people perform their activities and get benefits from the automated services. It especially helps to get details of services in less time; wherever the user may be and whenever they want. The need for smartphones and location enabled applications has been growing year after year. Nowadays no one can leave without their phone; the phone seemingly becomes one of the parts of the human body. The individual can now be predicted by their phone and the identity of the phone becomes the person's identity. Though there is a tremendous need for location-enabled applications with smartphones, the debate on privacy and security related to location data has also been growing. Privacy and Security Challenges in Location Aware Computing provides the latest research on privacy enhanced location-based applications development and exposes the necessity of location privacy preservation, as well as issues and challenges related to protecting the location data. It also suggests solutions for enhancing the protection of location privacy and therefore users' privacy as well. The chapters highlight important topic areas such as video surveillance in human tracking/detection, geographical information system design, cyberspace attacks and warfare, and location aware security systems. The culmination of these topics creates a book that is ideal for security analysts, mobile application developers, practitioners, academicians, students, and researchers.

Modern systems and means of aeronautical radio communication are continuously being improved, but without the development of new technical means, the aviation industry suffers. The development of more innovative plans of aviation technology are needed in order to respond to the ever-increasing standard of aviation technology. Recent Advances in Satellite Aeronautical Communications Modeling is devoted to the modeling of satellite communication channels for aircraft and RPAS/UAV using the Matlab Simulink and NetCracker software. Featuring research on topics such as channel coding, microwave emitters, and array modeling, this book is ideally designed for scientists, engineers, air traffic controllers, managers, researchers, and academicians.