The Foundations Of The Digital Wireless World
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| Author | : Andrew J. Viterbi |
| Publisher | : World Scientific |
| Total Pages | : 189 |
| Release | : 2010 |
| Genre | : Computers |
| ISBN | : 9814287512 |
Professor Andrew J Viterbi has been extremely influential in the communications field via his invention of the Viterbi Algorithm, and his championing of CDMA technology developed by his company Qualcomm Inc. This book presents a selection of papers personally selected by him to mark his key technical contributions and his thoughts on CDMA technology as it evolved. Sample Chapter(s). Chapter 1: The Foundations of the Digital Wireless World (3,852 KB). Contents: Phase-Locked Loop Dynamics in the Presence of Noise by Fokker-Planck Techniques; Nonlinear Estimation of PSK-Modulated Carrier Phase with Application to Burst Digital Transmission; Error Bounds for Convolutional Codes and an Asymptotically Optimum Decoding Algorithm; Orthogonal Tree Codes for Communication in the Presence of White Gaussian Noise; Convolutional Codes and Their Performance in Communication Systems; Trellis Encoding of Memoryless Discrete-Time Sources with a Fidelity Criterion; A Pragmatic Approach to Trellis-Coded Modulation; A Personal History of the Viterbi Algorithm; Spread Spectrum Communications: Myths and Realities; Spread Spectrum and Satellites: A Symbiosis; Very Low Rate Convolutional Codes for Maximum Theoretical Performance of Spread-Spectrum Multiple-Access Channels; Four Laws of Nature and Society: The Governing Principles of Digital Wireless Communication Networks; Erlang Capacity of a Power Controlled CDMA System; Performance of Power-Controlled Wideband Terrestrial Digital Communication; CDMA/HDR: A Bandwidth-Efficient High-Speed Wireless Data Service for Nomadic Users; Shannon Capacity Limits of Wireless Networks. Readership: Professors, undergraduate and graduate students in engineering. Professionals in the telecommunications and computer science industry.
| Author | : Michael D. Fayer |
| Publisher | : World Scientific |
| Total Pages | : 383 |
| Release | : 2011 |
| Genre | : Science |
| ISBN | : 9814355623 |
This unique volume presents a comprehensive but accessible introduction to the field of ultrafast two-dimension infrared (2D IR) vibrational echo spectroscopy based on the pioneering work of Professor Michael D Fayer, Department of Chemistry, Stanford University, USA. It contains in one place a qualitative introduction to the field of 2D IR spectroscopy and a comprehensive set of scientific papers that underlie the qualitative discussion. The introductory material contains several detailed illustrations, and is based on the Centenary Lecture at the Indian Institute of Science given by Professor Fayer July 16, 2008 as part of the celebration of the 100th anniversary of the founding of IIS in Bangalore, India. The second part of the volume contains reprints of Fayer's relevant papers. The compilation will be very useful because it presents the historical background, motivation, methodology, and experimental results at a level that is accessible to the non-expert. The reprints of the scientific papers, from review articles to detailed theoretical papers, provide rigorous supporting material so that the reader can delve as deeply as desired into the subject.
| Author | : Nicholas D. Spencer |
| Publisher | : World Scientific |
| Total Pages | : 690 |
| Release | : 2011 |
| Genre | : Technology & Engineering |
| ISBN | : 9814289426 |
The focus of the book is the modification of surfaces to tailor them for a specific purpose. Using this method of surface modification, materials chosen for their bulk properties (tensile strength, temperature stability, density, price can be optimized for any particular application, which can lead to improved hardness, biological inertness or activity, corrosion resistance, low or high friction or adhesion, water repellency or wettability, or catalytic activity. The works of the author — many of his crucial papers are included — touches upon these surface properties and spans fields including catalysis, analytical surface science, self-assembled monolayers, tribology, biomaterials, superhydrophobicity and polymer coatings.
| Author | : Paul E. Ceruzzi |
| Publisher | : MIT Press |
| Total Pages | : 233 |
| Release | : 2018-11-06 |
| Genre | : Technology & Engineering |
| ISBN | : 0262535955 |
A concise history of GPS, from its military origins to its commercial applications and ubiquity in everyday life. GPS is ubiquitous in everyday life. GPS mapping is standard equipment in many new cars and geolocation services are embedded in smart phones. GPS makes Uber and Lyft possible; driverless cars won't be able to drive without it. In this volume in the MIT Press Essential Knowledge series, Paul Ceruzzi offers a concise history of GPS, explaining how a once-obscure space technology became an invisible piece of our infrastructure, as essential to modern life as electric power or clean water. GPS relays precise time and positioning information from orbiting satellites to receivers on the ground, at sea, and in the air. It operates worldwide, and its basic signals are free, although private companies can commodify the data provided. Ceruzzi recounts the origins of GPS and its predecessor technologies, including early aircraft navigation systems and satellites. He describes the invention of GPS as a space technology in the post-Apollo, pre-Space Shuttle years and its first military and commercial uses. Ceruzzi explains how the convergence of three major technological developments—the microprocessor, the Internet, and cellular telephony—enabled the development and application of GPS technology. Recognizing the importance of satellite positioning systems in a shifting geopolitical landscape—and perhaps doubting U.S. assurances of perpetual GPS availability—other countries are now building or have already developed their own systems, and Ceruzzi reports on these efforts in the European Union, Russia, India, China, and Japan.
| Author | : Richard Rhodes |
| Publisher | : Vintage |
| Total Pages | : 298 |
| Release | : 2012-08-07 |
| Genre | : Biography & Autobiography |
| ISBN | : 0307742954 |
Pulitzer Prize-winning author Richard Rhodes delivers a remarkable story of science history: how a ravishing film star and an avant-garde composer invented spread-spectrum radio, the technology that made wireless phones, GPS systems, and many other devices possible. Beginning at a Hollywood dinner table, Hedy's Folly tells a wild story of innovation that culminates in U.S. patent number 2,292,387 for a "secret communication system." Along the way Rhodes weaves together Hollywood’s golden era, the history of Vienna, 1920s Paris, weapons design, music, a tutorial on patent law and a brief treatise on transmission technology. Narrated with the rigor and charisma we've come to expect of Rhodes, it is a remarkable narrative adventure about spread-spectrum radio's genesis and unlikely amateur inventors collaborating to change the world.
| Author | : Simon J. Potter |
| Publisher | : Oxford University Press |
| Total Pages | : 308 |
| Release | : 2022-09-15 |
| Genre | : |
| ISBN | : 019286498X |
The Wireless World sets out a new research agenda for the history of international broadcasting, and for radio history more generally. It examines global and transnational histories of long-distance wireless broadcasting, combining perspectives from international history, media and cultural history, the history of technology, and sound studies. It is a co-written book, the result of more than five years of collaboration. Bringing together their knowledge of a wide range of different countries, languages, and archives, the co-authors show how broadcasters and states deployed international broadcasting as a tool of international communication and persuasion. They also demonstrate that by paying more attention to audiences, programmes, and soundscapes, historians of international broadcasting can make important contributions to wider debates in social and cultural history. Exploring the idea of a 'wireless world', a globe connected, both in imagination and reality, by radio, The Wireless World sheds new light on the transnational connections created by international broadcasting. Bringing together all periods of international broadcasting within a single analytical frame, including the pioneering days of wireless, the Second World War, the Cold War, and the decades since the fall of the Berlin Wall, the study reveals key continuities and transformations. It looks at how wireless was shaped by internationalist ideas about the use of broadcasting to promote world peace and understanding, at how empires used broadcasting to perpetuate colonialism, and at how anti-colonial movements harnessed radio as a weapon of decolonization.
| Author | : Gabriella Pasi |
| Publisher | : Springer |
| Total Pages | : 852 |
| Release | : 2018-03-20 |
| Genre | : Computers |
| ISBN | : 3319769413 |
This book constitutes the refereed proceedings of the 40th European Conference on IR Research, ECIR 2018, held in Grenoble, France, in March 2018. The 39 full papers and 39 short papers presented together with 6 demos, 5 workshops and 3 tutorials, were carefully reviewed and selected from 303 submissions. Accepted papers cover the state of the art in information retrieval including topics such as: topic modeling, deep learning, evaluation, user behavior, document representation, recommendation systems, retrieval methods, learning and classication, and micro-blogs.
| Author | : Rahim Tafazolli |
| Publisher | : John Wiley & Sons |
| Total Pages | : 520 |
| Release | : 2006-05-01 |
| Genre | : Technology & Engineering |
| ISBN | : 0470030445 |
This fully updated second volume of the highly successful WWRF Book of Visions is a unique and timely book, presenting up-to-the-minute ideas and trends in mobile communications. This is a comprehensive single point of reference, focusing on the specifications and requirements of 4G and identifying potential business models, the research areas and required spectrum and enabling technologies. Comprising material from White Papers edited within the working expert groups as well as those from the Vision Committee of WWRF, a top-down approach has been adopted starting from perceived users requirements and their expectations in the Future Wireless World.
| Author | : Isaac Porche |
| Publisher | : Rand Corporation |
| Total Pages | : 177 |
| Release | : 2013 |
| Genre | : Computers |
| ISBN | : 0833078860 |
"In the U.S. Army as elsewhere, transmission of digitized packets on Internet-protocol and space-based networks is rapidly supplanting the use of old technology (e.g., dedicated analog channels) when it comes to information sharing and media broadcasting. As the Army moves forward with these changes, it will be important to identify the implications and potential boundaries of cyberspace operations. An examination of network operations, information operations, and the more focused areas of electronic warfare, signals intelligence, electromagnetic spectrum operations, public affairs, and psychological operations in the U.S. military found significant overlap that could inform the development of future Army doctrine in these areas. In clarifying the prevailing boundaries between these areas of interest, it is possible to predict the progression of these boundaries in the near future. The investigation also entailed developing new definitions that better capture this overlap for such concepts as information warfare. This is important because the Army is now studying ways to apply its cyber power and is reconsidering doctrinally defined areas that are integral to operations in cyberspace. It will also be critical for the Army to approach information operations with a plan to organize and, if possible, consolidate its operations in two realms: the psychological, which is focused on message content and people, and the technological, which is focused on content delivery and machines."--Page 4 of cover.
| Author | : M. G. Scroggie |
| Publisher | : Elsevier |
| Total Pages | : 570 |
| Release | : 2013-10-22 |
| Genre | : Technology & Engineering |
| ISBN | : 1483105571 |
Foundations of Wireless and Electronics, 10th Edition covers the cathode-ray and microwave tubes; modern pulse methods; f.m. detectors; basic processes of transmission; and reception, computers, and non-sinusoidal signal amplification. The book starts by giving a general overview of a complete electronic system, electricity and circuits, capacitance, and inductance. The text also discusses alternating currents (a.c.), including the frequency and phase of a.c.; the capacitance and inductance in a.c. circuits; and the capacitance and inductance in a series. Diodes, triode, transistor equivalent circuits, and a suitable working point are also considered. The book describes oscillation, transmission lines, radiation and antennas, and audio-frequency amplification. The super heterodyne principle, radio- and intermediate-frequency amplification, electronic waveform generators, and switches are also encompassed. The text will be useful to electronics engineers, electricians, and computer engineers.
