Wireless Radio
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Wireless Radio
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Author : Lewis Coe
language : en
Publisher: McFarland
Release Date : 2015-07-25
Wireless Radio written by Lewis Coe and has been published by McFarland this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-25 with Performing Arts categories.
In 1873 Scottish physicist James Clerk Maxwell first advanced the idea that there might be electromagnetic waves that were similar to light waves, a startling concept to the scientists of his day. About 13 years later, German physicist Heinrich Hertz demonstrated in his laboratory that electromagnetic radiation did indeed exist. But it was not until after Hertz's death that a young Italian named Guglielmo Marconi got the idea for a practical communications system based on Hertz's work. Marconi was surprised and disappointed that the Italian government was not interested in his newly discovered wireless communications system, and thus he took his equipment to England. From that point on, the wireless became identified with Britain. From these beginnings, wireless radio became the basis of a revolution that has resulted in the satellite communications of today. This history first looks at Marconi's invention and then explores its many applications, including marine radio, cellular telephones, police and military uses, television and radar. Radio collecting is also discussed, and brief biographies are provided for the major figures in the development and use of the wireless.
The Race For Wireless
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Author : Gregory Malanowski
language : en
Publisher: AuthorHouse
Release Date : 2011
The Race For Wireless written by Gregory Malanowski and has been published by AuthorHouse this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Education categories.
The book is not only a history of development of wireless communication, or the radio, as it was later named. It also presents portraits of fascinating visionaries, experimenters and scientists and the stories of their successes and failures. The history begins as a race between inventors, but later becames a race chiefly between corporations. Even today, there are a great number of contradictory opinions and common beliefs regarding the fatherhood of the wireless. At the end of the 19th and the beginning of the 20th centuries, the exchange of information was slow and unreliable. Many talented individuals worked concurrently in different parts of the world, trying to develop the same wireless apparatus and not knowing that they already had competitors. Sometimes, inflated egos undermined their success. Some of the inventors lacked integrity. Legal battles ensued. So, who was the first at the finish line? To determine who was the winner of the race for wireless, or who can be named the "father of the wireless", substantial amounts of historical and political background as well as a thorough analysis of inventions are included in this book. The story is based on published memoirs and papers, encyclopedias, and countless historical and technical materials in the public domain. In many cases it was necessary to filter out the emotional biases (of traditional or national origin) of the source material and to seek the correct chronology of discoveries. The author uses published patents - their dates of issue, technical claims and drawings - as the ultimate source of judgment. In the appendix, "The Vacuum Tube Sound", the author compares the quality of sound amplified by a vacuum tube amplifier with the quality of sound amplified by modern semiconductor amplifiers. What are the differences, if any? The answer may surprise you.
Chronological Developments Of Wireless Radio Systems Before World War Ii
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Author : Vinayak Laxman Patil
language : en
Publisher: Springer Nature
Release Date : 2021-02-15
Chronological Developments Of Wireless Radio Systems Before World War Ii written by Vinayak Laxman Patil and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-15 with Technology & Engineering categories.
This comprehensive and authoritative volume traces the history of research leading to the development of the wireless radio systems. It discusses the methods adopted by a large number of inventors and the results they obtained to provide perspective on how historical methods and events can be a source of inspiration for future research. This book will be of interest to researchers and students in telecommunications engineering as well as to teachers of history of science and technology.
Wireless Radio Frequency Standards And System Design Advanced Techniques
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Author : Cornetta, Gianluca
language : en
Publisher: IGI Global
Release Date : 2012-01-31
Wireless Radio Frequency Standards And System Design Advanced Techniques written by Cornetta, Gianluca and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-31 with Computers categories.
Radio-frequency (RF) integrated circuits in CMOS technology are gaining increasing popularity in the commercial world, and CMOS technology has become the dominant technology for applications such as GPS receivers, GSM cellular transceivers, wireless LAN, and wireless short-range personal area networks based on IEEE 802.15.1 (Bluetooth) or IEEE 802.15.4 (ZigBee) standards. Furthermore, the increasing interest in wireless technologies and the widespread of wireless communications has prompted an ever increasing demand for radio frequency transceivers. Wireless Radio-Frequency Standards and System Design: Advanced Techniques provides perspectives on radio-frequency circuit and systems design, covering recent topics and developments in the RF area. Exploring topics such as LNA linearization, behavioral modeling and co-simulation of analog and mixed-signal complex blocks for RF applications, integrated passive devices for RF-ICs and baseband design techniques and wireless standards, this is a comprehensive reference for students as well as practicing professionals.
Cognitive Radio Software Defined Radio And Adaptive Wireless Systems
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Author : Hüseyin Arslan
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-08-17
Cognitive Radio Software Defined Radio And Adaptive Wireless Systems written by Hüseyin Arslan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-17 with Technology & Engineering categories.
Today’s wireless services have come a long way since the roll out of the conventional voice-centric cellular systems. The demand for wireless access in voice and high rate data multi-media applications has been increasing. New generation wireless communication systems are aimed at accommodating this demand through better resource management and improved transmission technologies. This book discusses the cognitive radio, software defined radio, and adaptive radio concepts from several perspectives.
Radio Propagation For Modern Wireless Systems
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Author : Henry L. Bertoni
language : en
Publisher: Pearson Education
Release Date : 1999-12-28
Radio Propagation For Modern Wireless Systems written by Henry L. Bertoni and has been published by Pearson Education this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-12-28 with Technology & Engineering categories.
To build wireless systems that deliver maximum performance and reliability, engineers need a detailed understanding of radio propagation. Drawing on over 15 years of experience, leading wireless communications researcher Henry Bertoni presents the most complete discussion of techniques for predicting radio propagation ever published. From its insightful introduction on spectrum reuse to its state-of-the-art real-world models for buildings, terrain, and foliage, Radio Propagation for Modern Wireless Systems delivers invaluable information for every wireless system designer. Coverage provides: A door to the understanding of radio wave propagation for the wireless channel. In-depth study of the effects on path loss of buildings, terrain, and foliage. A unified view of key propagation effects in narrowband and wideband systems, including spatial variation, angle of arrival, and delay spread. Readable account of diffraction at building corners, with worked out examples. Never-before-published coverage of mobile-to-mobile path loss in cities. Effective new ray-based models for site-specific predictions and simulation of channel statistics. Simulations of fast fading and shadow loss. From start to finish, Radio Propagation for Modern Wireless Systems presents sophisticated models–and compares their results with actual field measurements. With thorough coverage and extensive examples from both narrowband and wideband systems, it can help any wireless designer deliver more powerful, cost-effective services.
Ultra Wideband Pulse Based Radio
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Author : Wim Vereecken
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-04-22
Ultra Wideband Pulse Based Radio written by Wim Vereecken and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-04-22 with Technology & Engineering categories.
Today’s booming expanse of personal wireless radio communications is a rich source of new challenges for the designer of the underlying enabling te- nologies. Personal communication networks are designed from a fundam- tally different perspective than broadcast service networks, such as radio and television. While the focus of the latter is on reliability and user comfort, the emphasis of personal communication devices is on throughput and mobility. However, because the wireless channel is a shared transmission medium with only very limited resources, a trade-off has to be made between mobility and the number of simultaneous users in a con?ned geographical area. Accord- 1 ing to Shannon’s theorem on channel capacity, the overall data throughput of a communication channel bene?ts from either a linear increase of the tra- mission bandwidth, or an (equivalent) exponential increase in signal quality. Consequently, it is more bene?cial to think in terms of channel bandwidth than it is to pursue a high transmission power. All the above elements are embodied in the concept of spatial ef?ciency. By describing the throughput of a system 2 in terms of bits/s/Hz/m , spatial ef?ciency takes into account that the use of a low transmission power reduces the operational range of a radio transmission, and as such enables a higher reuse rate of the same frequency spectrum.
Wireless Lan Radios
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Author : Arya Behzad
language : en
Publisher: John Wiley & Sons
Release Date : 2007-12-14
Wireless Lan Radios written by Arya Behzad and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-14 with Technology & Engineering categories.
Wireless LAN Radios presents a sophisticated overview of the subject, covering theory while also emphasizing the practical aspects of this promising technology. Coverage includes 802.11 flavors and system requirements; receiver and transmitter radio architectures; analog impairments and issues; key radio building blocks; calibration techniques; case studies; and a brief discussion of 802.11n. It offers a meaningful presentation of real-world issues facing designers, engineers, theorists, and researchers working in this industry.
Radio Over Fiber For Wireless Communications
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Author : Xavier N. Fernando
language : en
Publisher: John Wiley & Sons
Release Date : 2014-06-16
Radio Over Fiber For Wireless Communications written by Xavier N. Fernando and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-16 with Technology & Engineering categories.
A comprehensive evaluation of Fi-Wi, enabling readers to design links using channel estimation and equalization algorithms This book provides a detailed study of radio over fiber (ROF) based wireless communication systems, otherwise called fiber wireless (Fi-Wi) systems. This is an emerging hot topic where the abundant bandwidth of optical fiber is directly combined with the flexibility and mobility of wireless networks to provide broadband connectivity. Its application is increasing because of the growing demand for broadband wireless services. In such a system the transmission of the radio signals over a fiber is an important task. This book provides substantial material on the radio over fiber part of the complete fiber-wireless system, including new research results on the compensation methods. The early chapters provide fundamental knowledge required for a non-expert engineering professional as well as senior/graduate level students to learn this topic from scratch. The latter part of the book covers advanced topics useful for researchers and senior students. Therefore, this book provides a comprehensive understanding of the system for readers who will gain enough knowledge to design Fi-Wi links of their own by learning how to develop Fi-Wi channel estimation and equalization algorithms. This concept is completely novel in current literature and has been patented by the author. Readers are expected to have a basic understanding of fiber optics and wireless communications to easily follow the book and to appreciate the concepts. Basics of the Fi-Wi system and signal processing approaches are clearly explained. It covers a multidisciplinary topic and acts as a bridge between optical and wireless communication domains. In the increasingly demanding telecommunications profession, engineers are expected to have knowledge in both optical and wireless communications and expected design combined/hybrid systems. Hence, the book is written in such a way that both optical and wireless professionals will be able to easily understand and perceive the concepts. follows a logical process from basic principles through to advanced topics, providing a wide range of interest for researchers, practicing engineers, students, and those required to build such networks explains detailed system design concepts and the limitations and advantages in each configuration, appealing to design engineers, and largely avoiding system specifics demonstrates the author’s exclusive patent, showing how to develop baseband signal processing algorithms for Fi-Wi systems, which is a key requirement for the successful deployment of Fi-Wi systems contains tables, numerical examples and case studies, facilitating a good quantitative understanding of the topic
Practical Radio Resource Management In Wireless Systems
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Author : Sofoklis A. Kyriazakos
language : en
Publisher: Artech House
Release Date : 2004
Practical Radio Resource Management In Wireless Systems written by Sofoklis A. Kyriazakos and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Technology & Engineering categories.
Despite frustrating customers and loss of revenue for telecommunications providers, cellular network congestion has remained a problem for which few solutions have been found. Covering GSM, GPRS, UMTS and beyond 3G systems, this practical book breaks new ground by providing you with proven techniques for decreasing blocking and dropped call rate due to network congestion. Using real measurements, this book clearly shows you that the maximum traffic that can be accommodated in a wireless network is not a constant value and varies significantly.