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Book Synopsis Third-generation and Wideband HF Radio Communications by : Eric E. Johnson
Download or read book Third-generation and Wideband HF Radio Communications written by Eric E. Johnson and published by Artech House. This book was released on 2013 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wideband HF. Book jacket.
This volume constitutes the refereed post-conference proceedings of the Fourth International Conference on Machine Learning and Intelligent Communications, MLICOM 2019, held in Nanjing, China, in August 2019. The 65 revised full papers were carefully selected from 114 submissions. The papers are organized thematically in machine learning, intelligent positioning and navigation, intelligent multimedia processing and security, wireless mobile network and security, cognitive radio and intelligent networking, IoT, intelligent satellite communications and networking, green communication and intelligent networking, ad-hoc and sensor networks, resource allocation in wireless and cloud networks, signal processing in wireless and optical communications, and intelligent cooperative communications and networking.
Book Synopsis Machine Learning and Intelligent Communications by : Xiangping Bryce Zhai
Download or read book Machine Learning and Intelligent Communications written by Xiangping Bryce Zhai and published by Springer Nature. This book was released on 2019-10-27 with total page 795 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume constitutes the refereed post-conference proceedings of the Fourth International Conference on Machine Learning and Intelligent Communications, MLICOM 2019, held in Nanjing, China, in August 2019. The 65 revised full papers were carefully selected from 114 submissions. The papers are organized thematically in machine learning, intelligent positioning and navigation, intelligent multimedia processing and security, wireless mobile network and security, cognitive radio and intelligent networking, IoT, intelligent satellite communications and networking, green communication and intelligent networking, ad-hoc and sensor networks, resource allocation in wireless and cloud networks, signal processing in wireless and optical communications, and intelligent cooperative communications and networking.
This comprehensive resource provides the latest information on digitization and reconstruction (D&R) of analog signals in digital radios. Readers learn how to conduct comprehensive analysis, concisely describe the major signal processing procedures carried out in the radios, and demonstrate the dependence of these procedures on the quality of D&R. The book presents and analyzes the most promising and theoretically sound ways to improve the characteristics of D&R circuits and illustrate the influence of these improvements on the capabilities of digital radios. The book is intended to bridge the gap that exists between theorists and practical engineers developing D&R techniques by introducing new signal transmission and reception methods that can effectively utilize the unique capabilities offered by novel digitization and reconstruction techniques.
Book Synopsis Signal Digitization and Reconstruction in Digital Radios by : Yefim Poberezhskiy
Download or read book Signal Digitization and Reconstruction in Digital Radios written by Yefim Poberezhskiy and published by Artech House. This book was released on 2018-12-31 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive resource provides the latest information on digitization and reconstruction (D&R) of analog signals in digital radios. Readers learn how to conduct comprehensive analysis, concisely describe the major signal processing procedures carried out in the radios, and demonstrate the dependence of these procedures on the quality of D&R. The book presents and analyzes the most promising and theoretically sound ways to improve the characteristics of D&R circuits and illustrate the influence of these improvements on the capabilities of digital radios. The book is intended to bridge the gap that exists between theorists and practical engineers developing D&R techniques by introducing new signal transmission and reception methods that can effectively utilize the unique capabilities offered by novel digitization and reconstruction techniques.
This book explores Radio Access Networks (RANs) within LMR systems, comprising base stations, mobile radios, and hand portable radios. These components facilitate communication among end users via a network of fixed base stations, antennas, and combining systems strategically placed across radio repeater sites throughout the coverage area. This resource also delves into the consequences of interference, highlighting the painstaking efforts required to diagnose and rectify interference issues through field testing and redesign. The central focus being on the design intricacies of base station antennas and combining systems at densely populated shared radio repeater sites. The book underscores how to identify potential sources of interference from co-located transmitters and receivers, effectively surveying sites to anticipate high-level interfering signals. This critical information forms the foundation for crafting base station antenna and combining systems that curtail interference, subsequently optimizing coverage and minimizing costs. Throughout its pages, the book lays out a detailed roadmap for designing LMR systems resilient to interference. By outlining essential principles and methodologies, the book guides practitioners in creating LMR networks that flawlessly align with end users' communication requirements. The resulting systems not only meet expectations but surpass them, offering the coverage area and communication quality demanded by public safety and utility organizations during critical operations. Ultimately, the book serves as an indispensable resource for engineers, designers, and professionals engaged in crafting LMR systems capable of delivering impeccable performance and reliability.
Book Synopsis Designing RF Combining Systems for Shared Radio Sites by : Ian Graham
Download or read book Designing RF Combining Systems for Shared Radio Sites written by Ian Graham and published by Artech House. This book was released on 2023-12-31 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores Radio Access Networks (RANs) within LMR systems, comprising base stations, mobile radios, and hand portable radios. These components facilitate communication among end users via a network of fixed base stations, antennas, and combining systems strategically placed across radio repeater sites throughout the coverage area. This resource also delves into the consequences of interference, highlighting the painstaking efforts required to diagnose and rectify interference issues through field testing and redesign. The central focus being on the design intricacies of base station antennas and combining systems at densely populated shared radio repeater sites. The book underscores how to identify potential sources of interference from co-located transmitters and receivers, effectively surveying sites to anticipate high-level interfering signals. This critical information forms the foundation for crafting base station antenna and combining systems that curtail interference, subsequently optimizing coverage and minimizing costs. Throughout its pages, the book lays out a detailed roadmap for designing LMR systems resilient to interference. By outlining essential principles and methodologies, the book guides practitioners in creating LMR networks that flawlessly align with end users' communication requirements. The resulting systems not only meet expectations but surpass them, offering the coverage area and communication quality demanded by public safety and utility organizations during critical operations. Ultimately, the book serves as an indispensable resource for engineers, designers, and professionals engaged in crafting LMR systems capable of delivering impeccable performance and reliability.
A comprehensive textbook that overviews common technologies utilized within the homeland security enterprise with an emphasis on contemporary homeland security mission areas and end-user applications. Designed for students entering or currently working in the safety, security, and emergency management disciplines in the public or private sectors, this textbook presents a broad array of homeland security technology types from the viewpoint of end-user applications and homeland security mission areas. The authors investigate various theories behind the use of technologies and assess the importance of technologies for achieving goals and objectives. The content includes not only technical capabilities but also a blend of sample applications of technologies using an all-hazards framework and use cases at all levels of practice, including both the public and private sectors. The authors provide an overview of preparedness applications; preventive and protective systems; and mitigation, response, and recovery technologies. Topics such as ethical and privacy concerns associated with implementing technologies and use of the Internet and social media receive special attention. In addition to readers directly involved in the security disciplines, this book will be useful for students in technical fields of study such as geographic information systems (GIS), computer science, or engineering who are seeking information on standards, theories, and foundations underlining homeland security technologies.
Book Synopsis Homeland Security Technologies for the 21st Century by : Ryan K. Baggett
Download or read book Homeland Security Technologies for the 21st Century written by Ryan K. Baggett and published by Bloomsbury Publishing USA. This book was released on 2017-04-17 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive textbook that overviews common technologies utilized within the homeland security enterprise with an emphasis on contemporary homeland security mission areas and end-user applications. Designed for students entering or currently working in the safety, security, and emergency management disciplines in the public or private sectors, this textbook presents a broad array of homeland security technology types from the viewpoint of end-user applications and homeland security mission areas. The authors investigate various theories behind the use of technologies and assess the importance of technologies for achieving goals and objectives. The content includes not only technical capabilities but also a blend of sample applications of technologies using an all-hazards framework and use cases at all levels of practice, including both the public and private sectors. The authors provide an overview of preparedness applications; preventive and protective systems; and mitigation, response, and recovery technologies. Topics such as ethical and privacy concerns associated with implementing technologies and use of the Internet and social media receive special attention. In addition to readers directly involved in the security disciplines, this book will be useful for students in technical fields of study such as geographic information systems (GIS), computer science, or engineering who are seeking information on standards, theories, and foundations underlining homeland security technologies.
Communications using the high frequency spectrum (2-30 MHz) have experienced a considerable resurgence. In recent years, powerful microcomputers and VLSI technology have greatly enhanced the prospects of overcoming many of the unique problems that formerly afflicted the HF systems More...designer. The aim of this book, therefore, is to provide a fi
Book Synopsis HF Communications by : Nicholas M Maslin
Download or read book HF Communications written by Nicholas M Maslin and published by CRC Press. This book was released on 2017-06-30 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Communications using the high frequency spectrum (2-30 MHz) have experienced a considerable resurgence. In recent years, powerful microcomputers and VLSI technology have greatly enhanced the prospects of overcoming many of the unique problems that formerly afflicted the HF systems More...designer. The aim of this book, therefore, is to provide a fi
This up-to-date, comprehensive reference and planner's guide presents an in-depth description of automated HF communications.
Book Synopsis Advanced High-frequency Radio Communications by : Eric E. Johnson
Download or read book Advanced High-frequency Radio Communications written by Eric E. Johnson and published by Artech House Publishers. This book was released on 1997 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date, comprehensive reference and planner's guide presents an in-depth description of automated HF communications.
Communications engineers, ionospheric scientists, engineers and scientists in DoD HF projects, and DoD managers will use this source to gain a working understanding of the basic theory involved in HF radiowave propagation and uses of HF technology today.
Book Synopsis HF Communications Systems and Technology by : John M. Goodman
Download or read book HF Communications Systems and Technology written by John M. Goodman and published by Springer. This book was released on 1992-05-28 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Communications engineers, ionospheric scientists, engineers and scientists in DoD HF projects, and DoD managers will use this source to gain a working understanding of the basic theory involved in HF radiowave propagation and uses of HF technology today.
In einem sogenannten Software-Radio werden die Modulations-Wellenformen nicht durch herkömmliche elektronische Schaltungen, sondern durch eine Software erzeugt. Die so generierten digitalen Signale werden durch einen Breitband-D/A-Wandler in das gewünschte analoge modulierte Signal überführt. Grundlagen und Anwendungen der Technologie erläutert der Autor dieses Bandes, gestützt auf jahrelange Erfahrungen als Seminarleiter. (11/00)
Book Synopsis Software Radio Architecture by : Joseph Mitola, III
Download or read book Software Radio Architecture written by Joseph Mitola, III and published by John Wiley & Sons. This book was released on 2004-04-07 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: In einem sogenannten Software-Radio werden die Modulations-Wellenformen nicht durch herkömmliche elektronische Schaltungen, sondern durch eine Software erzeugt. Die so generierten digitalen Signale werden durch einen Breitband-D/A-Wandler in das gewünschte analoge modulierte Signal überführt. Grundlagen und Anwendungen der Technologie erläutert der Autor dieses Bandes, gestützt auf jahrelange Erfahrungen als Seminarleiter. (11/00)
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.
Book Synopsis Ultra-Wideband Pulse-based Radio by : Wim Vereecken
Download or read book Ultra-Wideband Pulse-based Radio written by Wim Vereecken and published by Springer Science & Business Media. This book was released on 2009-04-22 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.