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"Broadband communication systems"
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Broadband networks in the Middle East and North Africa
by
Rogy, Michel
,
Rossotto, Carlo Maria
,
Gelvanovska, Natalija
in
Africa, North
,
backbone
,
broadband affordability
2014,2015
Just as the steam engine was the driving force behind the Industrial Revolution, broadband Internet is today seen as critical to the transition to knowledge-intensive economies across the world. As a general purpose technology, broadband Internet is considered as a fundamental driver of economic growth and social development, releasing the innovative potential and energy of previously disenfranchised members of the population. Many of the countries in the Middle East and North Africa region (MENA) now recognize that broadband Internet is crucial to their efforts to reduce poverty and create job opportunities, especially for their young populations and for women. The report re-emphasizes the important contribution that broadband Internet can make and assesses the status of existing infrastructure in at least 18 MENA countries. While there is significant potential across the region, however, the take-up of broadband Internet has been slow, and the price of broadband service is high in many countries. In large part, this stems from market structures that, too often, reflect the past when telecommunications were treated as a monopoly utility service. The report finds that there are gaps in infrastructure regionally with no connectivity between neighboring countries in some cases. Similarly, there are gaps within countries exacerbating the (digital) divide between rural and urban areas. The report examines the regulatory and market bottlenecks that are hampering the growth of the Internet in these and other MENA countries: the five North African countries (Algeria, Egypt, Morocco, Libya, Tunisia); the six Mashreq countries (the Islamic Republic of Iran, Iraq, Jordan, Lebanon, Syria, and the West Bank and Gaza economy); the six Gulf countries (Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, the United Arab Emirates); and Djibouti and the Republic of Yemen. The report provides policy and regulatory options for increasing effective use of existing fixed and mobile infrastructure as well as alternative infrastructure networks such as power grids and railroads. It explains the benefits of effective cross-sector infrastructure construction frameworks, highlighting the need to adjust market structures to foster competitive behavior among service providers to bring down prices and stimulate the demand for value-added services to drive future broadband development.
Broadband communications via high-altitude platforms
by
Mohorcic, Mihael
,
Grace, David
in
Aeronautics
,
Artificial satellites in telecommunication
,
Broadband communication systems
2010,2011
In this book, the authors provide a thorough overview of the state of the art in high-altitude platform (HAP) enabling technologies, addressing recent research activities and results. In addition, the book explores the enabling technologies and economics of HAP-based communication systems, including issues related to aeronautics, applications and business modelling, as well as future trends. Furthermore, the authors discuss broadband wireless communications from HAPs, the operating environment, and advanced communication techniques for efficient radio link resource management. Similarly, the authors complement radio frequency (RF) dominated issues with free space optical communications in the HAP operating environment, focusing on physical and networking layers. Finally, the book addresses the multiple HAP constellations planning procedure and discusses the networking implications of using multiple HAPs. Key Features: Focuses on placing HAPs in the perspective of current and future broadband wireless communication systems Offers an overview of the constraints affecting HAP-based broadband communications Provides a thorough overview and state of the art of the HAP enabling technologies, including recent research activities and future directions Examines the operating environment, advanced communication techniques for efficient radio link resource management, and suitable antennas Addresses multiplatform constellations, presenting the multiple HAP constellation planning procedure and discussing the networking implications of using multiple HAPs This book will be of valuable interest to researchers and practitioners in the areas of wireless communications, satellite communications and high-altitude platforms, and development engineers involved in the design and development of HAP systems.
5G for the connected world
\"After the considerable success of LTE, why do we need a new system with a new radio and a new core? First, 5G will boost some of the LTE key performance indicators to a new horizon: capacity, latency, energy efficiency, spectral efficiency and reliability. We will describe the relevant radio and core features to enable optimizations (5G to be 10, 100 or 1000 times better than LTE) in these areas in respective chapters of the book\"-- Provided by publisher.
5G for the Connected World
by
Devaki Chandramouli
,
Juho Pirskanen
,
Rainer Liebhart
in
Broadband communication systems
,
Communication, Networking and Broadcast Technologies
,
Components, Circuits, Devices and Systems
2019
<p><b>COMPREHENSIVE HANDBOOK DEMYSTIFIES 5G FOR TECHNICAL AND BUSINESS PROFESSIONALS IN MOBILE TELECOMMUNICATION FIELDS</b> <p>Much is being said regarding the possibilities and capabilities of the emerging 5G technology, as the evolution towards 5G promises to transform entire industries and many aspects of our society. <i>5G for the Connected World</i> offers a comprehensive technical overview that telecommunication professionals need to understand and take advantage of these developments. <p>The book offers a wide-ranging coverage of the technical aspects of 5G (with special consideration of the 3GPP Release 15 content), how it enables new services and how it differs from LTE. This includes information on potential use cases, aspects of radio and core networks, spectrum considerations and the services primarily driving 5G development and deployment. <p>The text also looks at 5G in relation to the Internet of Things, machine to machine communication and technical enablers such as LTE-M, NB-IoT and EC-GSM. Additional chapters discuss new business models for telecommunication service providers and vertical industries as a result of introducing 5G, and strategies for staying ahead of the curve. Other topics include: <ul> <li>Key features of the new 5G radio such as descriptions of new waveforms, massive MIMO and beamforming technologies, as well as spectrum considerations for 5G radio regarding all possible bands</li> <li>Drivers, motivations and an overview of the new 5G system – especially RAN architecture and technology enablers (e.g. service-based architecture, compute-storage split and network exposure) for native cloud deployments</li> <li>Mobile edge computing, Non-3GPP access, Fixed-Mobile Convergence</li> <li>Detailed overview of mobility management, session management and Quality of Service frameworks</li> <li>5G security vision and architecture</li> <li>Ultra-low latency and high reliability use cases and enablers, challenges and requirements (e.g. remote control, industrial automation, public safety and V2X communication)</li> <li>An outline of the requirements and challenges imposed by a massive number of devices connected to cellular networks</li> </ul> <p>While some familiarity with the basics of 3GPP networks is helpful, <i>5G for the Connected World</i> is intended for a variety of readers. It will prove a useful guide for telecommunication professionals, standardization experts, network operators, application developers and business analysts (or students working in these fields) as well as infrastructure and device vendors looking to develop and integrate 5G into their products, and deploy 5G radio and core networks.
Behavioral Modeling and Predistortion of Wideband Wireless Transmitters
by
Hammi, Oualid
,
Ghannouchi, Fadhel M
,
Helaoui, Mohamed
in
Applied physics
,
Broadband communication systems
,
Electric distortion
2015
Covers theoretical and practical aspects related to the behavioral modelling and predistortion of wireless transmitters and power amplifiers. It includes simulation software that enables the users to apply the theory presented in the book. In the first section, the reader is given the general background of nonlinear dynamic systems along with their behavioral modelling from all its aspects. In the second part, a comprehensive compilation of behavioral models formulations and structures is provided including memory polynomial based models, box oriented models such as Hammerstein-based and Wiener-based models, and neural networks-based models. The book will be a valuable resource for design engineers, industrial engineers, applications engineers, postgraduate students, and researchers working on power amplifiers modelling, linearization, and design.
Design of ultra wideband power transfer networks
Combining analytic theory and modern computer-aided designtechniques this volume will enable you to understand and designpower transfer networks and amplifiers in next generation radiofrequency (RF) and microwave communication systems.