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Author: Martin Sims
Publisher: CRC Press
ISBN: 1040072321
Category : Computers
Languages : en
Pages : 180
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Book Description
Until the 1990s, almost all spectrum licenses were given away practically for free-even the first mobile licenses which laid the foundation for multi-billion dollar companies that dominate stock markets around the world. In the past fifteen years, there has been a concerted attempt to liberalise the sector and make it more open to market forces. Th
Author: Martin Sims
Publisher: CRC Press
ISBN: 1040072321
Category : Computers
Languages : en
Pages : 180
Get Book Here
Book Description
Until the 1990s, almost all spectrum licenses were given away practically for free-even the first mobile licenses which laid the foundation for multi-billion dollar companies that dominate stock markets around the world. In the past fifteen years, there has been a concerted attempt to liberalise the sector and make it more open to market forces. Th
Author: Martin Sims
Publisher: CRC Press
ISBN: 1000510336
Category : Computers
Languages : en
Pages : 161
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Book Description
What debates have caused spectrum policy to change course and which will determine its future direction? This book examines these issues through a series of chapters from a range of notable experts. The backdrop is a period of turbulent change in what was once a quiet backwater. The past quarter century has seen wireless connectivity go from nice-to-have luxury to the cornerstone of success as nations battle for leadership of the digital economy. The change has been reflected in the crucial role now played by market's mechanisms in a field once dominated by administrative decisions. Spectrum policy’s goals have moved far beyond the efficient use of the airwaves to include encouraging economic development, investment, innovation, sustainability and digital inclusivity. Are historic procedures still appropriate in the face of this multiplicity of demands? Are market mechanisms like auctions still the best way to deliver what has become essential infrastructure? Does the process of international coordination need to change? Is spectrum policy’s effectiveness limited by the power of global economic forces? Can it reduce rather than add to global warming? Where does 6G and AI fit in? Is public perception the new spectrum policy battle ground? These are all issues examined in The Debates Shaping Spectrum Policy.
Author: Martin Sims
Publisher: CRC Press
ISBN: 1498705030
Category : Computers
Languages : en
Pages : 284
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Book Description
Until the 1990s, almost all spectrum licenses were given away practically for free-even the first mobile licenses which laid the foundation for multi-billion dollar companies that dominate stock markets around the world. In the past fifteen years, there has been a concerted attempt to liberalise the sector and make it more open to market forces. Th
Author: John D. Matyjas
Publisher: CRC Press
ISBN: 1315353350
Category : Computers
Languages : en
Pages : 697
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Book Description
Spectrum Sharing in Wireless Networks: Fairness, Efficiency, and Security provides a broad overview of wireless network spectrum sharing in seven distinct sections: The first section examines the big picture and basic principles, explaining the concepts of spectrum sharing, hardware/software function requirements for efficient sharing, and future trends of sharing strategies. The second section contains more than 10 chapters that discuss differing approaches to efficient spectrum sharing. The authors introduce a new coexistence and sharing scheme for multi-hop networks, describe the space-time sharing concept, introduce LTE-U, and examine sharing in broadcast and unicast environments. They then talk about different cooperation strategies to achieve mutual benefits for primary users (PU) and secondary users (SU), discuss protocols in a spectrum sharing context, and provide different game theory models between PUs and SUs. The third section explains how to model the interactions of PUs and SUs, using an efficient calculation method to determine spectrum availability. Additionally, this section explains how to use scheduling models to achieve efficient SU traffic delivery. The subject of the fourth section is MIMO-oriented design. It focuses on how directional antennas and MIMO antennas greatly enhance wireless network performance. The authors include a few chapters on capacity/rate calculations as well as beamforming issues under MIMO antennas. Power control is covered in the fifth section which also describes the interference-aware power allocation schemes among cognitive radio users and the power control schemes in cognitive radios. The sixth section provides a comprehensive look at security issues, including different types of spectrum sharing attacks and threats as well as corresponding countermeasure schemes. The seventh and final section covers issues pertaining to military applications and examines how the military task protects its data flows when sharing the spectrum with civilian applications.
Author: Radhika Ranjan Roy
Publisher: CRC Press
ISBN: 1315359928
Category : Computers
Languages : en
Pages : 1729
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Book Description
Session Initiation Protocol (SIP), standardized by the Internet Engineering Task Force (IETF), has emulated the simplicity of the protocol architecture of hypertext transfer protocol (HTTP) and is being popularized for VoIP over the Internet because of the ease with which it can be meshed with web services. However, it is difficult to know exactly how many requests for comments (RFCs) have been published over the last two decades in regards to SIP or how those RFCs are interrelated. Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony solves that problem. It is the first book to put together all SIP-related RFCs, with their mandatory and optional texts, in a chronological and systematic way so that it can be used as a single super-SIP RFC with an almost one-to-one integrity from beginning to end, allowing you to see the big picture of SIP for the basic SIP functionalities. It is a book that network designers, software developers, product manufacturers, implementers, interoperability testers, professionals, professors, and researchers will find to be very useful. The text of each RFC from the IETF has been reviewed by all members of a given working group made up of world-renowned experts, and a rough consensus made on which parts of the drafts need to be mandatory and optional, including whether an RFC needs to be Standards Track, Informational, or Experimental. Texts, ABNF syntaxes, figures, tables, and references are included in their original form. All RFCs, along with their authors, are provided as references. The book is organized into twenty chapters based on the major functionalities, features, and capabilities of SIP.
Author: Gregory Taylor
Publisher: McGill-Queen's Press - MQUP
ISBN: 0228003121
Category : Political Science
Languages : en
Pages : 337
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Book Description
Our digital world is increasingly mobile. All mobile communication rests upon access to one invisible, essential element: the radio spectrum. In Frequencies Gregory Taylor and Catherine Middleton bring together diverse national perspectives to explore the current and future state of spectrum governance worldwide. Spectrum is a foundational component of our contemporary communication infrastructure. The stakes are massive: mobile network operators have invested billions of dollars via national spectrum auctions to claim exclusive use of prime spectrum bands. Despite this windfall for national governments, many people around the globe remain disconnected from mobile service, yet international policy comparisons that can help us understand these disparities and differences are rare. Frequencies offers illuminating case studies from around the world, including Finland, Mexico, New Zealand, India, and Canada, as well as forward-thinking approaches to our use of radio frequencies that encourage greater public benefit and technological advancement. The contributors to Frequencies represent a wide array of disciplinary backgrounds, united by the common goal of maximizing the value and access to the public good that is the radio spectrum. Spectrum policy affects everyone, whether while listening to the radio, making an emergency phone call, or scrolling through social media updates. Frequencies seeks to broaden the discussion about our management of this primary resource necessary for how the world shares information.
Author: Bonet Bagant, Montse (coord.)
Publisher: Editorial UOC
ISBN: 8491164979
Category : Technology & Engineering
Languages : en
Pages : 155
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Book Description
Author: Nathan Blaunstein
Publisher: CRC Press
ISBN: 1315350084
Category : Technology & Engineering
Languages : en
Pages : 351
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Book Description
The book introduces the basic foundations of high mathematics and vector algebra. Then, it explains the basic aspects of classical electrodynamics and electromagnetism. Based on such knowledge readers investigate various radio propagation problems related to guiding structures connecting electronic devices with antenna terminals placed at the different radar systems. It explains the role of antennas in process of transmission of radio signals between the terminals. Finally, it shows the relation between the main operational charactistics of each kind of radar and the corresponding knowledge obtained from the previous chapters.
Author: Mohamed Ali El-Moghazi
Publisher: Springer Nature
ISBN: 3030885712
Category : Science
Languages : en
Pages : 236
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Book Description
This book provides an in-depth introduction to the International Telecommunication Union (ITU) Radio Regulations (RR) and the policies that govern them. Established in 1906, these regulations define the allocation of different frequency bands to different radio services, the mandatory technical parameters to be observed by radio stations, especially transmitters, and the procedures for spectrum use coordination at the international level. The book analyzes the interactions between different national policies and the ITU RR, noting how these interactions influence spectrum policy on the national level, setting up a comparative framework within which to view these regulations and their effects. Beginning with an overview of the history of the origins ITU RR, the book takes a deep dive into the components of spectrum management including radio communication service allocation, wireless technology selection, radio usage rights, and spectrum rights assignment, placing each analysis within the context of the push and pull between national and international regulations. The book concludes with chapters discussing issues affecting the future of spectrum policy, including spectrum policy reform in developing countries, the WRC-19, and IMT-2020. Shedding light on the longest-running treaty documents in the history of modern telecommunications and arguing for reforms that allow it to address the needs of all nations, this book is useful to scholars and students of telecom policy, digital policy, ICT, governance, and development as well as telecom industry practitioners and regulators.
Author: Francis Lyall
Publisher: Routledge
ISBN: 1000553760
Category : Law
Languages : en
Pages : 204
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Book Description
The dogma of the sovereignty of the state, deriving from the Peace of Westphalia, underpins much of the modern-day international system. However, developments in recent technology have led this ideology to depart from reality. Viewing state sovereignty through the prism of public international law, the book will begin with an overview of the settlement of Westphalia, how it has influenced international documents ever since, and how the advantages of centralised decisions came to be perceived. By surveying the Law of the Sea, Maritime Law, Air and Aviation, Telecommunications, Postal Services, Space Law and Mensuration, the book demonstrates how, in each, the interplay between state sovereignty and developing technologies have caused significant legal change. Some changes, Lyall argues, such as international measures of time and geography, have been born out of convenience, facilitated by technology developed for the purpose. Other areas of change developed out of a desire to reconcile conflicts or harmonise necessary state regulation. The book analyses the reasons behind these changes and discusses the ongoing attempts to balance state equality, measures adopted by new institutions to secure comprehensive representation. It ends by looking to the future of state sovereignty in an increasingly globalised world. The book is of use to any student or scholar interested in policy making, international law and international affairs, both legal and scientific, as well as those looking at legal administrative issues and government officiation.
