Multimedia Over Cognitive Radio Networks
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Multimedia over Cognitive Radio Networks
Author | : Fei Hu,Sunil Kumar |
Publsiher | : CRC Press |
Total Pages | : 482 |
Release | : 2014-12-04 |
Genre | : Computers |
ISBN | : 9781482214871 |
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With nearly 7 billion mobile phone subscriptions worldwide, mobility and computing have become pervasive in our society and business. Moreover, new mobile multimedia communication services are challenging telecommunication operators. To support the significant increase in multimedia traffic-especially video-over wireless networks, new technological
Cognitive Radio Networks
Author | : Yan Zhang,Jun Zheng,Hsiao-Hwa Chen |
Publsiher | : CRC Press |
Total Pages | : 484 |
Release | : 2016-04-19 |
Genre | : Computers |
ISBN | : 1420077767 |
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While still in the early stages of research and development, cognitive radio is a highly promising communications paradigm with the ability to effectively address the spectrum insufficiency problem. Written by those pioneering the field, Cognitive Radio Networks: Architectures, Protocols, and Standards offers a complete view of cognitive radio-incl
Cognitive Radio Mobile Communications and Wireless Networks
Author | : Mubashir Husain Rehmani,Riadh Dhaou |
Publsiher | : Springer |
Total Pages | : 290 |
Release | : 2018-07-30 |
Genre | : Technology & Engineering |
ISBN | : 9783319910024 |
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This book provides an overview of the latest research and development of new technologies for cognitive radio, mobile communications, and wireless networks. The contributors discuss the research and requirement analysis and initial standardization work towards 5G cellular systems and the capacity problems it presents. They show how cognitive radio, with the capability to flexibly adapt its parameters, has been proposed as the enabling technology for unlicensed secondary users to dynamically access the licensed spectrum owned by legacy primary users on a negotiated or an opportunistic basis. They go on to show how cognitive radio is now perceived in a much broader paradigm that will contribute to solve the resource allocation problem that 5G requirements raise. The chapters represent hand-selected expanded papers from EAI sponsored and hosted conferences such as the 12th EAI International Conference on Mobile and Ubiquitous Systems, the 11th EAI International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness, the 10th International Conference on Cognitive Radio Oriented Wireless Networks, the 8th International Conference on Mobile Multimedia Communications, and the EAI International Conference on Software Defined Wireless Networks and Cognitive Technologies for IoT.
Dynamic Spectrum Access and Management in Cognitive Radio Networks
Author | : Ekram Hossain,Dusit Niyato,Zhu Han |
Publsiher | : Cambridge University Press |
Total Pages | : 504 |
Release | : 2009-06-18 |
Genre | : Computers |
ISBN | : 9780521898478 |
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An all-inclusive introduction to this revolutionary technology, presenting the key research issues and state-of-the-art design, analysis, and optimization techniques.
Video over Cognitive Radio Networks
Author | : Shiwen Mao |
Publsiher | : Springer Science & Business Media |
Total Pages | : 128 |
Release | : 2014-01-03 |
Genre | : Technology & Engineering |
ISBN | : 9781461449577 |
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This book focuses on the problem of video streaming over emerging cognitive radio (CR) networks. The book discusses the problems and techniques for scalable video streaming over cellular cognitive radio networks, ad hoc CR networks, cooperative CR networks, and femtocell CR networks. The authors formulate these problems and propose optimal algorithms to solve these problems. Also the book analyzes the proposed algorithms and validates the algorithms with simulations.
Cognitive Radio Mobile Ad Hoc Networks
Author | : F. Richard Yu |
Publsiher | : Springer Science & Business Media |
Total Pages | : 491 |
Release | : 2011-09-28 |
Genre | : Technology & Engineering |
ISBN | : 9781441961723 |
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Cognitive radios (CR) technology is capable of sensing its surrounding environment and adapting its internal states by making corresponding changes in certain operating parameters. CR is envisaged to solve the problems of the limited available spectrum and the inefficiency in the spectrum usage. CR has been considered in mobile ad hoc networks (MANETs), which enable wireless devices to dynamically establish networks without necessarily using a fixed infrastructure. The changing spectrum environment and the importance of protecting the transmission of the licensed users of the spectrum mainly differentiate classical MANETs from CR-MANETs. The cognitive capability and re-configurability of CR-MANETs have opened up several areas of research which have been explored extensively and continue to attract research and development. The book will describe CR-MANETs concepts, intrinsic properties and research challenges of CR-MANETs. Distributed spectrum management functionalities, such as spectrum sensing and sharing, will be presented. The design, optimization and performance evaluation of security issues and upper layers in CR-MANETs, such as transport and application layers, will be investigated.
Modeling and Analysis of Voice and Data in Cognitive Radio Networks
Author | : Subodha Gunawardena,Weihua Zhuang |
Publsiher | : Springer Science & Business Media |
Total Pages | : 98 |
Release | : 2014-03-14 |
Genre | : Computers |
ISBN | : 9783319046457 |
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This Springer Brief investigates the voice and elastic/interactive data service support over cognitive radio networks (CRNs), in terms of their delay requirements. The increased demand for wireless communication conflicts with the scarcity of the radio spectrum, but CRNS allow for more efficient use of the networks. The authors review packet level delay requirements of the voice service and session level delay requirements of the elastic/interactive data services, particularly constant-rate and on-off voice traffic capacities in CRNs with centralized and distributed network coordination. Some generic channel access schemes are considered as the coordination mechanism, and call admission control algorithms are developed for non-fully-connected CRNs. Other key topics include the advantages of supporting voice traffic flows with different delay requirements, the mean response time of the elastic data traffic over a centralized CRN, and effects of the traffic load at the base station and file length (service time requirement) distribution on the mean response time. The brief is designed for professionals and researchers working with wireless networks, cognitive radio, and communications. It is also a helpful reference for advanced-level students interested in efficient wireless communications.
Cognitive Radio Networks
Author | : Kwang-Cheng Chen,Ramjee Prasad |
Publsiher | : John Wiley & Sons |
Total Pages | : 372 |
Release | : 2009-03-30 |
Genre | : Technology & Engineering |
ISBN | : 0470742011 |
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Giving a basic overview of the technologies supporting cognitive radio this introductory-level text follows a logical approach, starting with the physical layer and concluding with applications and general issues. It provides a background to advances in the field of cognitive radios and a new exploration of how these radios can work together as a network. Cognitive Radio Networks starts with an introduction to the fundamentals of wireless communications, introducing technologies such as OFDM & MIMO. It moves onto cover software defined radio and explores and contrasts wireless, cooperative and cognitive networks and communications. Spectrum sensing, medium access control and network layer design are examined before the book concludes by covering the topics of trusted cognitive radio networks and spectrum management. Unique in providing a brief but clear tutorial and reference to cognitive radio networks this book is a single reference, written at the appropriate level for newcomers as well as providing an encompassing text for those with more knowledge of the subject. One of the first books to provide a systematic description of cognitive radio networks Provides pervasive background knowledge including both wireless communications and wireless networks Written by leading experts in the field Full network stack investigation