Large Scale Cognitive Wireless Networks
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| Author | : Liang Song |
| Publisher | : LAP Lambert Academic Publishing |
| Total Pages | : 208 |
| Release | : 2009-10 |
| Genre | : |
| ISBN | : 9783838305738 |
The book provides a tutorial-style introduction to large scale cognitive wireless networks, from a number of research angles: including communications and network engineering, system engineering, and network information theory. The concept of cognitive networking is so differentiated from traditional wireless networking, by its dynamic network resource access of both spectrum bandwidth and wireless node/radio availability. On the contrary, traditional wireless networks assume that those resources can be predetermined. The introduced method of cognitive networking can provide key advantages in large-scale wireless systems, such as: 1) supporting multimedia enabled real-time applications with unlimited scalability; 2) having high capacity with dynamic drop-and-play network; 3) being ideal for free unlicensed bands and battery operation; 4) being compatible with all off-the-shelf radio standards.
| Author | : Ekram Hossain |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 459 |
| Release | : 2007-10-23 |
| Genre | : Technology & Engineering |
| ISBN | : 0387688323 |
This book provides a unified view on the state-of-the-art of cognitive radio technology. It includes a set of research and survey articles featuring the recent advances in theory and applications of cognitive radio technology for the next generation (e.g., fourth generation) wireless communication networks. The contributed articles cover both the theoretical concepts (e.g., information-theoretic analysis) and system-level implementation issues.
| Author | : Al-Dulaimi, Anwer |
| Publisher | : IGI Global |
| Total Pages | : 354 |
| Release | : 2013-01-31 |
| Genre | : Technology & Engineering |
| ISBN | : 1466628138 |
Self-Organization and Green Applications in Cognitive Radio Networks provides recent research on the developments of efficient cognitive network topology. The most current procedures and results are presented to demonstrate how developments in this area can reduce complications, confusion, and even costs. The book also identifies future challenges that are predicted to arrive in the Cognitive Radio Network along with potential solutions. This innovative publication is unique because it suggests green, energy efficient and cost efficient resolutions to the inevitable challenges in the network.
| Author | : Ahmed Khattab |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 125 |
| Release | : 2012-08-27 |
| Genre | : Technology & Engineering |
| ISBN | : 1461440335 |
This book describes a communication paradigm that could shape the future of wireless communication networks, Opportunistic Spectrum Access (OSA) in Cognitive Radio Networks (CRN). While several theoretical OSA approaches have been proposed, they are challenged by the practical limitations of cognitive radios: the key enabling technology of OSA. This book presents an unprecedented formulation of the OSA problem in CNR that takes into account the practical limitations encountered due to existing technologies. Based on such a problem formulation, this book presents a framework and protocol details implementing the analytically-optimized solution of this problem. Unlike the state-of-the-art of CRN implementations that typically target software define radios which are not suitable for real systems, this book describes the implementation of distributed OSA, using practical radio transceiver technologies. It provides a thorough characterization of the gains available to theoretical OSA approaches if the practical limitations are taken into consideration. Tackles the cognitive radio networks performance optimization problem, taking into account the practical limitations of today’s technologies; Provides thorough performance evaluation in arbitrary, large-scale networks, as well as microscopic, small-scale performance evaluation, using realistic hardware implementation; Presents an empirical study of the gains available over existing techniques by adopting practical approaches; Tackles the cognitive radio networks performance optimization problem, taking into account the practical limitations of today’s technologies; Provides thorough performance evaluation in arbitrary, large-scale networks, as well as microscopic, small-scale performance evaluation, using realistic hardware implementation; Presents an empirical study of the gains available over existing techniques by adopting practical approaches;
| Author | : Constantinos B. Papadias |
| Publisher | : John Wiley & Sons |
| Total Pages | : 456 |
| Release | : 2020-03-13 |
| Genre | : Technology & Engineering |
| ISBN | : 1119551471 |
Combines the latest trends in spectrum sharing, both from a research and a standards/regulation/experimental standpoint Written by noted professionals from academia, industry, and research labs, this unique book provides a comprehensive treatment of the principles and architectures for spectrum sharing in order to help with the existing and future spectrum crunch issues. It presents readers with the most current standardization trends, including CEPT / CEE, eLSA, CBRS, MulteFire, LTE-Unlicensed (LTE-U), LTE WLAN integration with Internet Protocol security tunnel (LWIP), and LTE/Wi-Fi aggregation (LWA), and offers substantial trials and experimental results, as well as system-level performance evaluation results. The book also includes a chapter focusing on spectrum policy reinforcement and another on the economics of spectrum sharing. Beginning with the historic form of cognitive radio, Spectrum Sharing: The Next Frontier in Wireless Networks continues with current standardized forms of spectrum sharing, and reviews all of the technical ingredients that may arise in spectrum sharing approaches. It also looks at policy and implementation aspects and ponders the future of the field. White spaces and data base-assisted spectrum sharing are discussed, as well as the licensed shared access approach and cooperative communication techniques. The book also covers reciprocity-based beam forming techniques for spectrum sharing in MIMO networks; resource allocation for shared spectrum networks; large scale wireless spectrum monitoring; and much more. Contains all the latest standardization trends, such as CEPT / ECC, eLSA, CBRS, MulteFire, LTE-Unlicensed (LTE-U), LTE WLAN integration with Internet Protocol security tunnel (LWIP) and LTE/Wi-Fi aggregation (LWA) Presents a number of emerging technologies for future spectrum sharing (collaborative sensing, cooperative communication, reciprocity-based beamforming, etc.), as well as novel spectrum sharing paradigms (e.g. in full duplex and radar systems) Includes substantial trials and experimental results, as well as system-level performance evaluation results Contains a dedicated chapter on spectrum policy reinforcement and one on the economics of spectrum sharing Edited by experts in the field, and featuring contributions by respected professionals in the field world wide Spectrum Sharing: The Next Frontier in Wireless Networks is highly recommended for graduate students and researchers working in the areas of wireless communications and signal processing engineering. It would also benefit radio communications engineers and practitioners.
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2009 |
| Genre | : |
| ISBN | : |
Frequency scarcity has emerged as a primary hurdle when trying to launch new wireless communication services. However, recent spectrum utilization measurements have shown that the available spectrum opportunities are highly underutilized. The concept of Opportunistic Spectrum Access based on the technology of cognitive radio is one of the most promising approaches to help us understand and explore the opportunities presented by idle frequencies. In this thesis, a C++ based simulator for large-scale cognitive radio networks under an ad-hoc architecture was introduced and implemented. The simulator allows users to set the necessary parameters according to the Opportunistic Spectrum Access model, and distributes the primary nodes and secondary nodes according to a given distribution. In particular, we studied connectivity of large scale cognitive radio networks using this simulator. By using Breadth-First search algorithm, we were able to keep track of all components of the secondary network. MATLAB script is used to display the network topology using the data generated from the simulator. The simulator developed can serve as an invaluable tool for investigating the design and implementation of Cognitive Radio networks. Using the simulator to emulate and validate the network connectivity is one example presented in this thesis. We confirm our simulated results with analytical results.
| Author | : Adrian Kliks |
| Publisher | : Springer |
| Total Pages | : 410 |
| Release | : 2019-08-10 |
| Genre | : Computers |
| ISBN | : 3030257487 |
This book constitutes the refereed proceedings of the 14th International Conference on Cognitive Radio-Oriented Wireless Networks, CROWNCOM 2019, held in Poznan, Poland, in June 2019. The 30 revised full papers were selected from 48 submissions and present a large scope of research topic also covering IoT in 5G and how cognitive mechanisms shall help leveraging access for numerous devices; mmWave and how specific propagation and operation in these bands bring new sharing mechanisms ; how resource allocation amongst bands (including offload mechanisms) shall be solved. The key focus will be on how rich data analysis can improve the delivery of above defined services.
| Author | : Frank H. P. Fitzek |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 725 |
| Release | : 2007-09-04 |
| Genre | : Technology & Engineering |
| ISBN | : 1402059795 |
This book advocates the idea of breaking up the cellular communication architecture by introducing cooperative strategies among wireless devices through cognitive wireless networking. It details the cooperative and cognitive aspects for future wireless communication networks. Coverage includes social and biological inspired behavior applied to wireless networks, peer-to-peer networking, cooperative networks, and spectrum sensing and management.
| Author | : Zhiyong Feng |
| Publisher | : Springer |
| Total Pages | : 142 |
| Release | : 2015-05-15 |
| Genre | : Computers |
| ISBN | : 331915768X |
This brief examines the current research in cognitive wireless networks (CWNs). Along with a review of challenges in CWNs, this brief presents novel theoretical studies and architecture models for CWNs, advances in the cognitive information awareness and delivery, and intelligent resource management technologies. The brief presents the motivations and concepts of CWNs, including theoretical studies of temporal and geographic distribution entropy as well as cognitive information metrics. A new architecture model of CWNs is proposed with theoretical, functional and deployment architectures supporting cognitive information flow and resource flow. Key technologies are identified to achieve the efficient cognitive information awareness and delivery. The brief concludes by validating the effectiveness of proposed theories and technologies using the CWNs testbed and discussing the importance of standardization practices. The context and analysis provided by this text are ideal for researchers and practitioners interested in wireless networks and cognitive information. Cognitive Wireless Networks is also valuable for advanced-level students studying resource management and networking.
| Author | : Yan Zhang |
| Publisher | : CRC Press |
| Total Pages | : 484 |
| Release | : 2016-04-19 |
| Genre | : Computers |
| ISBN | : 9781420077766 |
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
