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Cognitive radio networks. --- Software radio. --- Wireless communication systems. --- Autonomic computing. --- Radio cognitive --- Radio logicielle --- Transmission sans fil --- Informatique autonome

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Cognitive Wireless Communication Networks provides a unified view on the state-of-the-art in what has emerged as a promising technology for maximizing the utilization of the limited radio bandwidth. With interest in this technology increasing among researchers in both academia and industry and spectrum policy makers, this book offers a wide range of information on the subject. Topics covered include the fundamental challenges and issues in designing cognitive radio systems to the information-theoretic analysis of such systems, spectrum sensing and co-existence issues, adaptive physical layer protocols and link adaptation techniques for cognitive radio, orthogonal frequency division multiple access (OFDM) and ultra wide band (UWB)-based cognitive radio, different techniques for spectrum access by distributed cognitive radio, cognitive medium access control (MAC) protocols, decentralized learning-based dynamic spectrum access methods as well as macroeconomic models for spectrum management in cognitive radio.

Software radio --- Wireless communication systems --- Radio logicielle --- Transmission sans fil --- Software radio. --- Telecommunication. --- Wireless communication systems. --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Telecommunications --- Electrical Engineering --- Communication systems, Wireless --- Wireless data communication systems --- Wireless information networks --- Wireless telecommunication systems --- Radio, Reconfigurable --- Radio, Smart --- Radio, Software --- Reconfigurable radio --- SDR (Software-defined radio) --- Smart radio --- Software-based radio --- Software-defined radio --- Engineering. --- Computer organization. --- Computer communication systems. --- Artificial intelligence. --- Microwaves. --- Optical engineering. --- Electrical engineering. --- Communications Engineering, Networks. --- Computer Communication Networks. --- Microwaves, RF and Optical Engineering. --- Artificial Intelligence (incl. Robotics). --- Computer Systems Organization and Communication Networks. --- Signal, Image and Speech Processing. --- Telecommunication systems --- Computer network architectures. --- Artificial Intelligence. --- Architectures, Computer network --- Network architectures, Computer --- Computer architecture --- AI (Artificial intelligence) --- Artificial thinking --- Electronic brains --- Intellectronics --- Intelligence, Artificial --- Intelligent machines --- Machine intelligence --- Thinking, Artificial --- Bionics --- Cognitive science --- Digital computer simulation --- Electronic data processing --- Logic machines --- Machine theory --- Self-organizing systems --- Simulation methods --- Fifth generation computers --- Neural computers --- Hertzian waves --- Electric waves --- Electromagnetic waves --- Geomagnetic micropulsations --- Radio waves --- Shortwave radio --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Communication --- Information theory --- Telecommuting --- Signal processing. --- Image processing. --- Speech processing systems. --- Computational linguistics --- Electronic systems --- Modulation theory --- Oral communication --- Speech --- Telecommunication --- Singing voice synthesizers --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication) --- Organization, Computer --- Electronic digital computers --- Mechanical engineering --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Information networks --- Cyberinfrastructure --- Network computers --- Electric engineering --- Engineering --- Distributed processing

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In the Age of Enlightenment the German philosopher Immanuel Kant encouraged people to use their own mind as the basis for reasoning instead of following dogmatic religious rules - Sapere aude! (dare to know!) - Today wireless communication networks are increasingly becoming aware of the conditions of its their component parts and surrounding environment. Cognition, a continuous process involving sensing, reasoning, understanding and reacting, can be applied to wireless networks in order to adapt the system to the highly dynamic wireless ecosystem. The ultimate goals are to enhance the efficiency in the use of radio resources as well as to improve both link and network performance. This book presents a detailed overview of a rapidly emerging topic in modern communications: cognitive wireless networks. The key aspects of cognitive and cooperative principles in wireless networks are discussed in this book. Furthermore, Cognitive Wireless Networks advocates the concept of breaking up the cellular communication architecture by introducing cooperative strategies among wireless devices. Cognitive wireless networking is the key to success in handling the upcoming dynamic network configurations and exploiting this cross-over to the fullest extent. As wireless networks become pervasive, highly populated and increasingly complex, the essential preconditions for exploiting rich interactions among mobile devices are better fulfilled. Today, these trends are giving rise to new communications paradigms making use of cooperation and cognition as the main underlying principles. Cognition, together with its complementary principle cooperation, confer to the wireless networks some degree of consciousness or understanding about their own existence, such as internal structure, capabilities, relationships to the outside world, limitations, current use of radio resources and many more. Current wireless networks are aware of their surrounding environment to a very limited extent, but in future wireless networks this capability will be highly developed, as a consequence of exploiting jointly cooperative and cognitive principles. Especially for cooperative wireless networks, where the communication scenario is highly dynamic, the mobile devices need to adapt their capabilities in a flexible manner, taking advantage of cognitive principles.

Wireless communication systems. --- Software radio. --- Wide area networks (Computer networks) --- Local area networks (Computer networks) --- WANs (Computer networks) --- Computer networks --- Electronic data processing --- LANs (Computer networks) --- Local area computer networks --- Radio, Reconfigurable --- Radio, Smart --- Radio, Software --- Reconfigurable radio --- SDR (Software-defined radio) --- Smart radio --- Software-based radio --- Software-defined radio --- Wireless communication systems --- Communication systems, Wireless --- Wireless data communication systems --- Wireless information networks --- Wireless telecommunication systems --- Telecommunication systems --- Distributed processing --- Telecommunication. --- Computer Communication Networks. --- Computer network architectures. --- Microwaves. --- Communications Engineering, Networks. --- Computer Systems Organization and Communication Networks. --- Signal, Image and Speech Processing. --- Microwaves, RF and Optical Engineering. --- Hertzian waves --- Electric waves --- Electromagnetic waves --- Geomagnetic micropulsations --- Radio waves --- Shortwave radio --- Architectures, Computer network --- Network architectures, Computer --- Computer architecture --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Electrical engineering. --- Computer communication systems. --- Computer organization. --- Signal processing. --- Image processing. --- Speech processing systems. --- Optical engineering. --- Organization, Computer --- Electronic digital computers --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Network computers --- Electric engineering --- Engineering --- Mechanical engineering --- Computational linguistics --- Modulation theory --- Oral communication --- Speech --- Singing voice synthesizers --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication)