Download e-book for iPad: Cognitive Radio Technology by Bruce A. Fette

By Bruce A. Fette

ISBN-10: 0750679522

ISBN-13: 9780750679527

Cognitive radio know-how is a wiser, speedier, and extra effective technique to transmit info to and from mounted, cellular, different instant communique units. Cognitive radio builds upon software-defined radio know-how. A cognitive radio procedure is 'aware' of its working setting and immediately adjusts itself to take care of wanted communications-it's like having a expert operator 'inside' the radio making consistent alterations for max functionality. working frequency, strength output, antenna orientation/beamwidth, modulation, and transmitter bandwidth are only many of the working parameters that could instantly be adjusted "on the fly" in a cognitive radio method. Fette has developed a state-of-the-art quantity that hits the entire vital concerns together with learn, administration, and help. Cognitive concepts may be mentioned comparable to place and community information, infrastructure and actual and hyperlink layer matters. although nonetheless a nascent expertise, cognitive radio is being driven through the U.S. army and for mission-critical civilian communications (such as emergency and public protection services). *The first ebook on a innovative expertise that may be serious to army, emergency, and public security communications *A multi-contributed quantity written via the leaders during this fascinating new quarter *Describes the location-determination services of cognitive radio (the targeted position of all devices in a cognitive radio community may be decided in genuine time)

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Chapter 11, by Youping Zhao, Bin Le, and Jeffrey Reed of Virginia Tech, deals with the ways in which network infrastructure can provide cognitive functionality and support services to the user, even if the subscriber’s unit is of low power or small computational capability. Chapter 12, by Vince Kovarik of Harris Corporation, provides extensive coverage of learning technologies and techniques, and how these are applied to the cognitive radio application. In Chapter 13, Mitch Kokar, David Brady, and Kenneth Baclawski of Northeastern University give a detailed overview of how to represent the types of knowledge a radio would need to know in order to behave intelligently.

Chapter 3, by Max Robert of Virginia Tech and Bruce Fette of General Dynamics C4 Systems, describes the details of hardware and software architecture of SDRs, and explains why an SDR is the primary choice as the basis for cognitive radios. Chapter 4, by John Polson of Bell Helicopter, is about the technologies required to implement basic services in a cognitive radio. In Chapter 5, Preston Marshall of DARPA deals with spectrum efficiency and the DARPA programs that demonstrated the feasibility of cognitive radio principles.

Smith focuses on how networks apply intelligence to the selection of network protocols in order to optimize network performance in spite of the differences between wireless and wired systems. Chapter 10, by Joe Campbell, Bill Campbell, Scott Lewandowski, and Cliff Weinstein of Lincoln Laboratory, is about using speech as an input/output mechanism for the user to request and access services, as well as to authenticate the user to the radio network and services. Speech analysis tools extract basic properties of speech.

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Cognitive Radio Technology by Bruce A. Fette

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