Opportunistic Spectrum Sharing in Cognitive Radio Networks

Nonfiction, Computers, Networking & Communications, Hardware, Science & Nature, Technology, Telecommunications
Cover of the book Opportunistic Spectrum Sharing in Cognitive Radio Networks by Zhe Wang, Wei Zhang, Springer International Publishing
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Author: Zhe Wang, Wei Zhang ISBN: 9783319155425
Publisher: Springer International Publishing Publication: March 18, 2015
Imprint: Springer Language: English
Author: Zhe Wang, Wei Zhang
ISBN: 9783319155425
Publisher: Springer International Publishing
Publication: March 18, 2015
Imprint: Springer
Language: English

This Springer Brief investigates spectrum sharing with limited channel feedback in various cognitive radio systems, such as point-to-point, broadcast scheduling and ad-hoc networks. The design aim is to optimally allocate the secondary resources to improve the throughput of secondary users while maintaining a certain quality of service for primary users. The analytical results of optimal resource allocation are derived via optimization theory and are verified by the numerical results. The results demonstrate the secondary performance is significantly improved by limited feedback and is further improved by more feedback bits, more secondary receivers and more primary side information.

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This Springer Brief investigates spectrum sharing with limited channel feedback in various cognitive radio systems, such as point-to-point, broadcast scheduling and ad-hoc networks. The design aim is to optimally allocate the secondary resources to improve the throughput of secondary users while maintaining a certain quality of service for primary users. The analytical results of optimal resource allocation are derived via optimization theory and are verified by the numerical results. The results demonstrate the secondary performance is significantly improved by limited feedback and is further improved by more feedback bits, more secondary receivers and more primary side information.

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