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DFT Modulated Filter Bank Transceivers for Interweave and Underlay Cognitive Radio von Nour Mansour (2018, Taschenbuch)

DFT modulated filter banks for non-orthogonal multicarrier transmission are considered a strong tool to implement both dynamic spectrum access and spectrum sensing in cognitive radio systems where signaling schemes have to meet different objectives. A constrained optimization approach is presented to design a cognitive radio transceiver which can be tailored to system specifications with a reasonable trade-off between performance and implementation efficiency. In interweave cognitive radio, the secondary user receiver is synchronized in time and frequency by designing a synthesis filter bank preamble with periodic symbols in analogy to short training fields in IEEE 802.11a. A simple post-detection integration at the secondary user receiver is employed for differently coherent detection. In underlay cognitive radio, a novel transmission scheme for secondary user power adaptation is proposed aiming to minimize the secondary user average probability of error for bit-interleaved coded modulation. The powers of the subcarrier signals are adapted subject to total power and stochastic chance-based interference constraints in order to provide a confidence level for limiting the interference at the licensed primary user receiver.

Produktart
Lehrbuch
Sprache
Englisch
Anzahl der Seiten
Xxiv Seiten
Verlag
Kassel University Press Gmbh, Kassel University Press
Publikationsname
Dft Modulated Filter Bank Transceivers For Interweave And Underlay Cognitive Radio
Autor
Nour Mansour
Format
Taschenbuch
Erscheinungsjahr
2018

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