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ThinkMind // COCORA 2013, The Third International Conference on Advances in Cognitive Radio // View article cocora_2013_1_30_60031


Sensing of DVB-T Signals for White Space Cognitive Radio Systems

Authors:
Daniel Riviello
Roberto Garello
Sergio Benco
Alberto Perotti
Floriana Crespi

Keywords: Cognitive radio; spectrum sensing; DVB-T; OFDM; white spaces.

Abstract:
In cognitive radio networks, systems operating in digital television white spaces are particularly interesting for practical applications. In this paper, we consider single- antenna and multi-antenna spectrum sensing of real DVB-T signals under different channel conditions. Some of the most important algorithms are considered and compared, including energy detection, eigenvalue based techniques and methods exploiting OFDM signal knowledge. The obtained results show the algorithm performance and hierarchy in terms of ROC and detection probability under fixed false alarm rate, for different channel profiles in case of true DVB-T signals.

Pages: 12 to 17

Copyright: Copyright (c) IARIA, 2013

Publication date: April 21, 2013

Published in: conference

ISSN: 2308-4251

ISBN: 978-1-61208-267-7

Location: Venice, Italy

Dates: from April 21, 2013 to April 26, 2013

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