NDLI: Sliding window technique for dynamic spectrum sensing of an asynchronous primary user

Content Provider	IEEE Xplore Digital Library
Author	Hasan, M.R. Saquib, M.
Copyright Year	2012
Description	Author affiliation: The University of Texas at Dallas, Richardson, TX (Hasan, M.R.; Saquib, M.)
Abstract	Dynamic spectrum allocation is the most efficient way of allocating spectrum and reliable spectrum sensing is the core functionality of that idea. While most of the energy detection techniques deal with the additive white Gaussian noise (AWGN) channel, few algorithms have been implemented to recognize vacant spectrum over frequency selective fading channels where the primary and secondary users are not mutually synchronized at the bit level. For that environment, we devise a novel technique that can efficiently detect the presence of a primary user with the help of its known symbols. Sliding window technique is used to combat the effect of interference in a low signal-to-noise ratio (SNR) environment over the fading channels with different number of channel taps. Simulation results are performed to support the analysis.
Starting Page	1502
Ending Page	1506
File Size	194881
Page Count	5
File Format	PDF
ISBN	9781457720529
ISSN	15503607
e-ISBN	9781457720536
e-ISBN	9781457720512
DOI	10.1109/ICC.2012.6364275
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-10
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal to noise ratio Detectors Synchronization Fading Channel estimation Cognitive radio
Content Type	Text
Resource Type	Article

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