Presentation 2007-07-27
Signal Detection Method based on Cyclostationarity for Cognitive Radio
Kimtho PO, Jun-ichi TAKADA,
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Abstract(in English) A signal detection method is being indispensible in the cognitive radio system for the coexistence with the primary users such as ISDB-T system. This paper presents the detection method based on spectral correlation by using cyclostationarity properties of ISDB-T signal. The detection of the presence and absence of ISDB-T signal is performed based on scanning the cyclic frequencies of its cyclic spectrum or its cyclic autocorrelation function. The decision is made very simple i.e. at a given cyclic frequency if the cyclic spectrum or its cyclic autocorrelation function is below the threshold level, the signal is absent otherwise signal is present. The detection performance is investigated under white Gaussian noise channel.
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Keyword(in English) Cognitive Radio / IEEE 802.22 / Signal Detection / spectral correlation / cyclostationarity
Paper # SR2007-38
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Conference Date 2007/7/19(1days)
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Title (in Japanese) (See Japanese page)
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Title (in English) Signal Detection Method based on Cyclostationarity for Cognitive Radio
Sub Title (in English)
Keyword(1) Cognitive Radio
Keyword(2) IEEE 802.22
Keyword(3) Signal Detection
Keyword(4) spectral correlation
Keyword(5) cyclostationarity
1st Author's Name Kimtho PO
1st Author's Affiliation Graduate School of Engineering, Tokyo Institute of Technology()
2nd Author's Name Jun-ichi TAKADA
2nd Author's Affiliation Graduate School of Engineering, Tokyo Institute of Technology
Date 2007-07-27
Paper # SR2007-38
Volume (vol) vol.107
Number (no) 162
Page pp.pp.-
#Pages 6
Date of Issue