Presentation 2010-01-22
Iterative Cyclostationarity-based Feature Detection of Multiple Primary Signals for Spectrum Sharing Scenarios
Hiroki HARADA, Hiromasa FUJII, Shunji MIURA, Tatsuo FURUNO, Tomoyuki OHYA,
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Abstract(in English) The original cyclostationarity cannot distinguish signals if several signals have the same signal format and parameters, but the cyclostationarity-inducing transmission method can overcome this problem by inducing different features in the OFDM signals that have the same parameters. Another problem of conventional cyclostationarity-based feature detection is that the detection probability of weak signals worsens if multiple signals with different received-power levels are captured simultaneously. This paper proposes iterative cyclostationarity-based feature detection to detect such weak signals. The proposed detection method suppresses the effects of previously-detected signals in the cyclic auto-correlation domain, and so improves the detection probability of the weak signals. The detection performances of the conventional and proposed detection methods are evaluated by computer simulations. The results reveal the effectiveness of the proposed detection in spectrum sharing scenarios.
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Keyword(in English) cyclostationarity-based feature detection / cyclostationarity-inducing transmission / OFDM transmission, spectrum sharing
Paper # SR2009-84
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Conference Date 2010/1/14(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Iterative Cyclostationarity-based Feature Detection of Multiple Primary Signals for Spectrum Sharing Scenarios
Sub Title (in English)
Keyword(1) cyclostationarity-based feature detection
Keyword(2) cyclostationarity-inducing transmission
Keyword(3) OFDM transmission, spectrum sharing
1st Author's Name Hiroki HARADA
1st Author's Affiliation NTT DOCOMO, INC.()
2nd Author's Name Hiromasa FUJII
2nd Author's Affiliation NTT DOCOMO, INC.
3rd Author's Name Shunji MIURA
3rd Author's Affiliation NTT DOCOMO, INC.
4th Author's Name Tatsuo FURUNO
4th Author's Affiliation NTT DOCOMO, INC.
5th Author's Name Tomoyuki OHYA
5th Author's Affiliation NTT DOCOMO, INC.
Date 2010-01-22
Paper # SR2009-84
Volume (vol) vol.109
Number (no) 383
Page pp.pp.-
#Pages 8
Date of Issue