Development and Experimental Evaluation of Cyclostationarity-Based Signal Identification Equipment for Cognitive Radios
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概要
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An important and widely considered signal identification technique for cognitive radios is cyclostationarity-based feature detection because this method does not require time and frequency synchronization and prior information except for information concerning cyclic autocorrelation features of target signals. This paper presents the development and experimental evaluation of cyclostationarity-based signal identification equipment. A spatial channel emulator is used in conjunction with the equipment that provides an environment to evaluate realistic spectrum sharing scenarios. The results reveal the effectiveness of the cyclostationarity-based signal identification methodology in realistic spectrum sharing scenarios, especially in terms of the capability to identify weak signals.
- 2012-04-01
著者
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Okano Yoshiki
Research Laboratories Ntt Docomo Inc.
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IMAI Tetsuro
NTT DoCoMo Inc.
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Fujii Hiromasa
Ntt Docomo Inc. Yokosuka‐shi Jpn
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Fujii Hiromasa
Ntt Docomo Inc.
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Kayama Hidetoshi
Docomo Beijing Communications Laboratories Co. Ltd.
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Kayama Hidetoshi
Ntt Docomo Inc.
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HARADA Hiroki
NTT DOCOMO INC.
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MIURA Shunji
NTT DOCOMO INC.
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OKANO Yoshiki
NTT DOCOMO INC.
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