Two-Dimensional Signal Localization Algorithm for Spectrum Sensing
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概要
- 論文の詳細を見る
The localization algorithm based on the double-thresholding (LAD) method was originally proposed for detecting and localizing narrowband (NB) signals with respect to the search bandwidth. Its weakness is that the localized signal is often split into several parts, especially when the signal-to-noise ratio (SNR) is low. This may lead to the illusion of unoccupied frequencies in the middle of the signals. In this paper, an extension of the LAD method, namely the two-dimensional LAD (2-D LAD), is proposed to solve that problem. In addition to offering low computational complexity, the proposed method is able to operate at lower SNR values than the original 1-D LAD method.
- （社）電子情報通信学会の論文
- 2010-11-01
著者
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Lehtomaki Janne
Centre For Wireless Communications (cwc) University Of Oulu
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Vartiainen Johanna
Centre For Wireless Communications (cwc) University Of Oulu
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JUNTTI Markku
Centre for Wireless Communications (CWC), University of Oulu
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SAARNISAARI Harri
Centre for Wireless Communications (CWC), University of Oulu
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UMEBAYASHI Kenta
Tokyo University of Agriculture and Technology (TUAT)
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Juntti Markku
Centre For Wireless Communications (cwc) University Of Oulu
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Saarnisaari Harri
Centre For Wireless Communications (cwc) University Of Oulu
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