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Cyclo-stationary feature detection for scattered pilot OFDM symbol is accurate detection technique under low signal power. It is, however, problematic that guard interval insertion degrades the cyclo-stationary feature. We have proposed the silent period detection for the compensation of degrading cyclo-stationary. Even if the proposed technique achieved high accurate detection, it sacrifices the...
In cognitive radio system, it is necessary for spectrum sensing technology to search for vacant channel. Cyclostationary feature detection method has superior noise-immune and recognition. However, since the mismatch between the detected signal and detection duration by guard interval (GI) insertion occurs, the cyclostationarity is degraded. In this paper, we propose a high accuracy and low complexity...
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