Research Article
Low Complexity Cyclostationary Feature Detection Method to Compenstate Cyclostationarity-Degradation by Guard Interval Insertion
@INPROCEEDINGS{10.4108/icst.crowncom.2011.245902, author={Hiroyoshi Yano and Osamu Takyu and Takeo Fujii and Tomoaki Ohtsuki}, title={Low Complexity Cyclostationary Feature Detection Method to Compenstate Cyclostationarity-Degradation by Guard Interval Insertion}, proceedings={6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications}, publisher={IEEE}, proceedings_a={CROWNCOM}, year={2012}, month={5}, keywords={Cyclostationary Feature Detection Guard Interval}, doi={10.4108/icst.crowncom.2011.245902} }- Hiroyoshi Yano
Osamu Takyu
Takeo Fujii
Tomoaki Ohtsuki
Year: 2012
Low Complexity Cyclostationary Feature Detection Method to Compenstate Cyclostationarity-Degradation by Guard Interval Insertion
CROWNCOM
IEEE
DOI: 10.4108/icst.crowncom.2011.245902
Abstract
In cognitive radio system, it is necessary for spec-trum sensing technology to search for vacant channel. Cyclostationary feature detection method has superior noise-immune and recognition. However, since the mis-match between the detected signal and detection duration by guard interval (GI) insertion occurs, the cyclostation-arity is degraded. In this paper, we propose a high accu-racy and low complexity detection method based on cyclo-stationarity feature. The proposed method limits symbol detection time and makes multiple delay line detectors as units of the GI time. Computer simulation and analytical evaluation show the effectiveness of the proposed detection method compared to the conventional one.
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