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Cyclostationary Detection of Cognitive Radio Systems Using GFDM Modulation

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Executive Summary

A cognitive radio should be able to detect unused spectrum band and to change its transmission parameters in order to transmit within these free bands. To achieve this, reliable detection of incumbent signals as well as of other opportunistic signals that are using the said spectrum, is necessary. Generalized Frequency Division Multiplexing (GFDM) is a recent multicarrier modulation technique with extremely low out-of-band radiation that makes it an attractive choice for the PHY layer of cognitive radio. GFDM has an innovative tail biting cyclic prefix which shows unique circular detection properties.

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