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Conferences > SPPCom > 2012 > SpTu2A > SpTu2A.2

Raised-Cosine OFDM for Enhanced Out-of-Band Suppression at Low Subcarrier Counts

R. Schmogrow, B. Baeuerle, D. Hillerkuss, B. Nebendahl, C. Koos, W. Freude, and J. Leuthold

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Abstract

Raised-cosine instead of rectangular windowing of OFDM symbols provides a steeper spectral roll-off. After dispersion-compensated transmission, inverse windowing at the receiver maintains orthogonality. Therefore, multiple OFDM bands even with few subcarriers can be efficiently multiplexed.

© 2012 Optical Society of America

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