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OFDM-Based Overlay Systems: A Promising Approach for Enhancing Spectral Efficiency [Topics in Radio Communications].
Ulrich Berthold
Friedrich K. Jondral
Sinja Brandes
Michael Schnell
Published in:
IEEE Commun. Mag. (2007)
Keyphrases
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wireless systems
communication systems
management system
building blocks
information retrieval
computer systems
complex systems
keywords
social media
knowledge based systems
learning systems