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ThinkMind // COCORA 2014, The Fourth International Conference on Advances in Cognitive Radio // View article cocora_2014_2_20_80025


FBMC/COQAM: An Enabler for Cognitive Radio

Authors:
Hao Lin
Pierre Siohan

Keywords: Cognitive Radio; FBMC; GFDM; OQAM

Abstract:
To solve the issue of spectrum scarcity, new paradigms of spectrum access must be investigated. The Cognitive Radio (CR) is an efficient solution to response to the requirement. But it needs the support from physical layer design, especially the signal modulation. In the literature, Filter-Bank-based Multi-Carrier with Offset QAM (FBMC/OQAM) and Generalized Frequency Division Multiplexing (GFDM) were proposed as suitable enablers for CR. However, both of them have some drawbacks that eventually prevent them from a practical usage. In this paper, we present an improved modulation scheme, which successfully combines these two schemes into one named FBMC/Circular OQAM (FBMC/COQAM). With this scheme, we are able to overcome all the drawbacks of its predecessors, while still keeping their advantages.

Pages: 30 to 34

Copyright: Copyright (c) IARIA, 2014

Publication date: February 23, 2014

Published in: conference

ISSN: 2308-4251

ISBN: 978-1-61208-323-0

Location: Nice, France

Dates: from February 23, 2014 to February 27, 2014

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