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An enhanced covariance spectrum sensing technique based on stochastic resonance in cognitive radio networks.
Di He
Winston Li
Fusheng Zhu
Weiyao Lin
Published in:
ISCAS (2012)
Keyphrases
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cognitive radio networks
spectrum sensing
stochastic resonance
cognitive radio
user centric
image enhancement
signal to noise ratio
contrast enhancement
wireless communication
image processing
key technologies