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International Journal of Innovative Research and Development, Vol 3, No 6 (2014), Pagination:
Abstract
A blind spectrum sensing method is proposed based on output of a PFD. It has no knowledge of incoming signals, noise or channel parameters. The detection and false alarm error probabilities are calculated. The proposed method outperforms the previous single antenna blind methods.
Keywords
Cognitive Radio (CR), Phase frequency detector (PFD), blind spectrum sensing
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