A Novel Technique for Wideband Spectrum Sensing in Cognitive Radio Through Phase-Field Segmentation

The problem of wideband spectrum sensing for detecting vacant frequency subbands for opportunistic cognitive radio is investigated. This is achieved through the identification of irregularities (discontinuities) in the estimated power spectrum density. In this paper, we propose a new mathematical fr...

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Veröffentlicht in:	Wireless personal communications 2013, Vol.68 (1), p.115-130
Hauptverfasser:	Eslami, Mohammad, Sadough, Seyed Mohammad-Sajad
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithmics. Computability. Computer arithmetics Applied sciences Artificial intelligence Cognitive radio Communications Engineering Computer Communication Networks Computer science control theory systems Density Detection Engineering Exact sciences and technology Image processing Irregularities Mathematical models Networks Pattern recognition. Digital image processing. Computational geometry Radiocommunications Segmentation Signal,Image and Speech Processing Telecommunications Telecommunications and information theory Theoretical computing Transmitters. Receivers Wideband
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