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Spectrum occupancy modeling in the context of Dynamic Spectrum Access/Cognitive Radio (DSA/CR) constitutes a rather unexplored research area that still requires much more effort. This paper addresses the problem of modeling spectrum occupancy in the spatial domain by proposing a novel theoretical approach that enables modeling the occupancy level perceived at any geographical location based on the knowledge of some simple primary signal parameters. The validity of the theoretical model is verified with extensive empirical measurement results. Some examples of its potential applicability are discussed as well.
CitacióLópez, M.; Casadevall, F. Spatial duty cycle model for cognitive radio. A: IEEE International Symposium on Personal Indoor and Mobile Radio Communications. "Proceedings of the 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications". Istambul: 2010, p. 1631-1636.