Characterization and modelling of spectrum for dynamic spectrum access with spatial statistics and random fields. - Janne Riihijärvi; Petri Mähönen; Matthias Wellens; Martin Gordziel (PIMRC, 2008)

Spatial Statistics of Spectrum Usage: From Measurements to Spectrum Models. - Matthias Wellens; Janne Riihijärvi; Martin Gordziel; Petri Mähönen (ICC, 2009)