TY - JOUR N2 - In this paper, a filtering stage based on employing a Savitzky-Golay (SG) filter is proposed to be used in the spectrum sensing phase of a Cognitive Radio (CR) communication paradigm for Vehicular Dynamic Spectrum Access (VDSA). It is used to smooth the acquired spectra, which constitute the input for a spectrum sensing algorithm. The sensing phase is necessary, since VDSA is based on an opportunistic approach to the spectral resource, and the opportunities are represented by the user-free spectrum zones, to be detected through the sensing phase. Each filter typology presents peculiarities in terms of its computational cost, de-noising ability and signal shape reconstruction. The SG filtering properties are compared with those of the linear Moving Average (MA) filter, widely used in the CR framework. Important improvements are proposed. L1 - http://journals.pan.pl/Content/90416/PDF/10.1515-mms-2016-0019%20paper12.pdf L2 - http://journals.pan.pl/Content/90416 PY - 2016 IS - No 2 EP - 308 DO - 10.1515/mms-2016-0019 KW - Cognitive Radio KW - Smoothing filter KW - VDSA KW - Spectrum Sensing KW - Spectral Measurements A1 - Angrisani, Leopoldo A1 - Capriglione, Domenico A1 - Cerro, Gianni A1 - Ferrigno, Luigi A1 - Miele, Gianfranco PB - Polish Academy of Sciences Committee on Metrology and Scientific Instrumentation VL - vol. 23 DA - 2016.06.30 T1 - On Employing a Savitzky-Golay Filtering Stage to Improve Performance of Spectrum Sensing in CR Applications Concerning VDSA Approach SP - 295 UR - http://journals.pan.pl/dlibra/publication/edition/90416 T2 - Metrology and Measurement Systems ER -