Evaluation of spectrum usage for GSM band in indoor and outdoor scenario for Dynamic Spectrum Access

Current wireless technologies allow limited flexibility in selection of operating frequency of the wireless devices. Cognitive radio is the potential candidate for the efficient spectrum usage in future due to its ability to modify their operational parameters such as frequency, modulation schemes, and transmit power. Several measurements have shown that the current spectrum is inefficiently utilized. The inefficient utilization problem can be solved with the help of Dynamic Spectrum Access. This paper describes the GSM band measurement conducted at different locations. In this paper, we report detailed measurement results of GSM band including statistical as well as spectral occupancy details obtained from measurement campaign conducted in Pune, India for indoor and outdoor scenarios. The results can be further used as an input for spectrum regulator for considering Cognitive Radio (CR) operation in GSM band.