Comparative Analysis of Signal Level of FM Radio Spectrum
Abstract
This paper presents a comparative analysis of signal level of Frequency Modulation (FM) radio spectrum measured by cognitive radio and signal level calculated from some existing models. Cognitive radio was used to measure the received signal level of frequency modulation radio spectrum for four selected locations (University of Benin, Benson Idahosa University, Well Spring University and Igbinedion University) in Edo State, Nigeria. Also, three path loss models were used to determine the prediction for the path loss, which was used to determine the received signal level of FM radio spectrum respectively. Results showed that the received signal power levels measured using cognitive radio were lower than that of the existing models. This is because received signal power levels predicted from existing models do not account for variations in terrain, structural blockage and other factors that are peculiar to the investigated environment, which affects the frequency modulation radio stations transmitting signal. Hence, the results of the signal level of FM radio spectrum for the four locations derived using cognitive radio provide a better result than that obtained from existing. Consequently, the measured results could be used to formulate a model for estimating the signal level of FM radio spectrum for locations within Nigeria with similar environmental conditions to the investigated environment.
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Copyright (c) 2018 O. S. Omorogiuwa, F. I. Anyasi, M. S. Okundamiya
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