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2010-01-17
Analysis of the Effects of GSM Bands to the Electromagnetic Pollution in the RF Spectrum
By
Progress In Electromagnetics Research, Vol. 101, 17-32, 2010
Abstract
In this study, electromagnetic (EM) pollution measurements in crowded residential areas were performed and statistical analysis of values recorded for the EM sources causing pollution was carried out. The actual measurement values and the estimated values by the analysis model obtained through the statistical analysis were compared. Also, amplitude fluctuations of the electromagnetic radiations from EM pollution sources were detected for a long time and statistical analyses were made. EM field levels were measured in the districts of Turkish capital, Ankara where cellular base stations and TV/Radio stations are densely populated. EM radiation levels were measured for the GSM900, GSM1800, FM, UHF4, VHF4 and VHF5 stations for certain spectrum ranges under far-field conditions by utilizing isotropic field probe and selective spectrum analyzer. The measurements were fulfilled by using NARDA SRM3000 radiation meter with isotropic antenna that can be utilized in 100 kHz-3 GHz frequency range. The obtained measurement levels were compared with the limit values given by International Commission for Non-Ionizing Radiation Protection (ICNIRP). The measurement results for each pollution sources were compared and their contributions to the combined radiation were analyzed. The values for the EM pollution in the measurement regions were embedded over the digital maps created for the related places. During this process, comparisons of the pollution maps were made by utilizing Natural Neighbour (NN) interpolation technique.
Citation
Ozgur Genc Mehmet Bayrak Ercan Yaldiz , "Analysis of the Effects of GSM Bands to the Electromagnetic Pollution in the RF Spectrum," Progress In Electromagnetics Research, Vol. 101, 17-32, 2010.
doi:10.2528/PIER09111004
http://www.jpier.org/PIER/pier.php?paper=09111004
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