Process for analysing the ambient electromagnetic field and associated portable device
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United States of America Patent
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Dec 12, 2006
Grant Date -
Apr 3, 2003
app pub date -
Jul 11, 2002
filing date -
Jul 12, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for analysing the ambient electromagnetic field in which, to determine the field level of one or more cellular telecommunication networks, the field is analysed at the frequencies of the beacon pathways of base stations of the network or networks, characterized in that it comprises the steps according to which: with the aid of detection means (4), the intensity of the electromagnetic field is measured over time for several frequencies of a frequency range which is sampled, a processing unit (1) determines for each frequency, from the measurements thus performed, at least one characteristic parameter of the electromagnetic field, the processing unit (1) determines from the values of this characteristic parameter, the frequencies which correspond to the signals of the beacon pathways of one or more base stations, by applying a selection criterion based on the statistical properties of the field radiated by this type of station.
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