METHOD FOR DETECTING THE CENTRAL FREQUENCY OF AT LEAST ONE CARRIER IN A WIDE-BAND DOWNLINK, AND CORRESPONDING COMPUTER SOFTWARE PRODUCT, STORAGE DEVICE AND MOBILE APPARATUS
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United States of America Patent
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Issued Date -
Mar 3, 2011
app pub date -
Feb 3, 2009
filing date -
Feb 8, 2008
priority date (Note) -
Abandoned
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Abstract
A method is provided for detecting, using a mobile apparatus, the central frequency of at least one carrier of a wide-band downlink of a communication channel associated with a frequency band, wherein the at least one carrier belongs to the frequency band. The method includes a first step of measuring the value of an indicator representative of a power received by the mobile apparatus for a plurality of frequencies evenly spaced in the frequency band in order to obtain a spectrum of values of the indicator on the frequency band. The method includes a second phase of analyzing the spectrum of the indicator, which includes recognizing the shape of the at least one carrier in the indicator spectrum, and detecting the central frequency of the at least one carrier.
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