Method and device for handling ranging signals in a wireless communications network
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United States of America Patent
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Jul 24, 2012
Grant Date -
Apr 5, 2007
app pub date -
Sep 18, 2006
filing date -
Sep 18, 2005
priority date (Note) -
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Abstract
A method for detecting and/or estimating a ranging signal in a wireless communications network, wherein the ranging signal comprises a plurality of tiles. The method includes (i) for two or more of the plurality of tiles, carrying out a plurality of mathematical correlations for one or more of the plurality of tiles but less than all of the plurality of tiles products between subcarriers, wherein at least one of the plurality of products is carried out between non-adjacent subcarriers associated with one of the two or more of the plurality of tiles; (ii) summing the results of the correlations products, thereby obtaining mathematical correlations that make up summed results; and (iii) based on the summed results, detecting a code characterizing the ranging signal and/or estimating the timing offset of the ranging signal.
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