The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2013
Filed:
Sep. 05, 2008
Ahsan U. Aziz, Austin, TX (US);
Sili LU, Austin, TX (US);
Ahsan U. Aziz, Austin, TX (US);
Sili Lu, Austin, TX (US);
Apple Inc., Cupertino, CA (US);
Abstract
A method of estimating channel statistics includes storing a plurality of pilot symbols from a plurality of received signals, establishing a reference for correlation; computing instantaneous correlations for each time lag of each of the plurality of pilot symbols relative to the reference, providing a table comprising non-isotropic scattering correlation values, computing current refined correlations using previous refined correlations and instantaneous correlations, comparing current refined correlations to the table of correlation values, and choosing correlation values from the table based on the step of comparing current refined correlations to the table.
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