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:
Aug. 18, 2015
Filed:
Jun. 19, 2013
Research IN Motion Limited, Waterloo, CA;
Martin Kosakowski, Bochum, DE;
Erwin Hemming, Herne, DE;
BlackBerry Limited, Waterloo, Ontario, CA;
Abstract
A method at user equipment 'UE', the method comprising: determining one or more radio channel estimates from received signals; selecting a precoding index fulfilling an optimization criterion based on the one or more radio channel estimates and a reduced precoding matrix, wherein the reduced precoding matrix comprises properties of a single beam for each of one or more polarization planes, and the reduced precoding matrix corresponds to an expanded precoding matrix comprising properties of a plurality of beams for each of one or more polarization planes; and transmitting a precoding matrix indicator 'PMI' based on the selected precoding index.