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:
Jul. 21, 2026
Filed:
Aug. 24, 2020
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Shaohua Li, Kanata, CA;
Jianguo Long, Ottawa, CA;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
Embodiments of the present disclosure provide methods, apparatuses, and computer products for a base station. A method includes retrieving a plurality of phase rotations associated with a codebook for precoding matrix indicator, PMI, feedback; transmitting, to a User Equipment, UE, a plurality of Channel State Information Reference Signals, CSI-RSs, on a plurality of beams that correspond to the plurality of phase rotations; receiving, from the UE, a plurality of PMIs associated with the plurality of CSI-RSs, respectively, wherein the plurality of PMIs are indicative of a plurality of quantized precoding matrices from the codebook; using the plurality of quantized precoding matrices and the plurality of phase rotations to estimate phase and/or delay errors for a plurality of transmit antenna branches of the base station.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile