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:
Nov. 17, 2015
Filed:
Feb. 07, 2014
Applicant:
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Inventors:
Chester Park, Santa Clara, CA (US);
Ali Behravan, Stockholm, SE;
Havish Koorapaty, Saratoga, CA (US);
Assignee:
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL), Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/04 (2006.01); H04B 7/06 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0456 (2013.01); H04B 7/0413 (2013.01); H04B 7/0617 (2013.01); H04B 7/0626 (2013.01);
Abstract
Systems and methods according to these exemplary embodiments provide for using demodulation reference signals (DM-RSs) to obtain channel state information (CSI) for precoder selection. A method includes: receiving a DM-RS in at least one subframe, determining the CSI from the DM-RS; and using the CSI to perform at least one function.