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:
Jan. 03, 2023
Filed:
Jun. 10, 2021
Applicant:
Blackberry Limited, Waterloo, CA;
Inventors:
Zhijun Cai, Ashburn, VA (US);
Sean Michael McBeath, Keller, TX (US);
Hua Xu, Ottawa, CA;
Yongkang Jia, Ottawa, CA;
Youn Hyoung Heo, San Jose, CA (US);
Andrew Mark Earnshaw, Kanata, CA;
Mo-Han Fong, Sunnyvale, CA (US);
Robert Mark Harrison, Grapevine, TX (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04B 7/0413 (2017.01); H04B 7/0452 (2017.01); H04L 5/00 (2006.01); H04W 52/14 (2009.01); H04B 7/0456 (2017.01);
U.S. Cl.
CPC ...
H04W 72/042 (2013.01); H04B 7/0413 (2013.01); H04L 5/0023 (2013.01); H04L 5/0048 (2013.01); H04L 5/0051 (2013.01); H04L 5/0094 (2013.01); H04W 72/0466 (2013.01); H04B 7/0452 (2013.01); H04B 7/0469 (2013.01); H04W 52/143 (2013.01);
Abstract
A method and system to signal transmission layers or dedicated reference signal ports to be used in a multiple input multiple output system, the method including providing a downlink control signal containing information for transmission layers or dedicated reference signal ports utilized, the dedicated reference signal ports being associated with the transmission layers; and using the information to demodulate data on each transmission layer.