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. 20, 2026
Filed:
Nov. 03, 2021
Applicant:
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Inventors:
Liangang Chi, Beijing, CN;
Li Yang, Beijing, CN;
Assignee:
BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/04 (2017.01); H04B 7/0456 (2017.01);
U.S. Cl.
CPC ...
H04B 7/04026 (2023.05); H04B 7/0456 (2013.01);
Abstract
A method and apparatus for precoding a reconfigurable intelligent surface (RIS) are disclosed, the method is performed by a terminal device, including: determining a precoding matrix indicator (PMI) and an additional deflection phase angle for each RIS unit group in an RIS array according to channel information of the each RIS unit group; and sending first indication information, where the first indication information indicates the precoding matrix indicator and the additional deflection phase angle for the each RIS unit group.