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:
Sep. 23, 2025
Filed:
Sep. 11, 2020
Applicant:
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Inventor:
Yuanyuan Li, Beijing, CN;
Assignee:
BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 25/02 (2006.01);
U.S. Cl.
CPC ...
H04L 25/0224 (2013.01);
Abstract
Provided by an example of the disclosure is a channel estimation method, the method being applied by a sending end and including: sending demodulation reference signals (DMRSs) on a comb resource; where after the demodulation reference signals (DMRSs) transmitted on different frequency bands of the comb resource are transformed to a time domain, pilot sequences that are equivalent are obtained; and signal energy of the plurality of equivalent pilot sequences is superposed, and is then used for channel estimation of a wireless transmission channel.