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. 29, 2022
Filed:
Dec. 18, 2020
Applicant:
Industry-academic Cooperation Foundation, Dankook University, Yongin-Si, KR;
Inventors:
Kyu Haeng Lee, Seoul, KR;
Su Han Choi, Gwacheon-Si, KR;
Assignee:
Industry-Academic Cooperation Foundation, Dankook L, Yongin-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04B 7/0452 (2017.01); H04B 7/06 (2006.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0452 (2013.01); H04B 7/0626 (2013.01); H04W 72/042 (2013.01); H04W 72/0446 (2013.01); H04L 5/0007 (2013.01);
Abstract
A method for Multi-User Multi-Input Multi-Output (MU-MIMO) transmission is provided. The method comprises: receiving an uplink Orthogonal Frequency Division Multiple Access (OFDMA) frame from a plurality of stations; estimating downlink channel states for the plurality of stations based on the uplink OFDMA frame; and selecting one or more of the plurality of stations for downlink MU-MIMO transmissions based on the estimation of downlink channel states for the plurality of stations.