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.

Date of Patent:
Oct. 12, 2021

Filed:

Feb. 18, 2020
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Jee Yon Choi, Daejeon, KR;

Hyoung Jin Kwon, Daejeon, KR;

Je Hun Lee, Daejeon, KR;

Sok Kyu Lee, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04B 7/0452 (2017.01); H04B 7/0404 (2017.01); H04L 1/16 (2006.01); H04W 74/06 (2009.01); H04W 72/04 (2009.01); H04W 88/02 (2009.01);
U.S. Cl.
CPC ...
H04B 7/0452 (2013.01); H04B 7/0404 (2013.01); H04L 1/1614 (2013.01); H04W 72/04 (2013.01); H04W 74/06 (2013.01); H04W 88/02 (2013.01);
Abstract

Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including determining at least one transmission station (STA), transmitting, to the transmission STA, an uplink multi-user poll (UL MU poll) frame requesting a data frame, receiving the data frame from the at least one transmission STA simultaneously, and transmitting an acknowledgement (ACK) frame to the at least one transmission STA in response to the receiving.


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