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:
Aug. 11, 2020
Filed:
Apr. 17, 2017
Lg Electronics Inc., Seoul, KR;
Saehee Bang, Seoul, KR;
Kiseon Ryu, Seoul, KR;
Jeongki Kim, Seoul, KR;
Hangyu Cho, Seoul, KR;
Jinmin Kim, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A method for multi-user transmission in a wireless LAN system according to one embodiment of the present specification comprises the steps of: individually performing, by a STA including a first directional antenna and a second directional antenna, a first countdown procedure for the first directional antenna and a second countdown procedure for the second directional antenna according to a directional CCA operation for the first and second directional antennas; determining the first directional antenna as a primary antenna when the first countdown procedure is completed before the second countdown procedure; determining whether the second directional antenna is idle from a threshold time before a completion time point of the first countdown procedure to the completion time point; and transmitting multiple streams on the basis of the first and second directional antennas according to the result of the determination.