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:
Apr. 05, 2016
Filed:
Oct. 16, 2012
Lg Electronics Inc., Seoul, KR;
Korea University Research and Business Foundation, Seoul, KR;
Ill Soo Sohn, Anyang-si, KR;
Han Bae Kong, Anyang-si, KR;
Hae Wook Park, Anyang-si, KR;
Inkyu Lee, Anyang-si, KR;
Chang Ick Song, Anyang-si, KR;
LG ELECTRONICS INC., Seoul, KR;
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, Seoul, KR;
Abstract
The present invention relates to a method and apparatus for transmitting a frame in a wireless LAN system. An access point (AP) receives a single orthogonal frequency division multiplexing (OFDM) symbol from each of a plurality of stations (STA) and a single-tone request to send (sRTS) frame through a single subcarrier, selects STAs for performing uplink (UL) multiuser (MU)-multiple input multiple output (MIMO) transmission, and transmits to the plurality of STAs a single-tone clear to send (sCTS) frame allocated to the same subcarrier as a subcarrier to which the sRTS frames received from the selected STAs are allocated.