Beamforming methods and methods for using beams

H Lou, P Xia, M Ghosh, O Oteri, RL Olesen - US Patent 11,122,444, 2021 - Google Patents
A method, apparatus, system, and computer readable medium may be used to perform
beamforming. The method may include a first communication device sending a first plurality …

Methods for uplink multiuser signaling and transmission

AR Hedayat - US Patent 10,116,361, 2018 - Google Patents
A method implemented by an Access Point (AP) in a Wireless Local Area Network (WLAN)
to initiate an uplink (UL) multi-user (MU) simultaneous transmission. The method includes …

Data transmission method in wireless communication system, and apparatus therefor

J Chun, K Ryu, W Lee, CHO HanGyu - US Patent 10,334,007, 2019 - Google Patents
According to an aspect of the present invention, a method for performing a downlink (DL)
multi-user (MU) transmission by an access point (AP) in a wireless communication system …

Method and device for performing uplink transmission after receiving trigger frame in wireless LAN system

H Choi, K Ryu, J Kim, CHO HanGyu, S Kim - US Patent 10,278,208, 2019 - Google Patents
One embodiment of the present invention relates to a method by which a station (STA)
performs uplink transmis sion in a wireless communication system, the method for …

Random access PPDU for WLAN systems

D Lee, S Moon, AR Hedayat, Y Noh - US Patent 10,263,821, 2019 - Google Patents
In wireless communications for multi-users, an access point may transmit a first trigger frame
to one or more stations. The first trigger frame may be for scheduling a first uplink multi-user …

Method and apparatus for transmitting frame in wireless LAN

J Choi, K Ryu, W Lee, J Chun, D Lim… - US Patent …, 2018 - Google Patents
A device and method for transmitting a frame in a wireless LAN, with the method including
the steps of: transmitting, by an AP, an RTS frame for medium protection to a first STA set; …

Physical layer protocol data unit format in a high efficiency wireless LAN

Y Seok - US Patent 10,305,647, 2019 - Google Patents
The present invention provides a new uplink PPDU frame format to support MU-MIMO and
OFDMA, and methods, apparatuses, etc. therefor. In an aspect of the present invention, a …

System and method for WLAN OFDMA design of subcarrier groups and frame format

O Aboul-Magd, JH Suh, KS Au - US Patent 9,755,795, 2017 - Google Patents
Embodiments are provided for WLAN Orthogonal Fre quency Division Multiple Access
(OFDMA) design of sub carrier groups and corresponding frame format. An embodi ment …

Method and apparatus for transmitting uplink in wireless communication system

Y Seok - US Patent 9,844,037, 2017 - Google Patents
A method for transmitting an uplink includes: an STA1 transmitting to an AP each of multiple
RTS frames through at least one channel from among multiple first channels; the STA1 …

Uplink multi-user multiple-input and multiple-output (UL MU-MIMO) transmission request method in UL MU-MIMO communication

JY Choi, JW Park, HJ Kwon, SK Lee - US Patent 9,455,773, 2016 - Google Patents
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 …