Transmit time offset in uplink multi-user multiple input-multiple output system

AP Stephens, RJ Stacey, TJ Kenney - US Patent 9,462,504, 2016 - Google Patents
A method for transmit time offset in a UL-MU-MIMO system monitors respective transmit
powers, over a wireless channel, for a plurality of stations in the system. A respective …

Downlink transmission in a MU-MIMO system

Y Yu - US Patent 9,723,625, 2017 - Google Patents
A method is provided for managing a downlink transmission in a Multi User-Multiple Input
Multiple Output (MU-MIMO) system. The MU-MIMO system includes a base station and a set …

Method and system for operating a multi-user multiple-input multiple-output (MU-MIMO) wireless communications system

K Xu, C Zixiong, N Ma, K Sun, B Zhou, Y Wang… - US Patent …, 2011 - Google Patents
A technique for operating a wireless communications system that supports multi-user
multiple-input multiple-output (MU-MIMO) communications between a base station and …

Approach to a unified SU-MIMO/MU-MIMO operation

BH Kim, DP Malladi - US Patent 8,271,043, 2012 - Google Patents
An apparatus and method to dynamically schedule user devices in a wireless
communication system in single-user multiple-input multiple-output (SU-MIMO) or multiple …

Dynamic subchannel and bit allocation in a multiuser-MIMO/OFDMA system

YH Jung, IS Park, S Nam, IH Kim, Y Lee - US Patent 7,372,830, 2008 - Google Patents
A resource allocation method in a multiuser-multiple-input multiple-output/orthogonal
frequency division multiple access (MIMO/OFDMA) system. In the multiuser-MIMO/OFDMA …

System and method for multi-user and multi-cell MIMO transmissions

J Zhang, J Lee, YY Li, L Liu, YH Nam - US Patent 9,094,167, 2015 - Google Patents
A base station can communicate with a plurality of subscriber stations in a Multi-User (MU)
Multiple-Input Multiple-Output (MIMO) system. The base station includes a transmitter and …

Control for uplink in MIMO communication system

X Luo, W Chen, J Montojo - US Patent 8,428,521, 2013 - Google Patents
In a wireless communication network that performs Multiple Input Multiple Output (MIMO)
communication, uplink power control signals are provided to a user equipment (UE) via a …

System and method for downlink control signal structure for multi-user MIMO

C Van Rensburg, ACK Soong - US Patent 8,194,602, 2012 - Google Patents
A system and method for downlink control signal structure for multi-user MIMO is provided. A
method comprises selecting a set of mobile stations (MSs) to receive substantially …

Method of transmitting and receiving frame for uplink multi-user multiple-input and multiple-output (UL MU-MIMO) communication

JY Choi, HJ Kwon, JH Lee, SK Lee - US Patent 9,838,093, 2017 - 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 …

Apparatus and method for transmitting and receiving data in multiuser MIMO system

HJ Kim, S Kim, K Lee - US Patent 7,769,390, 2010 - Google Patents
A method for transmitting and receiving data in a multiuser Multiple-Input Multiple-Output
(MIMO) system including a base station connected to a plurality of user equipments. In the …