Filtering carrier frequency offset in multi-user multiple-input and multiple-output environment

D Doan, V Chowdiah, R Gibson… - US Patent App. 15 …, 2018 - Google Patents
Methods, systems, and devices for wireless communication are described including
determining one or more unfiltered CFOs, filtering the one or more unfiltered CFOs to identify …

Scalable equalizer for multiple-in-multiple-out (MIMO) wireless transmission

K Sarrigeorgidis - US Patent 8,204,103, 2012 - Google Patents
BACKGROUND The present disclosure describes systems and techniques relating to
processing information received from a spatially diverse transmission. Mobile phones …

Scalable equalizer for multiple-in-multiple-out (MIMO) wireless transmission

K Sarrigeorgidis - US Patent 7,978,759, 2011 - Google Patents
BACKGROUND The present disclosure describes systems and techniques relating to
processing information received from a spatially diverse transmission. Mobile phones …

Processing multiuser multiple-input multiple-output communications having unavailable spatial streams

M Rezk, D Rende, K Rai, CH Chen - US Patent 11,632,273, 2023 - Google Patents
This disclosure provides methods, devices and systems for determining unavailable spatial
streams in uplink multiuser (MU) multiple-in multiple-out (MIMO) communication. In one …

Channel state information feedback frame format and feedback rules for very high throughput wireless systems

H Sampath, DJR Van Nee, S Vermani… - US Patent …, 2014 - Google Patents
Related US Application Data(57) ABSTRACT Certain aspects of the present disclosure
provide techniques (60) Provisional application No. 61/406,977, filed on Oct. and apparatus …

Methods, apparatus and systems for channel estimation and simultaneous beamforming training for multi-input multi-output (MIMO) communications

A Sahin, R Yang, H Lou, O Oteri, RL Olesen… - US Patent …, 2021 - Google Patents
Methods, apparatuses, and systems to enable a channel estimation of more than one
channel for Multi-Input Multi-Output (MIMO) communications in a wireless network is …

Multi-user multiple input multiple output wireless communications

H Sampath, VK Jones IV, MM Wentink… - US Patent …, 2015 - Google Patents
Certain aspects of the present disclosure relate to a method for enhanced multi-user multiple
input multiple output (MU-MIMO) wireless communications. The proposed method may …

Carrier frequency offset estimation

R Cao, X Zheng, H Zhang, HL Lou, L Chu… - US Patent …, 2018 - Google Patents
A method for use in a communication network is described. A plurality of data frames,
transmitted simultaneously from respective ones of a plurality of second communication …

Sectorized antennas for unsynchronized multiuser multiple-input and multiple-output

L Cariou, S Trainin, O Yang - US Patent 10,251,072, 2019 - Google Patents
This disclosure describes systems, methods, and devices related to antenna adjustment for
unsynchronized MU MIMO communication. A device may determine a first signal associated …

Systems and methods for monitoring wireless communications

DJR Van Nee, SV Anikhindi… - US Patent App. 13 …, 2014 - Google Patents
A method for multi-user multiple-input and multiple-output (MU-MIMO) sniffing by an
electronic device is described. The method includes detecting multiple client second control …