Method and apparatus for measuring and feeding back channel information in communication system using beam forming

HK Yu, JW Cho, TY Kim, JY Seol - US Patent 9,369,189, 2016 - Google Patents
US9369189B2 - Method and apparatus for measuring and feeding back channel
information in communication system using beam forming - Google Patents US9369189B2 …

Method and apparatus for performing interference coordination in wireless communication system

Y Yi, AHN Joonkui, D Hwang, H Seo, KIM Kijun… - US Patent …, 2019 - Google Patents
(57) ABSTRACT A method for and apparatus for performing interference coordination in a
wireless communication system is pro vided. A wireless device may transmit measurement …

Linear combination PMI codebook based CSI reporting in advanced wireless communication systems

MS Rahman, E Onggosanusi, YH Nam - US Patent 10,009,088, 2018 - Google Patents
A method for a channel state information (CSI) feedback in an advanced communication
system. The method comprises receiving, from a base station (BS), CSI feedback …

Full dimension multiple input multiple output communication systems and methods

A Davydov - US Patent 10,523,285, 2019 - Google Patents
Apparatuses and methods are disclosed for supporting a UE in reporting of a selection of an
NZP CSI-RS resource to an eNB supporting FD-MIMO communication. Each NZPCSIRS …

Methods and arrangements for pilot sequence coordination

G Fodor, J Karout, LS Muppirisetty… - US Patent …, 2019 - Google Patents
The present disclosure relates to coordinating the pilot sequences that are used by several
wireless devices being served by one or more network nodes. In particular it relates to …

Uplink pilot sequence allocation method in massive MIMO system and base station thereof

YI Huiyue, J Xu, Y Yang, H Hu - US Patent 10,171,267, 2019 - Google Patents
An uplink pilot sequence allocation method in a massive MIMO system is disclosed, the
system including the master base station in the master cell and a neighboring base station in …

Method for enhancing performance of multi-input multi-output system on line-of-sight

BS Kim, MS Kang, KS Kim, WJ Byun… - US Patent 9,960,796, 2018 - Google Patents
Provided are a multi-input multi-output system which overcomes a disadvantage that optimal
receiving performance cannot be maintained according to an installation environment and a …

Apparatus and method for wireless communication

XD Zhu, Z Wang, J Chen - US Patent 10,404,431, 2019 - Google Patents
An apparatus for wireless communication includes a classification unit and an allocation
unit. The classification unit classifies communication devices in a cell where the apparatus is …

Method and system for determining signal quality indications

A Furuskär, N Jaldén - US Patent 11,778,498, 2023 - Google Patents
Disclosed is a method and performed by a system of a wireless communication network for
determining signal quality indications. The method includes determining a correlation …

Method for distributing pilot frequency in massive antenna system

F Xu, J Yan, CHU Rulong, OU Xingbao - US Patent 11,445,504, 2022 - Google Patents
The disclosure discloses a method for distributing pilot frequency in a massive antenna
system, including: dividing a pilot frequency set into three sub sets that are intersecting with …