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21.发明申请公开(公告)号：US20180102825A1
公开(公告)日：2018-04-12
申请号：US15521150
申请日：2015-12-16
Applicant: LG ELECTRONICS INC.
Inventor： Jiwon KANG , Kitae KIM , Kilbom LEE , Kyungmin PARK , Heejin KIM
IPC: H04B7/08 , H04B7/0408
CPC classification number: H04B7/088 , H04B7/0408
Abstract: A method of receiving a signal, which is received by a receiving end in a wireless communication system, is disclosed in the present specification. The method includes the steps of calculating effective Doppler spread values of reception beam combinations, wherein each reception beam combination consists of two or more reception beams among a plurality of reception beams; selecting a first reception beam combination from the reception beam combinations using the effective Doppler spread values; and receiving the signal from a transmitting end using at least one reception beam included in the selected first reception beam combination.
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22.发明申请公开(公告)号：US20180083719A1
公开(公告)日：2018-03-22
申请号：US15561384
申请日：2016-03-23
Applicant: LG ELECTRONICS INC.
Inventor： Kitae KIM , Jiwon KANG , Kilbom LEE , Kungmin PARK , Heejin KIM
CPC classification number: H04B17/104 , H04B7/04 , H04B7/0617 , H04B7/0695 , H04B17/318 , H04L25/02 , H04L25/0222
Abstract: Provided is a method for estimating a Doppler frequency in a wireless communication system that operates in a millimeter wave (mmWave) bandwidth. A receiver implements a beam scanning process by using a plurality of preambles corresponding respectively to a plurality of beams to which mutually different beam forming is applied, and estimates a Doppler frequency for each of the plurality of beams. The plurality of preambles may correspond respectively to the beam forming directions of the plurality of beams.
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公开(公告)号：US20180077662A1
公开(公告)日：2018-03-15
申请号：US15561634
申请日：2016-03-29
Applicant: LG ELECTRONICS INC.
Inventor： Kitae KIM , Jiwon KANG , Kilbom LEE , Kungmin PARK , Heejin KIM
Abstract: Provided are a method and an apparatus for transmitting, on the basis of a repeating pattern, a synchronization signal in a wireless communication system. A base station divides a cell into multiple sectors and transmits multiple types of synchronization signals, which respectively correspond to the multiple sectors and have different repeating patterns, to a terminal through a system frame. The terminal performs detection of the multiple types of synchronization signals having the different repeating patterns and determines the position of the terminal within the cell according to the detected synchronization signals.
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公开(公告)号：US20170353221A1
公开(公告)日：2017-12-07
申请号：US15541684
申请日：2015-06-23
Applicant: LG ELECTRONICS INC.
Inventor： Jiwon KANG , Kitae KIM , Kilbom LEE , Kungmin PARK , Heejin KIM
CPC classification number: H04B7/0626 , H04B7/0404 , H04B7/0413 , H04B7/0469 , H04B7/0634 , H04B7/0639 , H04B7/10 , H04B17/24 , H04B17/309 , H04B17/318 , H04B17/345 , H04L5/0048 , H04W72/1226 , H04W88/02 , H04W88/08
Abstract: The present application discloses a method for a terminal reporting channel state information to a base station in a wireless communication system. Specifically, the method comprises the steps of: receiving, from a base station, a plurality of first reference signals corresponding to a row or a column of a transmission antenna array, and a second reference signal for measuring cross polarization characteristics; calculating first precoders of each of the plurality of first reference signals, and connection coefficient information between the first precoders; generating cross polarization characteristics information by using the second reference signal; and reporting, to the base station, channel state information comprising the first precoders, the connection coefficient information, and the cross polarization characteristics information.
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25.发明申请公开(公告)号：US20170272223A1
公开(公告)日：2017-09-21
申请号：US15505496
申请日：2015-06-25
Applicant: LG ELECTRONICS INC.
Inventor： Kitae KIM , Jiwon KANG , Kilbom LEE , Heejin KIM
CPC classification number: H04L5/0048 , H04B7/0617 , H04B7/0639 , H04B7/0695 , H04B7/08 , H04B7/088 , H04W72/046 , H04W88/02 , H04W88/08
Abstract: A method for determining a weight for hybrid beamforming by a base station in a wireless communication system according to an embodiment of the present invention comprises the steps of: signaling, to a terminal, a configuration for repeatedly transmitting a first omni-directional beam equally formed in all directions; receiving the first omni-directional beam from the terminal by forming a second omni-directional beam; repeatedly receiving the first omni-directional beam from the terminal by sequentially forming a plurality of directional beams corresponding to a plurality of directions; and determining a weight for hybrid beamforming on the basis of a gain difference between the first omni-directional beam received through the second omni-directional beam and the first omni-directional beam received through a first directional beam among the plurality of directional beams.
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Patent Agency Ranking
公开(公告)号：US20170141826A1
公开(公告)日：2017-05-18
申请号：US15321722
申请日：2014-06-26
Applicant: LG ELECTRONICS INC.
Inventor： Kitae KIM , Heejin KIM , Kilbom LEE , Jiwon KANG
CPC classification number: H04B7/0486 , H04B7/0482 , H04B7/0639 , H04W72/0453 , H04W72/06 , H04W88/02 , H04W88/08
Abstract: Disclosed in the present application is a method for a terminal reporting a precoding matrix index to a base station in a wireless communication system. Specifically, the method comprises the steps of: estimating a channel with the base station; on the basis of the estimated channel, selecting a first precoding matrix from a first codebook; on the basis of the estimated channel, selecting a second precoding matrix from a second codebook comprising only precoding matrixes which do not include the first precoding matrix; and reporting, to the base station, at least one among the index of the first precoding matrix and the index of the second precoding matrix.
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27.发明申请公开(公告)号：US20170134083A1
公开(公告)日：2017-05-11
申请号：US15318287
申请日：2014-09-03
Applicant: LG ELECTRONICS INC.
Inventor： Kitae KIM , Jiwon KANG , Kilbom LEE , Heejin KIM
IPC: H04B7/06 , H04B7/0456
CPC classification number: H04B7/0617 , H04B7/0417 , H04B7/0456 , H04B7/0695
Abstract: A method for, at a transmitter, transmitting a signal to a receiver in a wireless communication system is disclosed. The method includes transmitting a first reference signal for omni-directionally providing a uniform reference beam to the receiver, transmitting a second reference signal for providing beams respectively corresponding to a predetermined number of sectors to the receiver, receiving, from the receiver, sector information selected based on the second reference signal and information about a beam gain difference between a beam corresponding to the selected sector and the reference beam, and performing beamforming for transmitting a signal to the receiver based on the sector information and the information about the beam gain difference.
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公开(公告)号：US20170048029A1
公开(公告)日：2017-02-16
申请号：US15307282
申请日：2015-04-30
Applicant: LG ELECTRONICS INC.
Inventor： Kilbom LEE , Jiwon KANG , Kitae KIM , Heejin KIM
CPC classification number: H04L5/0005 , H04B7/04 , H04B7/0413 , H04B7/06 , H04L5/00 , H04L27/26
Abstract: Disclosed are a communication method and a MIMO transmitter for measuring the inter-channel relationship of a plurality of resource elements (REs) on the basis of channel information of the plurality of REs, and dividing the plurality of REs in consideration of the measured inter-channel relationship, thereby forming one or more RE groups, and transmitting information on the RE groups to a MIMO receiver.
Abstract translation: 公开了一种通信方法和MIMO发送器，用于基于多个RE的信道信息来测量多个资源元素（RE）的信道间关系，并且考虑到所测量的多个RE之间的多个RE， 从而形成一个或多个RE组，并且将关于RE组的信息发送到MIMO接收机。
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公开(公告)号：US20160345257A1
公开(公告)日：2016-11-24
申请号：US15158064
申请日：2016-05-18
Applicant: LG ELECTRONICS INC.
Inventor： Kyungmin PARK , Jiwon KANG , Kitae KIM , Kilbom LEE , Heejin KIM
CPC classification number: H04B7/0808 , H01Q1/3275 , H01Q21/28 , H04B7/0404 , H04B7/0874 , H04W88/06
Abstract: The present document is for a wireless communication with reduced internal signaling burden in the distributed antenna system (DAS). In the proposed method, a user equipment (UE) receives signals, from the network, by multiple distributed unit (DUs) distributed within the UE, wherein the multiple DUs comprise one or more main DUs and one or more sub DUs; reports, by the sub DUs, first reception information of the signals to one of the main DUs; reports, by the one of the main DUs, second reception information of the signals to a central unit (CU) controlling the multiple DUs based on the first reception information of the signals; and determines, at the CU, which one or more DUs among the multiple DUs are to transfer the received signals to the CU based on the second reception information of the signals.
Abstract translation: 本文件用于在分布式天线系统（DAS）中减少内部信令负担的无线通信。 在所提出的方法中，用户设备（UE）通过分布在UE内的多个分布式单元（DU）从网络接收信号，其中多个DU包括一个或多个主要PDU和一个或多个子分组; 通过子DU将信号的第一接收信息报告给主DU之一; 根据信号的第一接收信息，通过主DU之一报告信号的第二接收信息到控制多个PDU的中央单元（CU）; 并且在所述CU中确定所述多个PDU中的哪一个或多个DU将所接收的信号传送到所述CU，基于所述信号的所述第二接收信息。
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30.发明公开公开(公告)号：US20240331544A1
公开(公告)日：2024-10-03
申请号：US18578598
申请日：2022-07-13
Applicant: LG Electronics Inc.
Inventor： Heejin KIM , Hakseong KIM , Hanbyul SEO
IPC: G08G1/16
Abstract: Disclosed are a method for performing collision assessment for a first terminal by a first device in a wireless communication system, and a device therefor according to various embodiments. Disclosed are a method and a device therefor, the method comprising the steps of receiving capability information from the first terminal; determining one mode among a first mode and a second mode related to performing of the collision assessment, on the basis of the capability information; and transmitting information on the one mode to the first terminal, wherein whether to perform collision assessment for the first terminal is determined on the basis of the one mode.
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