公开(公告)号：US20180270844A1

公开(公告)日：2018-09-20

申请号：US15532956

申请日：2015-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jiwon KANG ,  Kilbom LEE ,  Heejin KIM ,  Dongkyu KIM

IPC: H04W72/12 ,  H04W72/08 ,  H04L5/00 ,  H04W72/04 ,  H04W72/14

Abstract: Provided is a method for transmitting control information for hybrid beamforming in a wireless communication system. A base station groups a plurality of terminals on the basis of feedback information on analog beams, and multiplexes and transmits control information of terminals within each group by using a specific time-frequency resource. A plurality of terminals can be grouped on the basis of feedback information on a plurality of analog beams through various methods. In addition, control information of terminals within each group can be multiplexed through various methods.

公开(公告)号：US20180241457A1

公开(公告)日：2018-08-23

申请号：US15753536

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom LEE ,  Jiwon KANG ,  Kitae KIM ,  Kungmin PARK ,  Heejin KIM

IPC: H04B7/06 ,  H04W56/00 ,  H04W76/11

CPC classification number: H04B7/0639 ,  H04B7/06 ,  H04B7/0617 ,  H04B7/0695 ,  H04J13/0044 ,  H04W56/0015 ,  H04W76/11

Abstract: Disclosed are a beam scanning method and a base station, the method in which generated is a code book comprising a plurality of second precoders, defined by the weighted sums of a plurality of first precoders, and in which a plurality of synchronization signals, to which applied are second precoders that are selected from the code book and differ from each other, are transmitted to a terminal over a plurality of time intervals. The synchronization signals are used in synchronization, beam scanning and cell ID acquisition of the terminal, and each weighted sum applied to the plurality of first precoders indicates a beam ID used in the beam scanning.

公开(公告)号：US20180192464A1

公开(公告)日：2018-07-05

申请号：US15738542

申请日：2016-03-28

Applicant: LG ELECTRONICS INC.

Inventor： Kungmin PARK ,  Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Heejin KIM

IPC: H04W76/15 ,  H04B7/0413 ,  H04B7/06 ,  H04W48/20

CPC classification number: H04W76/15 ,  H04B7/0413 ,  H04B7/0697 ,  H04W48/20

Abstract: The present document is for a wireless communication using multiple antenna units based on new virtual user equipment (virtual UE) concept. A user equipment (UE), according to the present invention, receives service from a network in a wireless communication system by registering multiple antenna units of the UE as two or more virtual UEs with a first network entity of the network, wherein the first network entity is a network node for physical radio link control; and receiving the service from the network by the two or more virtual UEs. The two or more virtual UEs of the UE are recognized as one UE by network entities of the network other than the first network entity.

公开(公告)号：US20180184473A1

公开(公告)日：2018-06-28

申请号：US15738429

申请日：2016-01-20

Applicant: LG ELECTRONICS INC.

Inventor： Kyungmin PARK ,  Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Heejin KIM

IPC: H04W76/15 ,  H04W72/04 ,  H04L12/24

Abstract: Disclosed is a network connection method using a virtual UE system, comprising: establishing a connection with a base station with respect to a first DU group comprising one or more DUs; requesting a base station for an establishment of a connection with a second DU group comprising one or more Dus through an uplink channel assigned to the first DU group; and transmitting, to the base station through the uplink channel assigned to the second DU group, information informing that the connection with the second group has been established.

公开(公告)号：US20180183505A1

公开(公告)日：2018-06-28

申请号：US15737078

申请日：2016-01-14

Applicant: LG ELECTRONICS INC.

Inventor： Heejin KIM ,  Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Kyungmin PARK

IPC: H04B7/06 ,  H04W4/46 ,  H04B7/0452

CPC classification number: H04B7/0617 ,  H04B7/0408 ,  H04B7/0452 ,  H04B7/0626 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/0695 ,  H04L5/0048 ,  H04W4/08 ,  H04W4/46

Abstract: The present specification relates to a method by which a terminal designs a hierarchical structure precoder in a vehicle-to-vehicle communication system. The method for designing a hierarchical structure precoder can comprise the steps of: receiving group information indicating a terminal group on the basis of a direction of a first-type beam; feeding back preference information on the first-type beam on the basis of the group information; receiving first-type beam information determined on the basis of the preference information; designing a hierarchical structure precoder including a first precoder and a second precoder, on the basis of the received first-type beam information; and feeding back channel information on the basis of the hierarchical structure precoder, wherein the first precoder can be precoder information on the first-type beam direction, and the second precoder can be precoder information on a second-type beam direction in the first-type beam direction.

公开(公告)号：US20180076870A1

公开(公告)日：2018-03-15

申请号：US15558150

申请日：2015-07-27

Applicant: LG ELECTRONICS INC.

Inventor： Heejin KIM ,  Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Kungmin PARK

IPC: H04B7/06 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04B7/0626 ,  H04B7/04 ,  H04B7/0478 ,  H04B7/06 ,  H04B7/0617 ,  H04B7/0632 ,  H04B7/0639 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0057 ,  H04W72/0413

Abstract: The present specification relates to a method by which a terminal feeds back CSI information in a wireless communication system to which 3D beamforming is applied, the method comprising the steps of: receiving a pilot signal (reference signal) from a base station; setting a CSI transmission mode; and feeding back the CSI information on the basis of the set CSI transmission mode, wherein in the CSI transmission mode, the CSI information can be fed back through either: a first transmission mode transmitting the CSI information including PMI information on either vertical beamforming or horizontal beamforming, or a second transmission mode transmitting the CSI information including PMI information on both the vertical beamforming and the horizontal beamforming.

公开(公告)号：US20180045821A1

公开(公告)日：2018-02-15

申请号：US15551435

申请日：2016-01-20

Applicant: LG Electronics Inc.

Inventor： Kilbom LEE ,  Jiwon KANG ,  Kitae KIM ,  Kyungmin PARK ,  Heejin KIM

IPC: G01S13/50 ,  H04W72/12 ,  H04J11/00 ,  H04W84/02

CPC classification number: G01S13/505 ,  H04J11/00 ,  H04L25/03821 ,  H04L27/2657 ,  H04L27/2676 ,  H04W72/1278 ,  H04W84/02

Abstract: Disclosed is a Doppler measurement method comprising: generating a first function defined by reception signals in two consecutive subcarriers for a specific OFDM symbol; generating a second function defined on the basis of the signs and sizes of a real part and an imaginary part of the first function; repeatedly performing a process of generating the first function and the second function for all of a set of OFDM symbols; and determining, as a Doppler value, the phase of a third function obtained by adding the results of repeatedly performing the process.

公开(公告)号：US20180041262A1

公开(公告)日：2018-02-08

申请号：US15555929

申请日：2015-12-16

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Kungmin PARK ,  Heejin KIM

IPC: H04B7/06

CPC classification number: H04B7/0617 ,  H04B7/0413 ,  H04B7/063 ,  H04B7/0695

Abstract: A method of transmitting a signal, which is transmitted by a transmitting end in a wireless communication system, is disclosed in the present specification. Specifically, the method includes the steps of receiving Doppler information on a plurality of transmission beams from a receiving end; selecting a beam combination using the received Doppler information, wherein the beam combination is selected from a plurality of beam combinations depending on effective Doppler spread values of the beam combinations, wherein each of the beam combinations consists of two or more transmission beams among the plurality of transmission beams; and transmitting the signal to the receiving end using at least one transmission beam included in the selected beam combination.

公开(公告)号：US20170310377A1

公开(公告)日：2017-10-26

申请号：US15513419

申请日：2015-03-31

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Heejin KIM

IPC: H04B7/06 ,  H04B7/0452 ,  H04L25/02

CPC classification number: H04B7/0626 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0478 ,  H04B7/0617 ,  H04L25/0224

Abstract: In the present application, a method for reporting channel status information (CSI) for multi-antenna-based beamforming by a terminal in a wireless communication system is disclosed. Specifically, the method comprises the steps of: receiving reference signal configuration information including two or more reference signal resources through an upper layer; receiving CSI process information through the upper layer; receiving a reference signal from a base station on the basis of the reference signal configuration information; and calculating the CSI on the basis of the CSI process information and the received reference signal and reporting the CSI to the base station, wherein the CSI process information includes a reference signal type indicator indicating a mapping relationship between the reference signal configuration information and multiple antennas.

公开(公告)号：US20170230159A1

公开(公告)日：2017-08-10

申请号：US15501754

申请日：2014-08-06

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Jinmin KIM ,  Kukheon CHOI ,  Jaehoon CHUNG ,  Kitae KIM

IPC: H04L5/00 ,  H04L5/14

CPC classification number: H04L5/0048 ,  H04B7/26 ,  H04B15/00 ,  H04J11/00 ,  H04L5/0053 ,  H04L5/14

Abstract: The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A method by which a first UE receives a signal from a base station in a wireless access system supporting FDR transmission, according to one embodiment of the present invention, can comprise the steps of: receiving a first reference signal from the base station; calculating first channel information on self-interference by using the first reference signal; receiving a second reference signal from the base station, and receiving a third reference signal from a second UE at the same time as the second reference signal; calculating second channel information from which the self-interference is cancelled, on the basis of the second reference signal, the third reference signal and the first channel information; and receiving the signal by using the second channel information and third channel information on a channel receiving the signal.