公开(公告)号：US10680777B2

公开(公告)日：2020-06-09

申请号：US16320452

申请日：2017-07-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Joonkui Ahn

IPC: H04W4/00 ,  H04L5/00 ,  H04W64/00 ,  H04W4/80 ,  H04L27/26 ,  H04W24/10 ,  H04W72/04 ,  H04W88/06 ,  H04W88/10

Abstract: In the transmission of a narrowband positioning reference signal (NPRS), by a base station, in a cellular mobile communication system supporting narrowband-Internet of Things (NB-IoT), the base station transmits an NPRS by using a predetermined part of a sequence defined by a generation formula, which is the same as a positioning reference signal (PRS) generation formula, and when a PRS and the NPRS are transmitted through the same cell, the base station transmits, to a terminal, information indicating whether the PRS and the NPRS can be used together.

公开(公告)号：US10673671B2

公开(公告)日：2020-06-02

申请号：US15756495

申请日：2016-09-02

Applicant: LG ELECTRONICS INC.

Inventor： Yunjung Yi ,  Bonghoe Kim ,  Hyunsoo Ko

IPC: H04L27/26 ,  H04W48/16 ,  H04W4/70 ,  H04L29/08 ,  H04W72/12 ,  H04W74/08 ,  H04J11/00 ,  H04W24/10 ,  H04W36/24 ,  H04W48/18 ,  H04W4/80 ,  H04W76/27 ,  H04W72/14

Abstract: A method and apparatus for performing a cell search in a wireless communication system is provided. A narrowband user equipment (NB UE) performs the cell search at a specific frequency with a fixed frequency offset, and moves to the specific frequency with the fixed frequency offset and a channel raster.

公开(公告)号：US10608801B2

公开(公告)日：2020-03-31

申请号：US16375645

申请日：2019-04-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Kijun Kim

IPC: H04W4/00 ,  H04L5/00 ,  H04L27/26 ,  H04B7/0417 ,  H04L1/00 ,  H04W72/04 ,  H04B7/04 ,  H04W56/00

Abstract: The present invention discloses a method for transmitting a reference signal and a device therefor in a wireless communication system. In particular, the method maps and transmits a DMRS signal to at least one OFDM symbol in a resource region for uplink data, and in the at least one OFDM symbol, a resource element to which the DMRS signal has not been mapped cannot be used for the uplink data.

公开(公告)号：US10608800B2

公开(公告)日：2020-03-31

申请号：US16065108

申请日：2018-01-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Kijun Kim

IPC: H04W4/00 ,  H04L5/00 ,  H04L27/26 ,  H04B7/0417 ,  H04L1/00 ,  H04W72/04 ,  H04W56/00

Abstract: The present invention discloses a method for transmitting a reference signal and a device therefor in a wireless communication system. In particular, the method maps and transmits a DMRS signal to at least one OFDM symbol in a resource region for uplink data, and in the at least one OFDM symbol, a resource element to which the DMRS signal has not been mapped cannot be used for the uplink data.

公开(公告)号：US10574425B2

公开(公告)日：2020-02-25

申请号：US16065769

申请日：2017-06-28

Applicant: LG Electronics Inc.

Inventor： Eunsun Kim ,  Kijun Kim ,  Yunjung Yi ,  Joonkui Ahn ,  Byounghoon Kim ,  Hyunsoo Ko

IPC: H04L5/00 ,  H04L27/26

Abstract: In the present invention, a part of a first demodulation reference signal sequence generated on the basis of a basic subcarrier interval (hereinafter, a first subcarrier interval) is used for a second subcarrier interval which is K times the first subcarrier interval. Values selected one for every K from among values constituting the first demodulation reference signal sequence may be used as values constituting a second demodulation reference signal sequence for the second subcarrier interval.

公开(公告)号：US10523393B2

公开(公告)日：2019-12-31

申请号：US15780087

申请日：2017-09-29

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom Lee ,  Hyunsoo Ko ,  Kyuseok Kim ,  Kijun Kim

IPC: H04L5/00 ,  H04L1/00 ,  H04L7/00 ,  H04L27/22 ,  H04B17/309

Abstract: A method for receiving control information for a reference signal related to phase noise estimation by a user equipment (UE), the method including receiving control information indicating whether the reference signal related to the phase noise estimation is transmitted; and when the control information indicates that the reference signal is transmitted, receiving the reference signal based on the control information. When a size of a traffic resource block (RB) for the UE is greater than a predetermined value, the control information indicates the reference signal is transmitted.

公开(公告)号：US10511364B2

公开(公告)日：2019-12-17

申请号：US16318114

申请日：2017-08-03

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Hanbyul Seo ,  Kijun Kim ,  Jiwon Kang ,  Seungmin Lee ,  Haewook Park ,  Jonghyun Park ,  Suckchel Yang ,  Hyunsoo Ko

IPC: H04B7/02 ,  H04B7/0456 ,  H04L5/00 ,  H04W88/08 ,  H04W88/02

Abstract: The present invention relates to a method for transmitting, by a terminal, a signal in a wireless communication system supporting Multiple Input Multiple Output (MIMO) and an apparatus therefor. Specifically, the method comprises the steps for: generating precoded sounding reference signals (SRS) on the basis of N antenna elements combined with M transceivers (where M and N are natural numbers, M

公开(公告)号：US10404315B2

公开(公告)日：2019-09-03

申请号：US15244695

申请日：2016-08-23

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim Lee ,  Dongkyu Kim ,  Hyunsoo Ko ,  Kwangseok Noh ,  Hojae Lee

IPC: H04B1/525 ,  H04L5/14 ,  H04B1/48

Abstract: A method for performing self-interference cancellation (SIC) by an apparatus of a full duplex radio (FDR) mode in a wireless communication system including: performing a channel estimation of a received self-interference reference signal; calculating a power value of two order components of a non-linear self-interference signal based on the channel estimation; and establishing a non-linear digital self-interference cancellation order to be considered in the self-interference cancellation based on the power value of each for the two order components.

公开(公告)号：US10389466B2

公开(公告)日：2019-08-20

申请号：US15511221

申请日：2014-09-22

Applicant: LG ELECTRONICS INC.

Inventor： Kungmin Park ,  Heejeong Cho ,  Hyunsoo Ko ,  Hyeyoung Choi ,  Ilmu Byun

IPC: H04J11/00 ,  H04L5/00 ,  H04B7/024 ,  H04B7/06 ,  H04L27/26 ,  H04B7/0456 ,  H04W88/08

Abstract: The present invention provides a method for mitigating inter-cell interference. To this end, the present invention includes a second signal transmission step in which, when a transmission symbol to be transmitted to a first receiver is S and a transmission symbol to be transmitted to a second receiver is Z, a symbol S2k (k is an integer) is transmitted to the first receiver through a first transmission antenna according to a first pattern, a symbol S2k* is transmitted to the first receiver through a second transmission antenna, a symbol S2k+1 is transmitted to the first receiver through a third transmission antenna, a symbol S2k+1* is transmitted to the first receiver through a fourth transmission antenna, and symbols Z4k to Z4k+3 and symbols Z4k* to Z4k+3* are transmitted to the second receiver through fifth to eighth transmission antennas according to a second pattern different from the first pattern.

公开(公告)号：US10367663B2

公开(公告)日：2019-07-30

申请号：US15755413

申请日：2016-05-24

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu Kim ,  Hyunsoo Ko ,  Kwangseok Noh ,  Sangrim Lee ,  Hojae Lee

IPC: H04W52/24 ,  H04L25/03 ,  H04L25/02 ,  H04L27/26 ,  H04W72/08

Abstract: A method for cancelling self-interference by a base station that uses a full duplex radio (FDR) scheme may comprise the steps of: transmitting, to a terminal, information associated with reference signal (RS) power boosting, which has been changed for estimation of a self-interference channel; transmitting an RS on the basis of the changed RS power boosting; estimating the self-interference channel according to the RS; and cancelling the self-interference on the basis of the estimation of the self-interference channel.