公开(公告)号：US20170303224A1

公开(公告)日：2017-10-19

申请号：US15516606

申请日：2016-02-23

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Hyunsoo KO ,  Kwangseok NOH ,  Dongkyu KIM ,  Sangrim LEE

IPC: H04W56/00 ,  H04W74/08

CPC classification number: H04L27/26 ,  H04B7/0695 ,  H04L5/0026 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2692 ,  H04L43/04 ,  H04L43/08 ,  H04W8/005 ,  H04W48/12 ,  H04W56/00 ,  H04W56/0005 ,  H04W56/0045 ,  H04W74/08 ,  H04W74/0833

Abstract: A method for performing uplink synchronization by a terminal in a millimeter wave (mmWave)-based wireless communication system according to an embodiment of the present invention comprises the steps of: repeatedly transmitting a first type random access preamble through a plurality of coarse beams that are sequentially formed for different directions; performing a first timing advance (TA) adjustment on the basis of a response of a base station with respect to a repeated transmission of the first type random access preamble; and transmitting a second type random access preamble through at least one fine beam having a smaller beam width than the coarse beams, wherein the sequence of the second type random access preamble transmitted after the first TA adjustment is configured to be shorter than the sequence of the first type random access preamble on the time axis.

公开(公告)号：US20170264465A1

公开(公告)日：2017-09-14

申请号：US15249119

申请日：2016-08-26

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Jaehoon CHUNG ,  Kwangseok NOH ,  Dongkyu KIM ,  Hojae LEE

IPC: H04L25/02 ,  H04L5/14 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04L25/0224 ,  H04L5/0051 ,  H04L5/0094 ,  H04L5/1469 ,  H04L25/023

Abstract: A method for transmitting information related to a sounding reference signal (SRS) transmission by a base station (BS) of a full duplex radio (FDR) mode in a wireless communication system includes: transmitting information related to a resource region to be used for the SRS transmission to a user equipment of the FDR mode within a resource region configured as an uplink (UL) idle interval; receiving a SRS through the resource region for the SRS transmission from the user equipment; performing an uplink (UL) channel estimation based on the received SRS; and performing a downlink (DL) channel estimation by applying a channel reciprocity characteristic to a result of the uplink (UL) channel estimation.

公开(公告)号：US20170222754A1

公开(公告)日：2017-08-03

申请号：US15009234

申请日：2016-01-28

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Ilmu BYUN ,  Dongkyu KIM

IPC: H04L1/00

CPC classification number: H04L1/0045 ,  H04L1/0057 ,  H04L1/0061

Abstract: A data decoding method using an error correction method based on a log-likelihood ratio (LLR) is disclosed. The method includes decoding a transport block based on a first error correction code, calculating a log-likelihood ratio (LLR) for each symbol of the decoded data, when the CRC of the decoded data fails, transmitting information of a symbol determined as error based on the LLR and the decoded transport block to a higher layer, and decoding the information of the symbol determined as error and the transport block based on a second error correction code, in a higher layer.

公开(公告)号：US20170041121A1

公开(公告)日：2017-02-09

申请号：US15230303

申请日：2016-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Dongkyu KIM ,  Hyunsoo KO ,  Sangrim LEE ,  Hojae LEE

IPC: H04L5/14 ,  H04W52/32 ,  H04W52/14 ,  H04W72/04

CPC classification number: H04W52/146 ,  H04W52/243 ,  H04W52/325 ,  H04W52/362

Abstract: A method of transmitting a power control factor by a device performing self-interference cancellation (SIC) in a wireless communication system using full-duplex radio (FDR) according to the present invention includes: transmitting, to a user equipment (UE), a first indicator indicating a power control for purpose of reducing an order to be considered as nonlinear components of a self-interference signal; and receiving, from the UE, a second indicator indicating whether the power control for the purpose of reducing the order to be considered as the nonlinear components of the self-interference signal is accepted or not in response to the first indicator.

Abstract translation: 根据本发明的在使用全双工无线电（FDR）的无线通信系统中通过执行自干扰消除（SIC）的设备发送功率控制因子的方法包括：向用户设备（UE）发送 第一指示符，指示用于减少要被认为是自干扰信号的非线性分量的顺序的功率控制; 以及从所述UE接收第二指示符，所述第二指示符响应于所述第一指示符是否接受用于为了减少被认为是所述自干扰信号的非线性分量的顺序的功率控制。

公开(公告)号：US20220278440A1

公开(公告)日：2022-09-01

申请号：US17753171

申请日：2019-08-23

Applicant: LG ELECTRONICS INC. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Dongkyu KIM ,  Byung-Wook MIN ,  Kyutae PARK ,  Donghyun LEE

IPC: H01Q1/24 ,  H01Q1/52 ,  H01Q5/50

Abstract: An antenna device comprises: a first antenna; a second antenna; and a plurality of single decoupling network circuits DN_1-DN_n which electromagnetically connect the first antenna and second antenna and remove a self-interference signal, wherein a multi-stage decoupling network circuit in which the DN_1-DN_n are dependent-connected can be configured such that a Y21 parameter of the multi-stage decoupling network circuit becomes equal to or lower than a predetermined value on frequencies f_1-f_n, respectively.

公开(公告)号：US20210409127A1

公开(公告)日：2021-12-30

申请号：US16476520

申请日：2018-01-04

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Yunjung YI

IPC: H04B15/00 ,  H04B17/345

Abstract: A method for a transmission and reception point (TRP) for controlling cross-link interference comprises the steps of: determining a timing advance (TA) value, for measuring or eliminating cross-link interference, in a set subframe if a section in which cross-link interferences occur between the TRP and one or more adjacent TRPs is configured; and transmitting the determined TA value in the set subframe to a terminal, wherein the section in which cross-link interference occurs can correspond to a section that is configured as an uplink section for the TRP, and as a downlink transmission section for the one or more adjacent TRPs.

公开(公告)号：US20210067307A1

公开(公告)日：2021-03-04

申请号：US16961232

申请日：2018-01-15

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Ilmu Byun

IPC: H04L5/14 ,  H04L5/00 ,  H04B7/0404 ,  H04B15/02 ,  H04W72/04

Abstract: A method for performing self-interference cancellation by a terminal may comprise the steps of: receiving RS configuration information for phase estimation of self-interference from a base station; when the terminal operates, with a distributed antenna structure, in a full duplex radio (FDR) mode or operates in a space division duplex (SDD) mode between panels, transmitting an RS on the basis of the RS configuration information; and performing phase estimation for self-interference between the panels on the basis of the RS. The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, a base station or a network.

公开(公告)号：US20210044413A1

公开(公告)日：2021-02-11

申请号：US17001570

申请日：2020-08-24

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Kwangseok Noh ,  Sangrim Lee ,  Hojae Lee

IPC: H04L5/16 ,  H04L5/00 ,  H04L5/14 ,  H04W72/04

Abstract: A method for allocating resources by a Base Station (BS) in a wireless communication system is disclosed. The method includes configuring a Resource Block Group (RBG) dependent on whether a User Equipment (UE) operates in Full Duplex Radio (FDR) mode or Half Duplex (HD) mode, and allocating resources to the UE in units of the configured RBG. The RBG includes a plurality of Resource Blocks (RBs).

公开(公告)号：US20200343944A1

公开(公告)日：2020-10-29

申请号：US16762033

申请日：2017-11-15

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Ilmu BYUN

IPC: H04B7/0408 ,  H04W24/08 ,  H04W72/04

Abstract: A method for a distributed antenna-based communication device to perform communication based on inter-panel interference may comprise: a step of measuring interference between transmission beams of a transmission panel and reception beams of a reception panel; a step of configuring inter-panel beam pair information by pairing the beams of the transmission panel and the beams of the reception panel on the basis of the measurement; and a step of transmitting the inter-panel beam pair information to a base station or an adjacent communication device.

公开(公告)号：US20190335471A1

公开(公告)日：2019-10-31

申请号：US16309415

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Kwangseok NOH ,  Sangrim LEE ,  Hojae LEE

IPC: H04W72/08 ,  H04L5/00 ,  H04L1/18 ,  H04L5/14 ,  H04L1/00 ,  H04L5/16

Abstract: A method for performing a Hybrid Automatic Repeat request (HARQ) procedure by a terminal operating in an FDR mode in a wireless communication system comprises the steps of: receiving a downlink signal from a base station; and transmitting feedback information including a NACK signal for the downlink signal to the base station, wherein the feedback information may further include an indicator indicating that the reason for transmitting the NACK signal is that the terminal has failed to remove a self-interference signal.