公开(公告)号：US20180160432A1

公开(公告)日：2018-06-07

申请号：US15578512

申请日：2016-01-26

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04W72/082 ,  H04B1/525 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0094 ,  H04L5/14 ,  H04L25/02 ,  H04L25/03 ,  H04W72/044

Abstract: A method for transmitting reference signal (RS) allocation mode information by a device operating in a full duplex radio (FDR) mode comprises the steps of: determining to change an RS allocation mode from a first RS allocation mode to a second RS allocation mode for nonlinear component estimation of a residual self-interference signal after antenna and analog self-interference cancellation; and transmitting information about the changed second RS allocation mode to a counterpart node, wherein the first RS allocation mode and second RS allocation mode are distinguished from each other on the basis of whether or not RSs, used for nonlinear component estimation of the residual self-interference signal, are additionally transmitted.

公开(公告)号：US20180091346A1

公开(公告)日：2018-03-29

申请号：US15563485

申请日：2015-10-14

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hyunsoo KO ,  Jaehoon CHUNG ,  Kwangseok NOH ,  Dongkyu KIM

IPC: H04L27/26

CPC classification number: H04L27/265 ,  H04L27/2605 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2665

Abstract: A method for a receiving side processing a signal in a wireless communication system according to the present invention may comprise the steps of: receiving, from a transmitting side, information for the length, in a band where the receiving side is allocated, of a band pass filter to be applied to a transmission signal of the transmitting side and the length of the greatest band pass filter applied to a time interval identical to the transmission signal; and on the basis of the information for the length of a band pass filter to be applied to a transmission signal of the transmitting side and the length of the greatest band pass filter applied to a time interval identical to the transmission signal, setting an N Fast Fourier Transform (FFT) window starting point for detecting the transmission signal.

公开(公告)号：US20180083717A1

公开(公告)日：2018-03-22

申请号：US15559256

申请日：2016-03-18

Applicant: LG ELECTRONICS INC.

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

IPC: H04B15/02 ,  H04B1/54 ,  H04W52/04

CPC classification number: H04B15/02 ,  H04B1/525 ,  H04B1/54 ,  H04W52/04

Abstract: An apparatus for removing self-interference in an environment supporting an FDR method according to the present invention may comprise: an analogue self-interference removal unit that is constructed to remove a first analogue self-interference by subtracting a self-interference signal received through a first delay circuit connected between an RF transmission chain and an RF reception chain of the apparatus from a self-interference signal received at a first circuit of the RF reception chain of the apparatus, and that is constructed to remove a second analogue self-interference by subtracting a self-interference signal received through a second delay circuit connected between the RF transmission chain and the RF reception chain of the apparatus from a self-interference signal received at a second circuit of the RF reception chain of the apparatus; and a processor that is constructed to determine whether the first and the second analogue self-interference removals were respectively successful on the basis of the respective residual self-interference signals that are left after removing the first and the second analogue self-interferences.

公开(公告)号：US20180070192A1

公开(公告)日：2018-03-08

申请号：US15691481

申请日：2017-08-30

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Byounghoon KIM

IPC: H04W4/00 ,  H04W72/04 ,  H04L27/26 ,  H04W52/02 ,  H04W72/08

CPC classification number: H04W4/70 ,  H04L27/2628 ,  H04W52/0225 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/085 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/25

Abstract: A method for transmitting an uplink signal by a user equipment on a carrier where multiple subbands, each having different subcarrier spacing, are multiplexed may include: generating M modulated symbols by modulating uplink data; repeating the M modulated symbols in both upper and lower frequency blocks, which are adjacent to a predetermined frequency block for the M modulated symbols and have the same size as that of the predetermined frequency block; obtaining a tapered pulse by multiplying a total of 3M modulated symbols, which are a result of the repetition, and a total of 3M windowing weight values in an element-wise manner; and transmitting the tapered pulse after performing an inverse Fourier transform, wherein the user equipment can restrict leakage power to subbands unsynchronized with its operating subband to be equal to or lower than a threshold by adjusting a tapering length of the tapered pulse.

公开(公告)号：US20180042045A1

公开(公告)日：2018-02-08

申请号：US15555058

申请日：2015-03-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/02 ,  H04W16/14 ,  H04W74/08

CPC classification number: H04W74/02 ,  H04B7/063 ,  H04B7/0695 ,  H04W16/14 ,  H04W16/28 ,  H04W48/16 ,  H04W74/08 ,  H04W88/10

Abstract: The present invention relates to methods for determining whether to perform millimeter wave (mmWave) scanning in a mmWave system, and a device supporting same. The method for a terminal performing mmWave scanning in a wireless access system supporting mmWave technology, according to one embodiment of the present invention, comprises the steps of: attempting to detect a mmWave pilot signal by monitoring a mmWave pilot detection window in a mmWave band; and transmitting, to an uplink of a legacy band, a feedback signal for indicating whether the mmWave pilot signal is detected, wherein the method may further comprise the step of, if the mmWave pilot signal is detected, performing mmWave ray scanning with a base station, or the step of, if the mmWave pilot signal is not detected, determining whether to perform mmWave beam scanning or whether to perform legacy communication.

公开(公告)号：US20180041988A1

公开(公告)日：2018-02-08

申请号：US15555010

申请日：2016-04-25

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/02 ,  H04W72/04 ,  H04W56/00

CPC classification number: H04W72/02 ,  H04J11/0036 ,  H04L1/0001 ,  H04L1/1854 ,  H04L5/0014 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0055 ,  H04L5/0069 ,  H04L5/008 ,  H04L5/0091 ,  H04W4/70 ,  H04W56/00 ,  H04W56/001 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446

Abstract: A method for supporting a sporadic high-capacity packet service by a terminal may comprise the steps of: receiving, from a base station, control information including pre-defined timing information for synchronization and resource allocation information associated with the terminal; when uplink traffic occurs, performing transmission synchronization on the basis of the pre-defined timing information for synchronization; selecting a resource for uplink data transmission on the basis of the resource allocation information; and transmitting uplink data through the selected resource.

公开(公告)号：US20180019775A1

公开(公告)日：2018-01-18

申请号：US15545667

申请日：2015-10-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04B1/12 ,  H04L5/14 ,  H04L5/00

CPC classification number: H04B1/12 ,  H04B1/525 ,  H04B1/56 ,  H04B7/0857 ,  H04B15/02 ,  H04B17/14 ,  H04B17/345 ,  H04L1/00 ,  H04L1/12 ,  H04L5/0044 ,  H04L5/0055 ,  H04L5/14 ,  H04L5/1461

Abstract: A method for removing a self-interference signal by a device supporting an FDR mode can further comprise the steps of: transmitting a signal to a counterpart node in a predetermined time interval; generating, in an RF stage of the device, a residual self-interference signal after removal of an analog self-interference signal with respect to the signal and then storing same; and receiving from the counterpart node an ACK/NACK signal with respect to the transmission of the signal; and determining whether or not the stored residual self-interference signal is to be used thereafter on the basis of the ACK/NACK signal.

公开(公告)号：US20170279464A1

公开(公告)日：2017-09-28

申请号：US15466355

申请日：2017-03-22

Applicant: LG ELECTRONICS INC.

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

IPC: H03M13/25 ,  H03M13/09 ,  H03M13/11

CPC classification number: H03M13/09 ,  H03M13/116 ,  H03M13/2906 ,  H03M13/353 ,  H03M13/6525

Abstract: A method of low-density parity check (LDPC) code encoding and an apparatus therefor are disclosed. The LDPC code encoding method includes determining whether code block cyclic redundancy check (CRC) is attached to a code block based on a channel state or a required error rate. Signal overhead is reduced via selective application of the code block CRC.

公开(公告)号：US20250132960A1

公开(公告)日：2025-04-24

申请号：US19005562

申请日：2024-12-30

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hojae LEE

IPC: H04L27/227 ,  H04L5/00 ,  H04L27/20

Abstract: Disclosed are a multi-layer transmission and reception method in a communication system based on 1-bit quantization in a wireless communication system, and an apparatus for supporting same. Particularly, a method by which a first device transmits and receives a signal in a wireless communication system comprises the steps of: receiving a reference signal (RS) from a second device; generating a demodulation reference vector on the basis of the RS; and receiving a data signal from the second device by using the demodulation reference vector, wherein the RS can be generated differently according to the modulation of the data signal.

公开(公告)号：US20250055739A1

公开(公告)日：2025-02-13

申请号：US18722430

申请日：2021-12-22

Applicant: LG ELECTRONICS INC.

Inventor： Kyung Ho LEE ,  Sangrim LEE ,  Bonghoe KIM ,  Eunjong LEE ,  Hojae LEE

IPC: H04L27/26 ,  H04L5/00

Abstract: The present disclosure is an embodiment of a method for operating a terminal, and the method for operating a terminal in a wireless communication system includes requesting, by the terminal, reference signal (RS) group-related configuration information to a base station, receiving RS group-related configuration information from the base station, learning a first parameter related to a meta-learning learning model based on the RS group-related configuration information, and receiving, by the terminal, a RS from the base station or transmitting a RS to the base station based on the first parameter. The RS group-related configuration information includes pattern information, an identifier and a weight value of at least one of a demodulation-reference signal (DM-RS), a phase-tracking reference signal (PTRS), a channel status information-reference signal (CSI-RS), a positioning reference signal (PRS), a synchronization signal block (SSB), a sounding reference signal (SRS), and a meta-learning RS.