公开(公告)号：US20230318691A1

公开(公告)日：2023-10-05

申请号：US18022436

申请日：2020-08-19

Applicant: LG ELECTRONICS INC.

Inventor： Kijun JEON ,  Sangrim LEE ,  Hojae LEE ,  Kyungho LEE ,  Ikjoo JUNG

IPC: H04B7/08 ,  H04B7/0413 ,  G06N3/08

CPC classification number: H04B7/0868 ,  H04B7/0413 ,  G06N3/08

Abstract: Disclosed is a method for controlling, by a terminal, an operation of a deep neural network in a wireless communication system. The method according to an embodiment of the present disclosure receives a downlink from abase station in a wireless communication system; and preprocesses the downlink on the basis of the result of an operation of a deep neural network of a terminal, wherein at least one reference signal is applied to the downlink while a statistical feature related to noise of the downlink are maintained. The terminal of the present disclosure may be linked to an artificial intelligence module, a drone (unmanned aerial vehicle (UAV)), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to 6G services, and the like.

公开(公告)号：US20230318662A1

公开(公告)日：2023-10-05

申请号：US18042107

申请日：2020-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Kijun JEON ,  Sangrim LEE ,  Hojae LEE ,  Ikjoo JUNG ,  Taehyun LEE

IPC: H04B7/0404 ,  G06N3/045 ,  H04B7/0452

CPC classification number: H04B7/0404 ,  G06N3/045 ,  H04B7/0452

Abstract: Disclosed is a method by which a terminal controls the calculations of a deep neural network in a wireless communication system. A method according to one embodiment of the present disclosure receives a downlink from a base station of a wireless communication system by using a multi input multi output (MIMO) operation, pre-processes the downlink on the basis of a result of calculations of a deep neural network in a terminal, acquires the number of a plurality of transmission antennas connected to the terminal, acquires the number of a plurality of reception antennas connected to the terminal, and forms a plurality of overlapping neural networks overlapping in the deep neural network, on the basis of a preset number of reference antennas, the number of transmission antennas, and the number of reception antennas. The terminal of the present disclosure can be linked to an artificial intelligence module, a drone (unmanned aerial vehicle (UAV)), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to 6G services, and the like.

公开(公告)号：US20230299825A1

公开(公告)日：2023-09-21

申请号：US18013865

申请日：2020-07-09

Applicant: LG ELECTRONICS INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sangmi NOH ,  Jaehoon CHUNG ,  Sangrim LEE ,  Seongjae KIM ,  Dangoh KIM ,  Seungwon KEUM ,  Juyong LEE ,  Dongho CHO

IPC: H04B7/06 ,  H01Q3/40

CPC classification number: H04B7/0617 ,  H01Q3/40

Abstract: According to an embodiment of the present disclosure, a beamforming method performed by a wireless device having an array antenna in a wireless communication system comprises the steps of: calculating a phase related to a target beamforming direction; determining antenna patterns related to the target beamforming direction from among antenna patterns preconfigured in relation to beamforming; and applying, to the array antenna, an antenna pattern based on the phase from among the antenna patterns related to the target beamforming direction. Each antenna included in the array antenna includes multiple feeding points and a variable reactance element connected to at least one feeding point among the multiple feeding points. The antenna pattern is related to at least one of i) a selection of at least one feeding point among the multiple feeding points and ii) a reactance value of the variable reactance element.

公开(公告)号：US20230283384A1

公开(公告)日：2023-09-07

申请号：US18003955

申请日：2020-07-02

Applicant: LG ELECTRONICS INC.

Inventor： Byungkyu AHN ,  Sangrim LEE ,  Hojae LEE ,  JaYeong KIM

IPC: H04B10/70

CPC classification number: H04B10/70

Abstract: The present specification provides a method and a device, the method, performed by a device, for transmitting a first pulse train in a quantum communication system being characterized by: receiving a random access (RA) preamble from another device; transmitting an RA response (RAR) to the other device as a response to the RA preamble; performing a radio resource control (RRC) connection process with the other device; receiving data from the other device; and decoding the data on the basis of key information, wherein a first pulse train is generated in a laser diode of the device, and the key information is determined on the basis that the first pulse train passes through both a first path and a second path and is then transmitted from the device to the other device via a quantum channel.

公开(公告)号：US20230236278A1

公开(公告)日：2023-07-27

申请号：US18002210

申请日：2020-06-19

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hojae LEE ,  Kijun JEON

IPC: G01S3/04 ,  G01S3/48

CPC classification number: G01S3/043 ,  G01S3/48

Abstract: Provided are a device and a method for estimating an angle of arrival (AoA) and an angle of departure (AoD) in a communication system having 1-bit quantization.

公开(公告)号：US20230179465A1

公开(公告)日：2023-06-08

申请号：US18000352

申请日：2020-06-01

Applicant: LG ELECTRONICS INC.

Inventor： Hojae LEE ,  Sangrim LEE ,  Bonghoe KIM ,  Sunam KIM ,  Kijun JEON ,  Byungkyu AHN

IPC: H04L27/26 ,  H04B10/11 ,  H04B10/40 ,  H04L7/00

CPC classification number: H04L27/2662 ,  H04B10/11 ,  H04B10/40 ,  H04L7/0075

Abstract: The present specification provides a method, performed by a device, for transmitting information about a pencil beam timing offset in a wireless optical communication system, in which a reference synchronization time is obtained, wherein the reference synchronization time is obtained on the basis of a cell-reference synchronization signal (C-RSS) received from another device, a peak energy time is obtained, the pencil beam timing offset is obtained on the basis of the reference synchronization time and the peak energy time, and information about the pencil beam timing offset is transmitted to the other device.

公开(公告)号：US20220278755A1

公开(公告)日：2022-09-01

申请号：US17637420

申请日：2019-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Byounghoon KIM ,  Sungjin KIM

IPC: H04B10/556 ,  H04B10/67 ,  H04L27/233 ,  G06N3/04

Abstract: The present disclosure relates to a method for transmitting or receiving a signal by a reception device in a wireless communication system, and the method may comprise the steps of: receiving, from a transmission device, a signal modulated on the basis of a differential phase shift keying (DPSK) scheme; converting the received signal into an input signal of a spiking neural network (SNN); calculating an output value through the spiking neural network previously learned; and converting the output value into an input signal of a channel decoder.

公开(公告)号：US20220085884A1

公开(公告)日：2022-03-17

申请号：US17425210

申请日：2019-01-30

Applicant: LG Electronics Inc.

Inventor： Hojae LEE ,  Dongkyu KIM ,  Bonghoe KIM ,  Sangrim LEE ,  Woonghee LEE ,  Kijun JEON

IPC: H04B10/116 ,  H04B10/54 ,  H04B10/69

Abstract: Proposed is a signal transmission method for a transmitting end performing visible light communication. The signal transmission method for a transmitting end performing visible light communication comprises: a step of modulating a signal; and a step of applying analog dimming control on the modulated signal and transmitting same. Meanwhile, the analog dimming control may include biasing of the modulated signal, and scaling of the modulated signal.

公开(公告)号：US20220077927A1

公开(公告)日：2022-03-10

申请号：US17424480

申请日：2020-01-28

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Sangrim LEE

IPC: H04B10/11 ,  H04B10/556 ,  H04B10/61 ,  H04L5/00

Abstract: Disclosed are a signal transmission and reception method and device in a wireless communication system. A method for receiving a signal by a terminal in a wireless communication system according to an embodiment of the present specification comprises the steps of: receiving configuration relating to a signal which is down-converted in frequency on the basis of an O/E converter; and receiving the signal in a particular resource region on the basis of the configuration. A frequency domain of the particular resource region comprises a plurality of chunks. The chunks comprise at least one component carrier (CC). The configuration comprises information indicating a main chunk relating to differential phase shift keying (DPSK). The transmission of the signal is on the basis of the DPSK applied between the chunks in the frequency domain with respect to the main chunk.

公开(公告)号：US20220014226A1

公开(公告)日：2022-01-13

申请号：US16925294

申请日：2020-07-09

Applicant: LG ELECTRONICS INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Dangoh KIM ,  Jaehoon CHUNG ,  Sangrim LEE ,  Dongho CHO ,  Juyong LEE ,  Seungwon KEUM ,  Seongjae KIM ,  Sangmi NOH

IPC: H04B1/40 ,  H01Q15/04 ,  H01P5/19

Abstract: A divider for dividing a radio signal includes an input port, a plurality of output ports and a cavity having one surface coupled to the input port and other surface coupled to the plurality of output ports. The other surface is formed as a curved surface, and the plurality of output ports is disposed on the other surface at certain intervals. The side of the cavity is slantly formed from the one surface to the other surface at a certain angle. The distances between the input port and the plurality of output ports is the same.