公开(公告)号：US11799691B2

公开(公告)日：2023-10-24

申请号：US17266424

申请日：2019-08-09

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Seonwook Kim ,  Changhwan Park ,  Seokmin Shin ,  Joonkui Ahn ,  Suckchel Yang ,  Seunggye Hwang

IPC: H04L25/02 ,  H04B7/06 ,  H04L27/26 ,  H04W72/23

CPC classification number: H04L25/0202 ,  H04B7/06 ,  H04L27/2613 ,  H04W72/23

Abstract: Disclosed are a method for channel estimation in a wireless communication system, and a device therefor. Particularly, the method for estimating a channel by a terminal in a wireless communication comprises the steps for: receiving, from a base station, configuration information for channel estimation, the configuration information comprising relationship information related to the relationship between a cell-specific reference signal (CRS) and a demodulation-reference signal (DM-RS); receiving the CRS from the base station; receiving, from the base station, on a specific channel, the DM-RS and machine type communication (MTC) control information; estimating the specific channel by using the CRS and DM-RS, on the basis of the relationship information; and decoding the MTC control information via the estimated specific channel, wherein the relationship information comprises information about a pre-coding relationship between the CRS and DM-RS, and power ratio information of the CRS with respect to the DM-RS, and the power ratio information is information related to the power ratio between a CRS port and DM-RS port for an idle mode.

公开(公告)号：US11792789B2

公开(公告)日：2023-10-17

申请号：US17968976

申请日：2022-10-19

Applicant: LG Electronics Inc.

Inventor： Sechang Myung ,  Seonwook Kim ,  Changhwan Park ,  Suckchel Yang

IPC: H04W4/00 ,  H04W72/1268 ,  H04L1/1812 ,  H04L1/1867 ,  H04W72/0446 ,  H04W74/08 ,  H04W72/23

CPC classification number: H04W72/1268 ,  H04L1/1819 ,  H04L1/1896 ,  H04W72/0446 ,  H04W72/23 ,  H04W74/0816

Abstract: A method by which a terminal transmits data in an unlicensed band, and an apparatus using the method are provided. The method comprises: transmitting data to a base station through a physical uplink shared channel (PUSCH) in the unlicensed band; and receiving, from the base station, acknowledgement/negative acknowledgement (ACK/NACK) information about the data in the unlicensed band, wherein the terminal receives, from the base station, timeline information notifying of a time relationship between the PUSCH transmission time point and the ACK/NACK information reception time point.

公开(公告)号：US11658789B2

公开(公告)日：2023-05-23

申请号：US17058606

申请日：2019-08-09

Applicant: LG Electronics Inc.

Inventor： Sechang Myung ,  Seonwook Kim ,  Changhwan Park ,  Suckchel Yang

IPC: H04L5/00 ,  H04L1/18 ,  H04W72/12 ,  H04L1/1812 ,  H04W72/23 ,  H04W16/14

CPC classification number: H04L5/0055 ,  H04L1/1812 ,  H04W72/23 ,  H04W16/14

Abstract: Provided are a method for transmitting a physical uplink shared channel (PUSCH) of a terminal in an unlicensed band and a device using the same method. The method comprises: receiving first information indicating a symbol index and second information indicating a length; and transmitting, in at least one slot capable of transmitting the PUSCH, the PUSCH by using a time resource determined on the basis of the first information and the second information.

公开(公告)号：US11647519B2

公开(公告)日：2023-05-09

申请号：US17235344

申请日：2021-04-20

Applicant: LG Electronics Inc.

Inventor： Seonwook Kim ,  Changhwan Park ,  Joonkui Ahn ,  Suckchel Yang ,  Sukhyon Yoon

IPC: H04W72/04 ,  H04W72/23 ,  H04W16/14

CPC classification number: H04W72/23 ,  H04W16/14

Abstract: Disclosed are a method for transmitting and receiving downlink signals between a terminal and a base station in a wireless communication system supporting an unlicensed band, and a device supporting same. More specifically, as one applicable embodiment in the present disclosure, the terminal can control/change a monitoring period of a physical downlink control channel on the basis of whether a downlink signal transmission burst is transmitted from a base station, and in response thereto, the base station sets a transmission period of the physical downlink control channel in the downlink signal transmission burst so as to transmit the same to the terminal.

公开(公告)号：US11647412B2

公开(公告)日：2023-05-09

申请号：US17265601

申请日：2019-08-09

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Changhwan Park ,  Joonkui Ahn ,  Seunggye Hwang

IPC: H04W24/10 ,  H04B17/318 ,  H04W56/00 ,  H04W76/28 ,  H04J11/00

CPC classification number: H04W24/10 ,  H04B17/318 ,  H04J11/0069 ,  H04W76/28

Abstract: Disclosed are a method for improving measurement performance of a terminal in a wireless communication system, and an apparatus therefor. Specifically, in a method wherein a terminal performs measurement in a wireless communication system, a method performed by the terminal comprises the steps of: receiving, from a serving base station, configuration information for measurement of a reference signal receive power (RSRP) and/or a reference signal received quality (RSRQ), wherein the configuration information includes port configuration information related to an antenna port to which a reference signal is transmitted and measurement configuration information related to a correlation between a cell-specific reference signal (CRS) and a re-synchronization signal (RSS) for the measurement; receiving the CRS and/or the RSS from a neighbor base station; calculating the RSRP and/or the RSRQ according to the configuration information by using the CRS and the RSS; and reporting the RSRP and/or the RSRQ to the serving base station.

公开(公告)号：US11617097B2

公开(公告)日：2023-03-28

申请号：US17265975

申请日：2019-08-08

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Changhwan Park ,  Joonkui Ahn ,  Seunggye Hwang

IPC: H04W24/08 ,  H04W56/00

Abstract: The present specification provides a method for performing measurement by using an RSS in a wireless communication system. More specifically, the method performed by a terminal comprises the steps of: receiving, from a first base station, power boosting information indicating a relative value compared to cell-specific reference signal (CRS) power and CRS port information indicating the number of CRS antenna ports; receiving the RSS from the first base station; and measuring the reference signal received power (RSRP) and/or the reference signal received quality (RSRQ) of the RSS on the basis of the power boosting information and the CRS port information.

公开(公告)号：US11553432B2

公开(公告)日：2023-01-10

申请号：US17265276

申请日：2019-08-09

Applicant: LG ELECTRONICS INC.

Inventor： Seunggye Hwang ,  Changhwan Park ,  Joonkui Ahn

IPC: H04W52/02

Abstract: The present invention discloses various embodiments of a method and a device by which a terminal senses a wake up signal (WUS) in a wireless communication system. Disclosed are a method and a device by which a terminal senses a WUS signal in a wireless communication system, the method including: a step for receiving, from a base station, WUS setting information related to a first WUS resource and a second WUS resource; a step for specifying the first WUS resource on the basis of the WUS setting information; and a step for sensing a WUS signal from the specified first WUS resource, wherein, when the WUS signal is a group WUS signal, the first WUS resource is specified to be continuous with the second WUS resource in a time domain.

公开(公告)号：US11546121B2

公开(公告)日：2023-01-03

申请号：US17044306

申请日：2019-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Suckchel Yang ,  Changhwan Park ,  Duckhyun Bae ,  Sukhyon Yoon

IPC: H04L5/00 ,  H04W74/08

Abstract: The present invention discloses an operation method of a terminal and a base station in a wireless communication system supporting an unlicensed band and a device for supporting same. The present invention discloses an operation method of a terminal and a base station and a device for supporting same, according to one specific embodiment, wherein the method is based on signaling, to the terminal, whether or not the base station is occupied by each channel access procedure (CAP) subband through downlink control information (DCI) including slot format information for one or more slots.

公开(公告)号：US11540333B2

公开(公告)日：2022-12-27

申请号：US17672915

申请日：2022-02-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Changhwan Park ,  Joonkui Ahn

IPC: H04W74/08 ,  H04L1/16 ,  H04W28/26 ,  H04W72/04 ,  H04W74/00

Abstract: A method of transmitting and receiving downlink information in a wireless communication system supporting Internet of Things (IoT) and a device therefor are disclosed. The method performed by a user equipment (UE) comprises transmitting, to a base station, a physical random access channel (PRACH) preamble, receiving, from the base station, a random access response including an uplink (UL) grant based on the PRACH preamble, transmitting, to the base station, a message 3 based on the UL grant, and receiving, from the base station, a message for contention resolution based on the message 3.

公开(公告)号：US11522651B2

公开(公告)日：2022-12-06

申请号：US16065734

申请日：2018-03-23

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Changhwan Park ,  Suckchel Yang ,  Seonwook Kim

IPC: H04L5/00

Abstract: The present invention discloses a method for transmitting and receiving signals between a user equipment and a base station in a wireless communication system and device for supporting the same. More specifically, the invention discloses a signal transmission method applicable when a user equipment simultaneously transmits uplink control information and a reference signal to a base station.