公开(公告)号：US10887849B2

公开(公告)日：2021-01-05

申请号：US16318411

申请日：2017-08-08

Applicant: LG Electronics Inc.

Inventor： Joonkui Ahn ,  Daesung Hwang ,  Hyunsoo Ko ,  Yunjung Yi ,  Hyunho Lee ,  Seonwook Kim ,  Suckchel Yang ,  Hanjun Park

IPC: H04W52/36 ,  H04W74/08 ,  H04W72/12 ,  H04W72/04 ,  H04W52/38 ,  H04W52/14

Abstract: Provided are a method and a device for reporting a power headroom in a wireless communication system. The device receives initial downlink control information (DCI) for physical uplink shard channel (PUSCH) transmission in a first subframe and receives triggering DCI in a second subframe. The device calculates a power headroom on the assumption that the PUSCH transmission is not performed.

公开(公告)号：US10856270B2

公开(公告)日：2020-12-01

申请号：US16254228

申请日：2019-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Suckchel Yang ,  Seonwook Kim ,  Joonkui Ahn

IPC: H04W72/04 ,  H04L1/18 ,  H04L5/00 ,  H04L1/00

Abstract: The present specification provides a method for transmitting multiple uplink control information (UCI) on a physical uplink control channel (PUCCH) in a wireless communication system.More specifically, the method performed by a user equipment (UE) includes receiving, from a base station, control information related to PUCCH resources for transmitting the multiple UCI, wherein the control information includes information related to a number of REs of the PUCCH resources, information related to a modulation order, and information related to a configured maximum code rate; determining a PUCCH resource for transmitting the multiple UCI by comparing a value obtained by multiplying the configured maximum code rate and the modulation order by the number of REs corresponding to the PUCCH resources indexed in ascending order with a size of a payload for the multiple UCI; and transmitting, to the base station, the multiple UCI on the determined PUCCH resource.

公开(公告)号：US10798728B2

公开(公告)日：2020-10-06

申请号：US15759200

申请日：2016-09-21

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Joonkui Ahn ,  Seonwook Kim ,  Suckchel Yang

IPC: H04W72/12 ,  H04W74/08 ,  H04W74/00

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method for transceiving data in an unlicensed band and an apparatus for same. In particular, disclosed in the present invention are a method and an apparatus for same, the method comprising: a terminal receiving, from a base station, listen before talk (LBT)-type information and information relating to an uplink data transmission interval during which the data is transmitted from within one subframe; and transmitting the data to the base station only during the uplink data transmission interval from within the one subframe, based on an LBT operation indicated by the LBT-type information, thereby efficiently transceiving data between the terminal and the base station in the unlicensed band.

公开(公告)号：US10785788B2

公开(公告)日：2020-09-22

申请号：US16248365

申请日：2019-01-15

Applicant: LG Electronics Inc.

Inventor： Seonwook Kim ,  Suckchel Yang ,  Joonkui Ahn ,  Hanjun Park

IPC: H04W52/36 ,  H04W72/12 ,  H04W88/06 ,  H04L1/00 ,  H04L25/02 ,  H04L5/00 ,  H04L5/14

Abstract: The present invention discloses a method for transmitting or receiving ACK information between a UE and a BS in a wireless communication system and an apparatus for supporting the same. According to one embodiment applicable to the present invention, the UE may transmit a first type channel configured with 1 or 2 symbols and a second type channel configured with 4 or more symbols by configuring a transient period between first type channel transmission and second type channel transmission within a time period corresponding to the second type channel if the first type channel and the second type channel are continuous in a time domain.

公开(公告)号：US10779327B2

公开(公告)日：2020-09-15

申请号：US16698803

申请日：2019-11-27

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui Ahn ,  Byounghoon Kim ,  Suckchel Yang ,  Yunjung Yi ,  Seonwook Kim

IPC: H04W4/00 ,  H04W74/08 ,  H04W56/00 ,  H04W16/14

Abstract: Provided are a method for performing a random access process in an unlicensed band, and a device using the same. The device receives a random access preamble (RAP) order instructing the transmission of a RAP. The device performs a clear channel assessment (CCA) in an unlicensed cell during an RAP window so as to transmit the RAP when the device succeeds in CCA.

公开(公告)号：US10779289B2

公开(公告)日：2020-09-15

申请号：US16399111

申请日：2019-04-30

Applicant: LG Electronics Inc.

Inventor： Sechang Myung ,  Seonwook Kim

IPC: H04W72/08 ,  H04W72/04 ,  H04W72/14 ,  H04L1/18 ,  H04L5/00 ,  H04W74/00

Abstract: Provided are a method for adjusting a contention window size of a UE in a wireless communication system and the UE using the method. The method includes transmitting first data based on an AUL transmission to a BS, transmitting second data based on a grant-based uplink transmission to the BS, receiving first ACK/NACK information for the first data and second ACK/NACK information for the second data through an AUL-DFI, and adjusting the contention window size based on at least one of the first ACK/NACK information and the second ACK/NACK information included in the AUL-DFI. When the first data includes only one TB and the second data includes a plurality of TBs, the second ACK/NACK information is ACK if ACK/NACK for at least one of the plurality of TBs is ACK and the second ACK/NACK information is NACK if ACK/NACKs for all of the plurality of TBs are all NACKs.

公开(公告)号：US10757736B2

公开(公告)日：2020-08-25

申请号：US15324602

申请日：2015-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Joonkui Ahn ,  Hanbyul Seo ,  Hyukjin Chae

IPC: H04W74/08 ,  H04L5/00 ,  H04W16/14

Abstract: The present invention relates to methods for supporting carrier sensing in a wireless access system supporting an unlicensed band, and devices supporting same. A method for supporting carrier sensing in a wireless access system supporting an unlicensed band, according to an embodiment of the present invention, comprises the steps of: selecting a backoff counter value for performing carrier sensing; performing carrier sensing in a serving cell (S-cell) until the backoff counter value reaches a predetermined threshold value; when the backoff counter value reaches the predetermined threshold value, transmitting data in a transmission opportunity (TXOP) interval; receiving a reception state feedback indicating whether the transmitting of data is success, collision or error; and resetting the backoff counter value on the basis of the reception state feedback, wherein the S-cell can be configured in an unlicensed band.

公开(公告)号：US10756866B2

公开(公告)日：2020-08-25

申请号：US16308359

申请日：2017-06-12

Applicant: LG ELECTRONICS INC.

Inventor： Kyuhwan Kwak ,  Suckchel Yang ,  Seonwook Kim ,  Yunjung Yi ,  Daesung Hwang

IPC: H04W72/04 ,  H04L5/00 ,  H04L27/26

Abstract: Disclosed are a method for transmitting an uplink control channel in a wireless communication system and an apparatus for the same. Particularly, the method comprises the steps of: receiving allocation of a resource region including one or more symbols for transmission of an uplink control channel; and mapping uplink control information and a reference signal to each specific resource group unit in the allocated resource region, wherein the specific resource group unit may comprise a first resource element having the reference signal mapped thereto and second resource elements having the at least one piece of uplink control information mapped thereto, the second resource elements may be arranged adjacent to the first resource element, and the second resource elements may be multiplexed according to orthogonal cover codes in a clockwise or counter-clockwise direction.

公开(公告)号：US10750546B2

公开(公告)日：2020-08-18

申请号：US16678794

申请日：2019-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Joonkui Ahn ,  Kijun Kim ,  Yunjung Yi ,  Suckchel Yang

IPC: H04W74/08 ,  H04L27/00 ,  H04W72/12 ,  H04L5/00 ,  H04L25/02 ,  H04W72/04 ,  H04W72/10

Abstract: Disclosed are a method for transmitting, by a terminal, a sounding reference signal to a base station without a physical uplink shard channel in a licensed assisted access (LAA) system in which a base station or a terminal performs listen-before-talk (LBT)-based signal transmission, and an apparatus supporting the same.

公开(公告)号：US10708932B2

公开(公告)日：2020-07-07

申请号：US16384207

申请日：2019-04-15

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Joonkui Ahn ,  Seungmin Lee ,  Kijun Kim ,  Suckchel Yang ,  Hanbyul Seo ,  Jonghyun Park ,  Hyangsun You

IPC: H04W72/12 ,  H04B7/06 ,  H04W72/04 ,  H04L5/00 ,  H04W24/10 ,  H04W16/14 ,  H04L27/26 ,  H04W74/08

Abstract: A method for receiving a signal by a user equipment (UE) in a wireless communication system is discussed. The method includes receiving, from a base station (BS), control information; and receiving, from the BS, downlink data on an unlicensed band cell (UCell) based on the control information. Further, in case of: the control information received on another serving cell, the downlink data is received in a first time resource, and the control information received on the UCell, the downlink data is received in a second time resource, and the second time resource is smaller than the first time resource.