公开(公告)号：US20210385037A1

公开(公告)日：2021-12-09

申请号：US17287352

申请日：2019-10-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W74/08

Abstract: Disclosed is a method for a terminal to report channel state information (CSI) in an unlicensed band. In particular, this disclosure includes: receiving a channel state information-reference signal (CSI-RS) through at least one listen before talk (LBT) sub-band among a plurality of LBT sub-bands; measuring a plurality of pieces of CSI for each of the plurality of LBT sub-bands; generating wideband CSI for all of the plurality of LBT sub-bands on the basis of the plurality of pieces of CSI; and reporting the generated wideband CSI to a base station.

公开(公告)号：US11177925B2

公开(公告)日：2021-11-16

申请号：US15999464

申请日：2017-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Hanbyul Seo ,  Kijun Kim ,  Eunsun Kim ,  Suckchel Yang ,  Seonwook Kim

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/04

Abstract: The present invention relates to a method and a device for transmitting, by a terminal, an acknowledgement (ACK)/negative-acknowledgement (NACK) in a wireless communication system. More specifically, the method comprises the steps of: receiving downlink data resource allocation information for indicating a specific subframe for ACK/NACK transmission; and transmitting an ACK/NACK in a specific subframe, wherein the downlink data allocation information includes a specific sequence among a plurality of sequences defined for a downlink control area, and a frame structure of the specific subframe is determined on the basis of the specific sequence.

公开(公告)号：US20210352616A1

公开(公告)日：2021-11-11

申请号：US17274250

申请日：2019-09-26

Applicant: LG ELECTRONICS INC.

Inventor： Jeongsu Lee ,  Seonwook Kim ,  Hyunsoo Ko ,  Sukhyon Yoon

IPC: H04W68/00 ,  H04W74/08 ,  H04W76/28

Abstract: The present disclosure proposes a method for transmitting and receiving paging message in a wireless communication system by using unlicensed band, and a device therefore.
Specifically, the method performed by a user equipment (UE) may include: receiving, from a base station, paging occasion (PO) configuration information including paging frame (PF) set information; receiving, from the base station, control information related to paging based on the PO configuration information; and receiving, from the base station, a paging message based on the control information, in which the PF set information may be information for bundling of PFs, and POs related to the PFs may be consecutively configured in a time domain.

公开(公告)号：US11172500B2

公开(公告)日：2021-11-09

申请号：US16884641

申请日：2020-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Joonkui Ahn ,  Hanjun Park ,  Byounghoon Kim

IPC: H04W72/12 ,  H04W74/00 ,  H04L1/18 ,  H04L1/00 ,  H04W74/08 ,  H04W16/14 ,  H04W84/12

Abstract: The present invention relates to a radio access system that supports an unlicensed band, and provides methods for controlling a contention window size (CWS) for performing uplink LBT, methods for effectively utilizing a radio resource even when an uplink data transmission fails, and apparatuses supporting the same. As an embodiment of the present invention, a method for controlling a contention window size (CWS) for transmitting uplink data in a radio access system supporting an unlicensed band by a user equipment, may comprise the steps of: receiving, from an evolved node B, a radio signal including CSW control information indicating information required for controlling a CWS; controlling the CWS on the basis of the CWS control information; performing a listen before talk (LBT) process using the controlled CWS; and transmitting uplink data when a result of the LBT process shows that an unlicensed band is in an idle state.

公开(公告)号：US11166277B2

公开(公告)日：2021-11-02

申请号：US16346933

申请日：2017-11-06

Applicant: LG Electronics Inc.

Inventor： Seungmin Lee ,  Suckchel Yang ,  Kijun Kim ,  Seonwook Kim ,  Yunjung Yi

IPC: H04W72/04 ,  H04L5/00

Abstract: Provided are a communication method using a frequency band of a base station in a wireless communication system, and a device using the method. The method divides an entire frequency band so as to determine a plurality of subbands and transmits a transport block in at least one subband among the plurality of subbands, wherein the size of the transport block has a maximum value set so as to correspond to the entire frequency band size or the subband size.

公开(公告)号：US20210329482A1

公开(公告)日：2021-10-21

申请号：US17287364

申请日：2019-11-05

Applicant: LG ELECTRONICS INC.

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

IPC: H04W24/08

Abstract: A method by which a terminal measures channel state information (CSI) in an unlicensed band is disclosed. Particularly, the method comprises: receiving at least one channel state information-reference signal (CSI-RS) through at least one listen before talk (LBT) sub-band of a plurality of LBT sub-bands for transmitting a plurality of CSI-RSs within one transmit opportunity (TxOP) section; determining each measurement use for at least one CSI-RS; and measuring the CSI on the basis of each measurement use for the at least one determined CSI-RS, wherein the determination of each measurement use for the at least one CSI-RS is the determining of whether the CSI-RS is for an interference measurement or the CSI-RS is for a signal measurement.

公开(公告)号：US20210314995A1

公开(公告)日：2021-10-07

申请号：US17266462

申请日：2019-08-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/12 ,  H04W72/04 ,  H04W4/70

Abstract: The present specification provides a method for transmitting an MPDCCH in a wireless communication system supporting MTC. More specifically, the method performed by a base station comprises the steps of: mapping an MPDCCH to resource elements (REs); and transmitting the MPDCCH on the REs to a terminal, wherein the mapping of the MPDCCH comprises a step of copying REs used for the MPDCCH in at least one symbol of a second slot of a subframe onto at least one symbol of a first slot of the subframe.

公开(公告)号：US11088813B2

公开(公告)日：2021-08-10

申请号：US16489164

申请日：2018-02-28

Applicant: LG Electronics Inc.

Inventor： Changhwan Park ,  Seonwook Kim ,  Joonkui Ahn ,  Sukhyon Yoon ,  Yunjung Yi

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

Abstract: A signal transmission/reception method comprising the steps of: receiving, from a base station, configuration information for configuring the operation of a terminal according to a first communication system; obtaining transmission power information on a downlink signal of the first communication system on the basis of the configuration information; and receiving the downlink signal from the base station on the basis of the transmission power information, wherein the downlink signal is transmitted via a downlink carrier of the first communication system, and the downlink carrier is allocated in an FDD mode in a guard-band between an in-band and the guard-band configured for a second communication system.

公开(公告)号：US11051286B2

公开(公告)日：2021-06-29

申请号：US16858150

申请日：2020-04-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04L1/00 ,  H04L1/18 ,  H04L5/00 ,  H04W88/02

Abstract: A method for transmitting multiple uplink control information (UCI) on a physical uplink control channel (PUCCH) in a wireless communication system is disclosed. More specifically, the method performed by a user equipment (UE) includes receiving, from a base station, first control information related to the PUCCH for transmitting the multiple UCI; determining a first parameter representing a number of coded bits for the multiple UCI based on the first control information, wherein the multiple UCI includes channel state information (CSI) including at least one of a first part or a second part; determining a size of the first part based on the first parameter and second control information related to the size determination of the first part; and transmitting, to the base station, the multiple UCI on the PUCCH.

公开(公告)号：US11038653B2

公开(公告)日：2021-06-15

申请号：US16720974

申请日：2019-12-19

Applicant: LG Electronics Inc.

Inventor： Seonwook Kim ,  Suckchel Yang ,  Yunjung Yi ,  Jaehyung Kim ,  Changhwan Park ,  Joonkui Ahn

IPC: H04L5/00 ,  H04W4/70 ,  H04L29/06 ,  H04W72/04 ,  H04B1/7156 ,  H04L27/26

Abstract: Disclosed are a method for transmitting and receiving a physical uplink control channel between a terminal and a base station in a wireless communication system, and an apparatus for supporting the same. More particularly, disclosed are a method for transmitting and receiving a physical uplink control channel through a plurality of channels between a terminal and a base station in a wireless communication system supporting transmission and reception of a physical uplink control channel through a single symbol, and an apparatus for supporting the same.