公开(公告)号：US20200281009A1

公开(公告)日：2020-09-03

申请号：US16649896

申请日：2019-04-29

Applicant: LG Electronics Inc.

Inventor： Hyunho LEE ,  Kyuhwan KWAK

IPC: H04W72/12 ,  H04L5/00 ,  H04W72/04 ,  H04L27/26

Abstract: The disclosure proposes a method for transmitting/receiving data in a wireless communication system and apparatus for supporting the same. Specifically, a method of transmitting an uplink data channel by a user equipment (UE) in a wireless communication system comprises receiving, from a base station, first downlink control information for scheduling an uplink data channel in an nth transmission time unit, receiving, from the base station, second downlink control information for scheduling an uplink data channel in an n+kth transmission time unit, and when information by the first downlink control information is inconsistent with information by the second downlink control information, transmitting an uplink data channel which is based on the first downlink control information to the base station, wherein the second downlink control information may be discarded by the UE.

公开(公告)号：US20200169958A1

公开(公告)日：2020-05-28

申请号：US16610788

申请日：2018-05-04

Applicant: LG Electronics Inc.

Inventor： Hyunho LEE ,  Yunjung YI ,  Daesung HWANG

IPC: H04W52/14 ,  H04W52/36 ,  H04W72/12

Abstract: A method by which a terminal transmits an uplink signal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining whether transmission power of a plurality of uplink channels, which are simultaneously transmitted in a plurality of serving cells and has transmission time intervals (TTIs) of different lengths, exceeds maximum power of a terminal; and transmitting an uplink channel excluding an uplink channel, which is determined according to a preset priority rule, among the plurality of uplink channels when the transmission power of the plurality of uplink channels exceeds the maximum power of the terminal.

公开(公告)号：US20200092152A1

公开(公告)日：2020-03-19

申请号：US16694736

申请日：2019-11-25

Applicant: LG Electronics Inc.

Inventor： Daesung HWANG ,  Yunjung YI ,  Hyunho LEE

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

Abstract: A disclosure of the present specification provides a method for transmitting an uplink control channel by a user equipment (UE). The method may comprise the steps of: determining first uplink control information and second uplink control information different from the first uplink control information; determining the size of a first transmission time interval (TTI) for transmitting a first uplink control channel, on the basis of the size of the first uplink control information; determining the size of a second TTI for transmitting a second uplink control channel, on the basis of the size of the second uplink control information; transmitting the first uplink control channel including the first uplink control information according to the size of the first TTI; and transmitting the second uplink control channel including the second uplink control information according to the size of the second TTI.

公开(公告)号：US20200029354A1

公开(公告)日：2020-01-23

申请号：US16337898

申请日：2017-09-22

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Hanjun PARK ,  Yunjung YI ,  Hyunho LEE

IPC: H04W72/12 ,  H04W72/04

Abstract: A method is disclosed for detecting downlink control information. In particular, the method comprises: a step of detecting first downlink control information transmitted from a specific cell; a step of detecting second downlink control information included in a shortened downlink control channel, based on resource information about the shortened downlink control channel included in the first downlink control information, if the first downlink control information is detected; and a step of changing any one of a shortened downlink data channel, a shortened uplink data channel, and transmission/reception timings of ACK/NACK signals, which are set in advance based on the performance of the terminal, if the first downlink control information is not detected.

公开(公告)号：US20200028635A1

公开(公告)日：2020-01-23

申请号：US16483368

申请日：2018-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Yunjung YI ,  Daesung HWANG ,  Seungmin LEE

IPC: H04L1/18 ,  H04L5/00 ,  H04W80/08

Abstract: A method for transmitting uplink control information for a terminal supporting multiple transmission time interval (TTI) lengths, multiple subcarrier intervals, or multiple processing time intervals in a wireless communication system according to one embodiment of the present disclosure is performed by the terminal, and may comprise the steps of: receiving a configuration for repeated transmission of HARQ-acknowledgement (ACK)/non-acknowledgement information for a downlink transmission block; and when the repeated transmission is triggered according to the configuration therefor, transmitting the HARQ-ACK information to a base station, wherein the repeated transmission is triggered when a predetermined condition is satisfied.

公开(公告)号：US20190312669A1

公开(公告)日：2019-10-10

申请号：US16090167

申请日：2017-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Kyuhwan KWAK ,  Daesung HWANG ,  Yunjung YI ,  Hyunho LEE

IPC: H04L1/00 ,  H04L5/00 ,  H04W80/08 ,  H04B7/06 ,  H04B7/0456 ,  H04W76/11

Abstract: The present invention provides a method for transmitting channel state information in a wireless communication system, and an apparatus therefor. Specifically, a method for transmitting, by a terminal, channel state information (CSI) in a wireless communication system supporting a short transmission time interval (TTI) may comprise the steps of: transmitting first CSI associated with a downlink channel received from a base station, to the base station in a first TTI; and transmitting second CSI associated with the received downlink channel, to the base station in a second TTI, wherein the first CSI includes information indicating a specific region including one or more indices associated with the CSI, and the second CSI includes information indicating a specific index which corresponds to a channel state associated with the received downlink channel among the one or more indices.

公开(公告)号：US20190261383A1

公开(公告)日：2019-08-22

申请号：US16346407

申请日：2017-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Kyuhwan KWAK ,  Yunjung YI ,  Daesung HWANG ,  Hyunho LEE

IPC: H04W72/10 ,  H04W72/04 ,  H04L5/00 ,  H04W88/02 ,  H04L1/18

Abstract: Disclosed are a method for transmitting an uplink channel in a wireless communication system, and an apparatus therefor. Specifically, a method by which a terminal transmits uplink control information comprises the steps of: identifying a resource region allocated to a first uplink control channel for transmitting first uplink control information, and a resource region allocated to a second uplink control channel for transmitting second uplink control information; and transmitting a specific modulation symbol to a base station using a specific uplink resource, if the transmission of the first uplink control channel and the transmission of the second uplink control channel overlap.

公开(公告)号：US20190123881A1

公开(公告)日：2019-04-25

申请号：US16301725

申请日：2017-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Yunjung YI ,  Daesung HWANG

IPC: H04L5/00 ,  H04W72/04

Abstract: According to one embodiment of the present invention, a method by which a terminal configured so as to support at least one cell of one or more transmission time interval (TTI) lengths transmits uplink control information in a wireless communication system comprises the steps of: receiving downlink control information; determining whether to transmit channel state information together with an acknowledgement/negative-acknowledgement (ACK/NACK) for a downlink data channel scheduled (or indicated) by the downlink control information, on the basis of a specific field of the received downlink control information; and transmitting both the ACK/NACK and the channel state information according to the determining step.

公开(公告)号：US20190116611A1

公开(公告)日：2019-04-18

申请号：US16090272

申请日：2017-04-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Daesung HWANG ,  Yunjung YI ,  Kyuhwan KWAK

IPC: H04W72/14 ,  H04W52/32 ,  H04W72/12 ,  H04W52/34

CPC classification number: H04W72/14 ,  H04W52/325 ,  H04W52/346 ,  H04W72/1268 ,  H04W72/1278 ,  H04W72/1284

Abstract: A method for transmitting an uplink signal for a terminal configured to support one or more transmission time interval (TTI) lengths in a wireless communication system according to an embodiment of the present invention, which is supported by a terminal, may comprise the steps of: receiving uplink grant for a plurality of cells; and if transmission timing of an uplink data channel and transmission timing of an uplink control channel according to the uplink grant overlap, transmitting uplink control information, depending on a relationship between a TTI length of the uplink data channel and a TTI length of the uplink control channel, through the uplink control channel or an uplink data channel of one cell among the plurality of cells.

公开(公告)号：US20190090276A1

公开(公告)日：2019-03-21

申请号：US16085948

申请日：2017-03-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Hanjun PARK ,  Yunjung YI ,  Joonkui AHN ,  Seonwook KIM

IPC: H04W74/08 ,  H04L5/00 ,  H04W72/12

Abstract: A method for transmitting an uplink signal in an unlicensed band for a terminal configured to support multiple transmission time interval (TTI) lengths in a wireless communication system, according to one embodiment of the present invention, is performed by the terminal and may comprises the steps of: receiving a scheduling indication for multiple TTIs; according to the received scheduling indication, performing channel sensing in a clear channel assessment (CCA) gap for the multiple TTIs; and if channel sensing for at least one of the multiple TTIs is successful, transmitting, in a predetermined symbol, an uplink reference signal for the multiple TTIs.