公开(公告)号：US09794030B2

公开(公告)日：2017-10-17

申请号：US15426262

申请日：2017-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun Seo ,  Bonghoe Kim ,  Joonkui Ahn ,  Suckchel Yang ,  Hanbyul Seo ,  Seungmin Lee ,  Yunjung Yi

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

CPC classification number: H04L1/1861 ,  H04L1/1822 ,  H04L1/1854 ,  H04L1/1896 ,  H04L5/0055 ,  H04W72/042 ,  H04W88/02

Abstract: A method of performing hybrid automatic repeat request (HARQ) in a carrier aggregation system, the method includes receiving downlink data through a first subframe of a first carrier; transmitting acknowledgement/not-acknowledgement (ACK/NACK) for the downlink data through a second subframe of a second carrier; and receiving the downlink data again through a third subframe of the first carrier, wherein the first carrier is a carrier which s comprised of downlink subframe only.

公开(公告)号：US09780934B2

公开(公告)日：2017-10-03

申请号：US14889587

申请日：2014-05-09

Applicant: LG Electronics Inc.

Inventor： Bonghoe Kim ,  Suckchel Yang

IPC: H04L5/00 ,  H04W56/00 ,  H04L25/02

CPC classification number: H04L5/005 ,  H04L5/001 ,  H04L5/0051 ,  H04L5/0094 ,  H04L25/0224 ,  H04W56/00 ,  H04W56/0015

Abstract: The present invention relates to methods for performing a radio resource measurement in a synchronized cell when a similar co-location is applied and apparatuses for supporting the same. As an embodiment of the present invention, a method in which a user equipment (UE) performs a radio resource measurement (RRM) in a radio access system may comprise the steps of: receiving a higher layer signal including similar co-location (QCL) information of a channel state information reference signal (CSI-RS) of a first cell and a cell specific reference signal (CRS) and/or a CSI-RS of a second cell; receiving the CRS and/or the CSI-RS of the second cell on the basis of the QCL information; and measuring a first RRM of the first cell by using the CRS and/or the CSI-RS of the second cell.

公开(公告)号：US09769838B2

公开(公告)日：2017-09-19

申请号：US15419452

申请日：2017-01-30

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Yunjung Yi ,  Joonkui Ahn ,  Suckchel Yang

IPC: H04W4/00 ,  H04W72/08 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W72/085 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0053 ,  H04L27/2613 ,  H04W36/0061 ,  H04W48/12 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0473

Abstract: A method for receiving, by a user equipment, a downlink signal, the method includes receiving, by the user equipment from a serving cell, discovery signal based radio resource measurement information for a cell different from the serving cell; receiving, by the user equipment from the cell, a discovery signal of the cell at discovery signal transmission periodicity based on the discovery signal based radio resource measurement information; and performing, by the user equipment, reference signal received power, RSRP, measurement for the cell based on the discovery signal.

公开(公告)号：US09743391B2

公开(公告)日：2017-08-22

申请号：US15251723

申请日：2016-08-30

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel Yang ,  Mingyu Kim ,  Joonkui Ahn ,  Dongyoun Seo

IPC: H04L1/18 ,  H04L5/00 ,  H04W72/02 ,  H04W72/04 ,  H04L1/00 ,  H04L5/14

CPC classification number: H04W72/0413 ,  H04L1/0031 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0033 ,  H04L5/0055 ,  H04L5/14

Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting uplink control information and a device therefor, the method comprising the steps of: forming a plurality of serving cells each having different UL-DL configurations; receiving one or more signals requiring a HARQ-ACK response from M (M≧1) number of subframes; and executing the process for transmitting the HARQ-ACK response to the one or more signals in a specific subframe corresponding to the M number of subframes, wherein, only when the specific subframe is set as an uplink in all of the plurality of serving cells, the HARQ-ACK response to the one or more signals are transmitted through the specific subframe.

公开(公告)号：US09730240B2

公开(公告)日：2017-08-08

申请号：US14786215

申请日：2014-05-12

Applicant: LG Electronics Inc.

Inventor： Suckchel Yang ,  Joonkui Ahn ,  Yunjung Yi ,  Dongyoun Seo

IPC: H04W4/00 ,  H04W72/12 ,  H04L5/00 ,  H04L5/14 ,  H04W72/04

CPC classification number: H04W72/1205 ,  H04L5/001 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/1469 ,  H04W72/042 ,  H04W72/1289

Abstract: The present invention relates to a method for a terminal, which operates in a half-duplex manner, to communicate with a base station in a wireless communication system supporting a plurality of carrier types, and an apparatus for the same. More particularly, the present invention relates to a method and an apparatus for the same, the method comprising the step of: transmitting a signal to, or receiving a signal from, a base station in a first cell set to be in a time division duplex (TDD) manner via a first subframe positioned between a downlink subframe and an uplink subframe, wherein if the first cell operates as a first carrier type, the first subframe includes a first downlink section, a first protection section, and a first uplink section, and if the first cell operates as a second carrier type, the first subframe includes only a second downlink section and a second protection section, or includes only a second uplink section and the second protection section. The first carrier type represents a carrier type in which a cell-common reference signal is transmitted over the entire system band in all subframes, and the second carrier type represents a carrier type in which the cell-common reference signal is transmitted over at least a part of the system band in some subframes.

公开(公告)号：US09693340B2

公开(公告)日：2017-06-27

申请号：US14375965

申请日：2013-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun Seo ,  Joonkui Ahn ,  Suckchel Yang

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

CPC classification number: H04W72/0413 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0055

Abstract: Provided are a method for transmitting uplink control information by a user equipment in a wireless communication system and a user equipment using the method. The method comprises the steps of: setting subframes for transmitting periodic channel state information (CSI); and transmitting the periodic CSI from the subframes, wherein a first resource or a second resource is used depending on a combination of acknowledgement/negative-acknowledgement (ACK/NACK) which can be transmitted from the subframes.

公开(公告)号：US09648632B2

公开(公告)日：2017-05-09

申请号：US14786274

申请日：2014-05-12

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel Yang ,  Yunjung Yi ,  Joonkui Ahn ,  Dongyoun Seo

IPC: H04W4/00 ,  H04W72/12 ,  H04L5/00 ,  H04L5/14 ,  H04W72/04

CPC classification number: H04W72/1205 ,  H04L5/001 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/1469 ,  H04W72/042 ,  H04W72/1289

Abstract: The present invention relates to a method in which a user equipment (UE) receives a signal in a time division duplex (TDD) wireless communication system and an apparatus for the same. More particularly, the present invention relates to a method comprising the steps of: receiving a first downlink signal in a first subframe including a downlink interval, a protection interval, and an uplink interval; and demodulating the first downlink signal, wherein the first downlink signal is demodulated using a cell-common reference signal when the downlink interval includes a predetermined number of symbols or less, and the first downlink signal is demodulated using a UE-specific reference signal when the downlink interval includes the predetermined number of symbols or more, and an apparatus for the same.

公开(公告)号：US09648608B2

公开(公告)日：2017-05-09

申请号：US15218788

申请日：2016-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel Yang ,  Joonkui Ahn ,  Dongyoun Seo

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/18 ,  H04L1/16 ,  H04L5/14 ,  H04W72/12

CPC classification number: H04W72/042 ,  H04L1/1607 ,  H04L1/1812 ,  H04L1/1861 ,  H04L1/1864 ,  H04L1/1893 ,  H04L5/001 ,  H04L5/0016 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0092 ,  H04L5/0094 ,  H04L5/1469 ,  H04W72/0413 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1278

Abstract: The present invention relates to a wireless communication system, particularly, a method in which a terminal transmits control information in a CA-based wireless communication system and an apparatus for the method, the method comprising: configuring a first cell and a second cell having different subframe configurations, wherein the second cell has any one of UL-DL configuration #0 to #6; receiving a DC) format including a DAI field, for the second cell; and transmitting HARQ-ACK information relating to the downlink DCI format. For HARQ-ACK timing, in cases where a reference UL-DL configuration applied to the second cell is any one of UL-DL configurations #1 to #6, the DAI field is used in a process of transmitting the HARQ-ACK information. For HARQ-ACK timing, in cases where a reference UL-DL configuration applied to the second cell is #0, the DAI field is not used in a process of transmitting the HARQ-ACK information.

公开(公告)号：US09641995B2

公开(公告)日：2017-05-02

申请号：US14407010

申请日：2013-05-13

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Jonghyun Park ,  Seungmin Lee ,  Suckchel Yang

IPC: H04W4/00 ,  H04W8/00 ,  H04W76/02 ,  H04W72/04 ,  H04W48/12 ,  H04W88/02 ,  H04W92/18

CPC classification number: H04W8/005 ,  H04W48/12 ,  H04W72/042 ,  H04W76/14 ,  H04W88/02 ,  H04W92/18

Abstract: Disclosed in the present application is a method for enabling user equipment to transmit and receive a discovery signal for direct communication between user equipment in a wireless communication system. Specifically, the method comprises the steps of: receiving, from a base station, information related to a plurality of configurations for the discovery signal through an upper layer; receiving, from the base station, downlink control information on a first sub-frame, comprising a field indicating one configuration among the plurality of configurations through a physical layer; and transmitting and receiving the discovery signal on the first frame and then on a second frame by using the indicated configuration.

公开(公告)号：US09609634B2

公开(公告)日：2017-03-28

申请号：US14770785

申请日：2014-03-13

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel Yang ,  Yunjung Yi ,  Bonghoe Kim ,  Joonkui Ahn

IPC: H04W4/00 ,  H04W72/04 ,  H04J11/00 ,  H04L5/00 ,  H04L1/18 ,  H04W72/12 ,  H04W74/00

CPC classification number: H04W72/0413 ,  H04J11/00 ,  H04L1/1812 ,  H04L5/0048 ,  H04L5/0055 ,  H04L5/0094 ,  H04W72/0446 ,  H04W72/1268 ,  H04W74/006

Abstract: The present invention relates to a wireless communication system. Particularly, the present invention relates to a method for transmitting an uplink signal in a wireless communication system and a device therefor, the method comprising the step of transmitting the uplink signal through a plurality of SC-FDMA symbols within a subframe, wherein: the uplink signal includes RI and HARQ-ACK information; the plurality of SC-FDMA symbols include an SC-FDMA symbol #n for an RS, an SC-FDMA symbol of a first set for the RI, and an SC-FDMA symbol of a second set for the HARQ-ACK; n is an integer of 0 or more; the SC-FDMA symbol of the first set includes SC-FDMA symbols #n−2, #n+2, #n+5 and #n+6; and the SC-FDMA symbol of the second set includes SC-FDMA symbols #n−1, #n+1, #n+3 and #n+4.