公开(公告)号：US10349228B2

公开(公告)日：2019-07-09

申请号：US15678886

申请日：2017-08-16

Applicant: LG ELECTRONICS INC.

Inventor： Wan Choi ,  Bi Hong ,  Kyungrak Son ,  Dongin Kim ,  Hanbyul Seo

IPC: H04L12/28 ,  H04W4/06 ,  H04W72/00 ,  H04L12/18

Abstract: A method for transmitting downlink data from a BS in a wireless communication system is disclosed. The method comprises receiving a first request signal of the downlink data from a first UE at a first timing point; transmitting packet of the downlink data to the first UE by using a unicast scheme until a multicast preparation time period passes from the first timing point; receiving a second request signal of the downlink data from a second UE at a second timing point after the first timing point; transmitting packet of the downlink data to the second UE by using the unicast scheme until the multicast preparation time period passes from the second timing point; and transmitting packet of the downlink data to a multicast group, which includes the first UE and the second UE, by using a multicast scheme when the multicast preparation time period passes.

公开(公告)号：US10342002B2

公开(公告)日：2019-07-02

申请号：US15504954

申请日：2015-09-16

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel Yang ,  Joonkui Ahn ,  Hanbyul Seo

IPC: H04W72/04 ,  H04W72/02 ,  H04W16/14 ,  H04L5/00

Abstract: The resent invention relates to a wireless communication system, and particularly to a method and device for same, the method including the steps of: receiving, from a base station, L1 information about M number of UCells (M≤N) on which downlink resources are temporarily configured, wherein M number of UCells (M≤N) are a subset of N number of UCells; selectively aggregating K number of UCells (K

公开(公告)号：US10334591B2

公开(公告)日：2019-06-25

申请号：US15313947

申请日：2015-05-26

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Hanbyul Seo ,  Byounghoon Kim ,  Myoungseob Kim

IPC: H04W48/16 ,  H04W72/04 ,  H04W72/02 ,  H04W4/70 ,  H04W76/14 ,  H04B1/7136 ,  H04L5/00 ,  H04L29/08 ,  H04W8/00 ,  H04W84/12 ,  H04W84/18 ,  H04W92/18 ,  H04L1/18 ,  H04W88/02 ,  H04W84/04 ,  H04L1/00

Abstract: According to an embodiment of the present invention, a discovery signal transmission method, by a device to device (D2D) terminal in a wireless communication system, comprises the steps of: determining time-frequency resources for transmitting a discovery signal in a discovery period; and transmitting a discover signal on the time-frequency resources, wherein the discovery signal, if repeated b number of times in the discovery period, is repeated in consecutive time resources, and the frequency resources in each consecutive time resource are hopped as much as floor(Nf/b), wherein Nf is the number of discovery resources per subframe.

公开(公告)号：US10333739B2

公开(公告)日：2019-06-25

申请号：US15747749

申请日：2016-08-23

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04L25/02 ,  H04L5/00 ,  H04J11/00 ,  H04J13/00 ,  H04W8/00 ,  H04W56/00 ,  H04W72/04 ,  H04W48/12

Abstract: A method for receiving a signal through a physical format adaptable to a wireless communication environment by a device supporting D2D communication according to an embodiment of the present invention comprises the steps of: receiving a synchronization signal from a transmission node on the basis of one of a first physical format and a second physical format; and performing synchronization with the transmission node on the basis of the synchronization signal, wherein when the second physical format is used, M synchronization symbols in addition to N synchronization symbols used in the first physical format are set in the same sub-frame, and a total of (N+M) synchronization symbols included in the same sub-frame may include a first synchronization symbol to which a first Zadoff-Chu sequence generated through first root indexes is mapped, and a second synchronization symbol to which a second Zadoff-Chu sequence generated through second root indexes is mapped.

公开(公告)号：US10327238B2

公开(公告)日：2019-06-18

申请号：US15317869

申请日：2015-06-12

Applicant: LG ELECTRONICS INC.

Inventor： Yunjung Yi ,  Joonkui Ahn ,  Hanbyul Seo ,  Hyangsun You ,  Seonwook Kim

IPC: H04W72/04 ,  H04W16/14 ,  H04L27/26 ,  H04L5/00 ,  H04L27/00

Abstract: A method and apparatus for determining a length of a physical downlink shared channel (PDSCH) (or, a partial subframe) in a wireless communication system is provided. A user equipment (UE) detects at least one of starting orthogonal frequency division multiplexing (OFDM) symbol or ending OFDM symbol of a PDSCH in an unlicensed carrier, and determines the length of the PDSCH in the unlicensed carrier based on the at least one of the starting OFDM symbol or the ending OFDM symbol of the PDSCH in the unlicensed carrier. The UE may detect the at least one of starting OFDM symbol or ending OFDM symbol based on a physical downlink control channel (PDCCH) or a reference signal (RS) pattern.

公开(公告)号：US10326560B2

公开(公告)日：2019-06-18

申请号：US15523666

申请日：2015-11-03

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe Kim ,  Hanbyul Seo ,  Manyoung Jung

IPC: H04L1/18 ,  H04J11/00

Abstract: The present invention relates to a variety of hybrid automatic repeat request (HARQ) methods, data buffering methods therefor, and apparatuses supporting the methods, in a wireless access system supporting a non-orthogonal multiple access (NOMA) scheme. As one embodiment of the present invention, a data buffering method, by a first terminal, for hybrid automatic repeat request (HARQ) in a wireless access system supporting a non-orthogonal multiple access (NOMA) scheme may comprise: a step of receiving, from a base station, data in which data for the first terminal and a second terminal are multiplexed in a NOMA scheme; a step of decoding the multiplexed data; a step of buffering data for the second terminal; and a step of transmitting HARQ-ACK information to the base station, depending on the decoding result.

公开(公告)号：US10321454B2

公开(公告)日：2019-06-11

申请号：US14758758

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Inkwon Seo ,  Hanbyul Seo

IPC: H04W72/04 ,  H04L27/26 ,  H04W24/08 ,  H04L5/00 ,  H04L12/18 ,  H04W48/16 ,  H04L5/14

Abstract: The present invention relates to a method and a device by which a user equipment monitors a downlink control channel in a wireless communication system. More specifically, the method comprises a step of monitoring the downlink control channel on a flexible downlink subframe, wherein the flexible downlink subframe is obtained by reconfiguring, for downlink communication, an uplink subframe configured according to a reference UL-DL configuration, the reference UL-DL configuration is configured by the combination of a first UL-DL configuration set for a first cell and a second UL-DL configuration set for a second cell, and the first UL-DL configuration and the second UL-DL configuration are configured so as to change the usage of wireless resources.

公开(公告)号：US10321425B2

公开(公告)日：2019-06-11

申请号：US15523333

申请日：2015-11-03

Applicant: LG ELECTRONICS INC.

Inventor： Sunghoon Jung ,  Hanbyul Seo

IPC: H04W4/00 ,  H04W56/00 ,  H04W76/10 ,  H04W76/14 ,  H04W76/27 ,  H04W88/06

Abstract: Provided are a method for transmitting, by a terminal, a synchronization signal for a device-to-device (D2D) operation in a wireless communication system, and a terminal using the method. The method comprises the steps of: transmitting a synchronization signal for a D2D operation (D2D synchronization signal: D2DSS) in an RRC (radio resource control) idle state; entering an RRC connected state; and transmitting the D2DSS even after entering the RRC connected state if a certain condition is met.

公开(公告)号：US10314019B2

公开(公告)日：2019-06-04

申请号：US15868138

申请日：2018-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Hanbyul Seo ,  Seungmin Lee

IPC: G08C17/00 ,  H04W72/04 ,  H04L1/18 ,  H04L5/14 ,  H04W52/14 ,  H04W52/22 ,  H04W52/06 ,  H04W88/08 ,  H04W72/12 ,  H04W52/38 ,  H04W52/54

Abstract: A method for performing uplink power control by a user equipment, the method includes receiving downlink, DL, hybrid automatic repeat and request, HARQ configuration information indicating a uplink-downlink, UL-DL, configuration used as a DL HARQ reference configuration; receiving downlink control information, DCI, containing transmit power control, TPC, information; determining transmit power of a physical uplink control channel, PUCCH, carrying ACK/NACK information for a physical downlink shared channel, PDSCH, based on the TPC information; and transmitting the PUCCH with the transmit power of the PUCCH, wherein the transmit power of the PUCCH is determined based on the TPC information according to the DL HARQ reference configuration.

公开(公告)号：US10313066B2

公开(公告)日：2019-06-04

申请号：US15565895

申请日：2016-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Yunjung Yi ,  Suckchel Yang ,  Hanbyul Seo

IPC: H04L1/18 ,  H04L5/00 ,  H04W72/04 ,  H04L27/26 ,  H04W72/12 ,  H04W28/02 ,  H04W48/12 ,  H04W48/16

Abstract: The disclosure of the present specification provides a method for receiving a physical downlink shared channel (PDSCH) on a low-capability (LC) or low-cost (LC) device. The method may comprise the steps of: receiving repetition of a downlink control channel in the case that the LC device is set to coverage enhancement (CE); determining a last subframe where the reception is terminated; and determining a start subframe for receiving the repetition of the PDSCH on the basis of the last subframe. The reception of the PDSCH starts at the k-th effective subframe after subframe n, and the subframe n may be the last subframe where the reception of the downlink control channel is terminated. K is greater than or equal to 2, and the effective subframe may be predetermined.