公开(公告)号：US10681656B2

公开(公告)日：2020-06-09

申请号：US15304802

申请日：2015-05-08

Applicant: LG ELECTRONICS INC.

Inventor： Hakseong Kim ,  Hanbyul Seo

IPC: H04J3/06 ,  H04W56/00 ,  H04W76/10 ,  H04W76/27 ,  H04W76/14 ,  H04W72/12 ,  H04W8/00

Abstract: The present document relates to a method for processing a signal when a plurality of signals are to be received or transmitted in a specific time interval (e.g., a sub-frame) in a wireless communication system supporting direct communication between terminals, i.e., D2D communication, and an apparatus therefor. To this end, when a terminal is to receive a plurality of signals including a discovery signal, a D2D synchronization signal, a resource allocation signal, and a D2D communication signal at a specific time point, the corresponding terminal may preferentially select and process a specific signal from among the plurality of signals.

公开(公告)号：US10609683B2

公开(公告)日：2020-03-31

申请号：US16160198

申请日：2018-10-15

Applicant: LG ELECTRONICS INC.

Inventor： Hakseong Kim ,  Hanbyul Seo

IPC: H04W72/04 ,  H04W76/14 ,  H04W76/27 ,  H04W72/12 ,  H04W88/04

Abstract: The present document relates to a method for a base station to efficiently indicate, to a transceiving terminal, a resource region to which control information and data are to be transmitted in a wireless communication system supporting direction communication between terminals, that is, D2D communication, and an apparatus therefor. To that end, the transmitting terminal receives, from a base station, resource allocation information associated with D2D communication, and on the basis of the resource allocation information received from the base station, transmits, to a receiving terminal, control information (SA) for D2D communication and data corresponding to the control information, wherein the resource allocation information comprises first resource region information for transmitting the control information, and the transmitting terminal acquires, on the basis of the first resource region information, a second resource region information for transmitting the data.

公开(公告)号：US10574515B2

公开(公告)日：2020-02-25

申请号：US15315964

申请日：2015-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Seungmin Lee ,  Hakseong Kim ,  Byounghoon Kim ,  Joonkui Ahn

IPC: H04L12/24 ,  H04L5/00 ,  H04W72/04 ,  H04W72/12 ,  H04W88/02

Abstract: The present invention relates to a wireless access system supporting an unlicensed band, and provides a method for configuring a transmission opportunity (TxOP) section, and devices for supporting the same. The method for configuring a transmission opportunity (TxOP) section in a wireless access system supporting carrier aggregation (CA) with an unlicensed band, in one embodiment of the present invention, comprises the steps of: receiving, by a terminal, TxOP start information for indicating the start of the TxOP section; receiving orthogonal frequency division multiplexing (OFDM) symbol position information for indicating an OFDM symbol starting data transmission and reception in the TxOP section; and transmitting and receiving the data in a subframe (SF) of an S cell indicated by the TxOP start information on the basis of the OFDM symbol position information.

公开(公告)号：US10448399B2

公开(公告)日：2019-10-15

申请号：US15572736

申请日：2015-10-26

Applicant: LG ELECTRONICS INC. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Hakseong Kim ,  Daeho Kang ,  Saewoong Bahk ,  Seungbeom Jeong ,  Changhee Joo

IPC: H04W72/04 ,  H04W76/14 ,  H04W4/06 ,  H04W72/12 ,  H04W72/14 ,  H04W72/00 ,  H04W4/70

Abstract: Disclosed are a method for transferring data in a wireless communication system that supports device-to-device communication, and an apparatus therefor. Specifically, a method for performing, by a device, data transfer in a wireless communication system that supports device-to-device communication, comprises the steps of: broadcasting, at a first sub-carrier, a ready-to-forward (RTF) signal for advertising that the device holds data to transfer; receiving, at a second sub-carrier, a forward-request (FR) signal for requesting transfer of the data from another device; and broadcasting the data after a predetermined time, wherein the first sub-carrier and the second sub-carrier are determined on the basis of sequence numbers of the data, respectively.

公开(公告)号：US10404396B2

公开(公告)日：2019-09-03

申请号：US15966593

申请日：2018-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Byounghoon Kim ,  Hakseong Kim

IPC: H04W72/04 ,  H04J11/00 ,  H04W56/00 ,  H04W72/12 ,  H04W76/14 ,  H04W92/18 ,  H04W88/06

Abstract: Disclosed is a method for transmitting, by a terminal, a synchronization signal for direct communication between terminals in a wireless communication system. In detail, the method comprises the steps of: generating a primary synchronization signal and a secondary synchronization signal for the direct communication between terminals; and transmitting the primary synchronization signal and the secondary synchronization signal, wherein the primary synchronization signal is generated on the basis of a synchronization reference cell identifier for the direct communication between terminals.

公开(公告)号：US10375687B2

公开(公告)日：2019-08-06

申请号：US16241457

申请日：2019-01-07

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Hakseong Kim

IPC: H04W72/00 ,  H04W72/04 ,  H04W72/12 ,  H04L5/00 ,  H04B7/26 ,  H04W8/00

Abstract: A method of transmitting uplink data, by a user equipment (UE) in a wireless communication system is discussed. The method includes receiving a physical downlink control channel (PDCCH), which is scrambled with a semi-persistent scheduling (SPS)—radio network temporary identifier (RNTI) (SPS-RNTI) and includes a downlink control information (DCI) format 0; validating an SPS uplink scheduling assignment based on the received PDCCH; and transmitting the uplink data based on the SPS uplink scheduling assignment.

公开(公告)号：US10362490B2

公开(公告)日：2019-07-23

申请号：US15125103

申请日：2015-03-24

Applicant: LG ELECTRONICS INC.

Inventor： Sunghoon Jung ,  Hanbyul Seo ,  Youngdae Lee ,  Hakseong Kim

IPC: H04W16/18 ,  H04W72/04 ,  H04W56/00 ,  H04W72/08 ,  H04W76/14 ,  H04W48/16

Abstract: Provided are a method for determining cell coverage for a device-to-device (D2D) operation performed by a terminal in a wireless communication system, and a terminal using the method. The method comprises: receiving a specific signal which is repeatedly transmitted from a cell; determining whether successful detection of the specific signal is maintained for at least a specific amount of time; and declaring that the specific signal is beyond the cell coverage, when the successful detection of the specific signal is not maintained for at least the specific amount of time.

公开(公告)号：US10334615B2

公开(公告)日：2019-06-25

申请号：US15385250

申请日：2016-12-20

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Hakseong Kim ,  Byounghoon Kim

IPC: H04W72/12 ,  H04L5/00 ,  H04W72/04 ,  H04B7/26 ,  H04W56/00 ,  H04L29/06 ,  H04W8/00 ,  H04W76/27 ,  H04J11/00 ,  H04L5/14

Abstract: A method is provided for transmitting, by a User Equipment (UE), a Device-to-Device (D2D) signal in a Long Term Evolution (LTE) Time Division Duplex (TDD) system. The UE receives, from a Base Station (BS), information on a Timing Advance (TA). The UE acquires a timing of an uplink (UL) subframe by applying the TA and a predetermined timing offset to a timing of a downlink (DL) subframe. The UE transmits a D2D discovery signal in a first D2D subframe configured for a D2D link. A transmission timing of the first D2D subframe is determined by applying only the predetermined timing offset to the timing of the DL subframe.

公开(公告)号：US10334597B2

公开(公告)日：2019-06-25

申请号：US15123580

申请日：2015-03-30

Applicant: LG Electronics Inc.

Inventor： Hanbyul Seo ,  Hakseong Kim ,  Joonkui Ahn

IPC: H04W72/04 ,  H04W72/12 ,  H04W8/00 ,  H04W92/18

Abstract: The present invention provides a method for transmitting and receiving a signal for device-to-device (D2D) communication and an apparatus therefor, which are used in a wireless access system supporting D2D communication. A method for a device transmitting and receiving a signal according to one aspect of the present invention may comprise the steps of: identifying signals that are scheduled for a particular subframe configured for D2D transmission and reception; determining whether the scheduled signals overlap; and transmitting the scheduled signals on the basis of a pre-determined priority if the scheduled signals overlap. To this end, the priority may be determined based on the type of signal. More preferably, the priority may be determined in the order of a synchronization signal, a D2D communication signal and a D2D discovery signal.

公开(公告)号：US10129898B2

公开(公告)日：2018-11-13

申请号：US15308820

申请日：2015-06-22

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Hakseong Kim

IPC: H04L12/26 ,  H04W72/08 ,  H04W88/02

Abstract: The present invention relates to a wireless communication system, and a method for determining a resource for device-to-device communication by a user equipment is disclosed. A method for determining a resource for device-to-device communication according to an embodiment of the present invention may comprise the steps of: receiving, from an eNode B (eNB), configuration information related to a resource pool configured for each level; selecting the resource pool of the device-to-device communication on the basis of the configuration information; and selecting a resource for the device-to-device communication in the resource pool. Herein, the resource pool may be configured to have two or more levels.