公开(公告)号：US20180007731A1

公开(公告)日：2018-01-04

申请号：US15544777

申请日：2016-01-20

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Joonkui AHN ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W76/04 ,  H04W24/08

CPC classification number: H04W76/20 ,  H04L5/001 ,  H04L5/005 ,  H04L5/0094 ,  H04W24/08 ,  H04W76/15 ,  H04W76/30

Abstract: A cell activation/deactivation method in a wireless communication system and an apparatus therefor are disclosed. Specifically, a method for activating/deactivating a secondary cell (SCell) by a UE in a wireless communication system supporting carrier aggregation includes: receiving an SCell addition related message from an eNB; partially activating one or more first SCell when a partial activation related message for the first SCell from among a plurality of SCells added according to the SCell addition related message is received from the eNB; and fully activating one or more second SCell when a full activation related message for the second SCell from among the plurality of SCells added according to the SCell addition related message is received from the eNB, wherein normal SCell operations are applied to the second SCell and only some of the normal SCell operations are applied to the first SCell.

公开(公告)号：US20170366997A1

公开(公告)日：2017-12-21

申请号：US15533298

申请日：2015-12-23

Applicant: LG ELECTRONICS INC.

Inventor： Kijun KIM ,  Joonkui AHN ,  Hanbyul SEO ,  Seungmin LEE ,  Jonghyun PARK

IPC: H04W24/10

Abstract: A method for reporting channel state for an unlicensed band in a wireless communication system, according to an embodiment of the present invention, is performed by a terminal, and may comprises the steps of: blind-detecting a reference signal in an unlicensed band cell (UCell) subframe according to the setting of a plurality of channel state reports; determining, according to the blind detection result, whether or not the UCell subframe is an available resource for the channel state reports; and if the UCell subframe is determined to be an available resource for the channel state reports, calculating a value for the channel state reports using the reference signal detected in the UCell subframe.

公开(公告)号：US20170338932A1

公开(公告)日：2017-11-23

申请号：US15529964

申请日：2015-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Suckchel YANG ,  Joonkui AHN ,  Seungmin LEE

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0055 ,  H04L5/001 ,  H04L5/0092 ,  H04W72/042 ,  H04W72/0453

Abstract: Disclosed is a method for receiving, by a terminal which has been assigned multiple component carrier groups, control information in a wireless communication system, the method comprising the steps of: receiving control information for the multiple component carrier groups; and receiving data information via component carriers that belong to the multiple component carrier groups using the received control information, wherein the control information may comprise multiplex control information for each of the multiple component carrier groups, or single control information for the component carriers included in each of the multiple component carrier groups.

公开(公告)号：US20170311344A1

公开(公告)日：2017-10-26

申请号：US15517919

申请日：2015-10-21

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin LEE ,  Hanbyul SEO

IPC: H04W72/12 ,  H04W28/06 ,  H04L27/38 ,  H04L5/00 ,  H04L1/18 ,  H04W74/08 ,  H04L1/00

CPC classification number: H04W72/1289 ,  H04L1/0025 ,  H04L1/1812 ,  H04L5/0007 ,  H04L27/3836 ,  H04W28/06 ,  H04W56/00 ,  H04W72/12 ,  H04W74/08 ,  H04W74/0833

Abstract: The present invention relates to a method and apparatus for monitoring a downlink control channel by a first terminal having a single RX chain in a wireless communication system. Specifically, the present invention comprises the steps of: setting a particular gap for a resource area related to device-to-device (D2D) signal transmission/reception; and monitoring a wide area network (WAN) communication-based downlink control channel on the basis of a timer performed according to a discontinuous reception (DRX) operation, wherein the timer is counted on the basis of at least one subframe which does not overlap with the particular gap, and the particular gap is a time interval set for allowing the single RX chain to cover a switching operation between WMN communication and D2D communication.

公开(公告)号：US20170289974A1

公开(公告)日：2017-10-05

申请号：US15608434

申请日：2017-05-30

Applicant: LG ELECTRONICS INC.

Inventor： Jihyun LEE ,  Inkwon SEO ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W72/04 ,  H04W48/12 ,  H04L1/18 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L1/1893 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0053 ,  H04W48/12 ,  H04W48/16 ,  H04W72/044

Abstract: A method for receiving a downlink control signal by a user equipment (UE) in a wireless communication system, the method includes monitoring the plurality of enhanced physical downlink control channel (EPDCCH) candidates in an EPDCCH set to decode an EPDCCH transmitted from a base station (BS) using the minimum aggregation level; decoding the EPDCCH transmitted from the BS; and receiving a physical downlink shared channel (PDSCH) corresponding to the decoded EPDCCH, wherein a minimum aggregation level for a plurality of EPDCCH candidates is determined as 2 if both a downlink (DL) bandwidth includes at least 25 resource blocks (RBs) and a downlink control information (DCI) format is one of DCI formats 2, 2A, 2B, 2C and 2D.

公开(公告)号：US20170215172A1

公开(公告)日：2017-07-27

申请号：US15326013

申请日：2015-08-06

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Seungmin LEE ,  Seonwook KIM

IPC: H04W72/04 ,  H04L5/00 ,  H04L27/26 ,  H04L1/18 ,  H04W16/14

CPC classification number: H04W52/367 ,  H04B7/0626 ,  H04B7/26 ,  H04L1/18 ,  H04L1/1864 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/14 ,  H04L27/2601 ,  H04W16/14 ,  H04W52/146 ,  H04W52/281 ,  H04W52/34 ,  H04W52/365 ,  H04W52/38 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0473

Abstract: The present invention provides a method and a device for transmitting/receiving an uplink signal on one cell (hereinafter, referred to as a specific cell) among a plurality of cells under a carrier aggregation situation in which the plurality of cells are aggregated. In one embodiment of the present invention, when the specific cell is a cell set in an unlicensed band, the specific cell is included in uplink grant downlink control information including a hybrid automatic repeat request (HARQ) process number field. Therefore, an asynchronous UL HARQ can be performed on the specific cell.

公开(公告)号：US20170207885A1

公开(公告)日：2017-07-20

申请号：US15508891

申请日：2015-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin LEE ,  Suckchel YANG ,  Hanbyul SEO

IPC: H04L1/18 ,  H04W72/12

CPC classification number: H04L1/1835 ,  H04L1/1822 ,  H04L5/00 ,  H04W28/14 ,  H04W72/1215

Abstract: The present invention relates to a method and apparatus for operating a soft buffer for device-to-device (D2D) communication and eNode B-to-device (E2D) communication of a terminal in a wireless communication system. Specifically, the present invention comprises the steps of: receiving D2D communication data; and storing the D2D communication data in a soft buffer of a specific downlink hybrid automatic repeat and request (HARQ) process, wherein the specific downlink HARQ process is configured to support D2D communication among a plurality of downlink HARQ processes configured for E2D communication, and the step of storing the D2D communication data comprises: when E2D data are already stored in all soft buffer areas associated with the plurality of downlink HARQ processes, discarding the E2D data already stored in the soft buffer area of the specific downlink HARQ process and storing the D2D communication data therein.

公开(公告)号：US20170181022A1

公开(公告)日：2017-06-22

申请号：US15325390

申请日：2015-07-28

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Hanbyul SEO ,  Seungmin LEE ,  Joonkui AHN

IPC: H04W24/10

CPC classification number: H04W24/10 ,  H04B7/0456 ,  H04B7/0647 ,  H04B7/0689 ,  H04L1/0026 ,  H04L1/0027 ,  H04W16/14 ,  H04W72/085

Abstract: The present invention relates to a wireless communication system and, specifically, to a method and an apparatus therefor, the method comprising the steps of: configuring a plurality of cells for communication with a base station; receiving CSI configuration information including period and offset information for periodic CSI reporting; and when periodic transmission timings of a plurality of CSIs collide in a subframe #n, transmitting only one CSI of the plurality of CSIs, wherein when cells corresponding to the plurality of CSIs are all licensed cells, the one CSI is first selected using priority according to the CSI reporting type, and when the cells corresponding o the plurality of CSIs include both licensed band cells and unlicensed band cells, the one CSI is selected from among CSIs corresponding to the unlicensed band cells, irrespective of the CSI reporting type.

公开(公告)号：US20170171874A1

公开(公告)日：2017-06-15

申请号：US15327359

申请日：2015-07-23

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Hanbyul SEO ,  Inkwon SEO ,  Seungmin LEE ,  Youngtae KIM

IPC: H04W72/12 ,  H04L12/741 ,  H04L5/00 ,  H04W40/22 ,  H04W76/02 ,  H04W56/00

CPC classification number: H04W72/12 ,  H04B7/2606 ,  H04L5/0048 ,  H04L45/74 ,  H04W28/02 ,  H04W28/06 ,  H04W40/22 ,  H04W56/002 ,  H04W76/14 ,  H04W88/04

Abstract: The present invention relates to methods for efficiently relaying device to device (D2D) data utilizing a relay terminal (rUE) in a wireless access system supporting D2D communication, and apparatuses for supporting the methods. As one example of the present invention, a method for relaying D2D data by a relay terminal in a wireless access system supporting D2D communication may comprise the steps of: receiving a scheduling allocation (SA) signal for allocating a resource area where the D2D data are transmitted; receiving at least one D2D data; and relaying, from among the at least one D2D data, only the first D2D data received from a terminal out of coverage. The first D2D data among the at least one D2D data can be detected on the basis of a SA signal and a medium access control header relating to the at least one D2D data.

公开(公告)号：US20170055275A1

公开(公告)日：2017-02-23

申请号：US15305638

申请日：2015-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin LEE ,  Hanbyul SEO ,  Jihyun LEE ,  Hakseong KIM ,  Hyukjin CHAE

IPC: H04W72/12 ,  H04W72/04

CPC classification number: H04W72/12 ,  H04B7/26 ,  H04W8/005 ,  H04W48/16 ,  H04W56/00 ,  H04W72/0446 ,  H04W76/14 ,  H04W92/18

Abstract: The present invention relates to a method and a device for transmitting, by a first terminal, a device-to-device (D2D) signal in a wireless communication system. Particularly, the method comprises the steps of: performing D2D transmission scheduling for a device-to-device synchronization signal (D2DSS) and a device-to-device channel (D2DCH); and transmitting a D2D signal on a first D2D subframe among a plurality of D2D subframes, wherein the first D2D subframe is a D2D subframe in which a D2D synchronization signal transmission for the first terminal is configured among D2D subframes configured to enable a D2D synchronization signal transmission, and the D2D signal drops the D2DCH when the D2DSS and the D2DCH are simultaneously scheduled on the first D2D subframe.

Abstract translation: 本发明涉及一种在无线通信系统中由第一终端发送设备到设备（D2D）信号的方法和设备。 特别地，该方法包括以下步骤：对设备到设备同步信号（D2DSS）和设备到设备信道（D2DCH）执行D2D传输调度; 以及在多个D2D子帧中的第一D2D子帧上发送D2D信号，其中，所述第一D2D子帧是D2D子帧，其中D2D同步信号传输用于第一终端，被配置为启用D2D同步信号传输的D2D子帧 ，并且当在第一D2D子帧上同时调度D2DSS和D2DCH时，D2D信号丢弃D2DCH。