公开(公告)号：US20180102817A1

公开(公告)日：2018-04-12

申请号：US15565081

申请日：2016-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Byounghoon KIM ,  Youngwoo YUN ,  Kijun KIM ,  Haewook PARK

IPC: H04B7/0417 ,  H04B7/06

CPC classification number: H04B7/0417 ,  H04B7/04 ,  H04B7/06 ,  H04B7/0626 ,  H04L5/001 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/03

Abstract: According to the present specification, a method for reporting channel state information (CSI) in a wireless communication system, which is performed by a UE includes: transmitting UE capability information including second control information indicating the total number of CSI-RS resources which are maximally supported in one CSI process to a base station.Therefore, there is an effect that implementation complexity of the UE can be reduced.

公开(公告)号：US20180098234A1

公开(公告)日：2018-04-05

申请号：US15284393

申请日：2016-10-03

Applicant: LG ELECTRONICS INC.

Inventor： Kijun KIM ,  Jonghyun PARK ,  Hanbyul SEO ,  Hanjun PARK

IPC: H04W24/08 ,  H04L5/00

CPC classification number: H04L5/0053 ,  H04B7/024 ,  H04B7/0478 ,  H04B7/065 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0057

Abstract: A method of reporting channel state information (CSI) on a terminal in which a plurality of CSI processes are configured in a wireless communication system according to an embodiment of the present invention includes: measuring a channel based on a CSI reference signal (RS) resource related to one of the CSI processes; measuring interference based on a CSI-interference measurement (IM) resource related to the CSI process; determining CSI based on the measured channel and the measured interference; and reporting the CSI through an uplink channel, wherein a codebook for reporting the CSI, which is used for determining the CSI, is one of two or more codebooks that correspond independently to each of the CSI processes.

公开(公告)号：US20180097603A1

公开(公告)日：2018-04-05

申请号：US15567554

申请日：2016-05-12

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Suckchel YANG ,  Seungmin LEE ,  Kijun KIM

IPC: H04L5/00 ,  H04L1/18 ,  H04W24/10 ,  H04B7/06 ,  H04B7/0417

CPC classification number: H04L5/0057 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/0643 ,  H04B7/065 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0031 ,  H04L1/1887 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0091 ,  H04W24/10 ,  H04W72/0413

Abstract: A method by which a terminal reports an aperiodic channel state in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving an aperiodic channel state information (CSI) report request from a base station; and calculating the aperiodic CSI with respect to a CSI to be measured, which is indicated by the aperiodic CSI report request so as to transmit the calculated aperiodic CSI to the base station, wherein the aperiodic CSI report request indicates a report for one of a plurality of aperiodic CSI report sets, and the number of individual CSI reports included in each of the plurality of aperiodic CSI report sets can be independently set according to each aperiodic CSI report set.

公开(公告)号：US20180035447A1

公开(公告)日：2018-02-01

申请号：US15126992

申请日：2015-04-14

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hanbyul SEO ,  Jihyun LEE ,  Seungmin LEE ,  Myoungseob KIM ,  Daewon SEO ,  Hyukjin CHAE ,  Kijun KIM ,  Inkwon SEO

IPC: H04W72/12 ,  H04W76/02

CPC classification number: H04W72/1263 ,  H04L1/1887 ,  H04W72/02 ,  H04W72/1278 ,  H04W76/14

Abstract: Disclosed is a method for retransmitting scheduling assignment (SA) information between half-duplex user equipment in a wireless communication system. The method for retransmitting SA information may comprise the steps of: receiving, through a first resource area, a D2D signal including first SA information transmitted by a second user equipment, and second SA information transmitted by a third user equipment; if the target user equipment of the second SA information is the second user equipment, determining whether to retransmit the second SA information for the second user equipment; and if it is determined to retransmit the second information, transmitting the second information through a second resource area.

公开(公告)号：US20180034525A1

公开(公告)日：2018-02-01

申请号：US15548715

申请日：2016-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Hyungtae KIM ,  Youngtae KIM ,  Kunil YUM

IPC: H04B7/06 ,  H04W72/04 ,  H04B17/24

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0628 ,  H04B17/24 ,  H04L5/00 ,  H04L5/0053 ,  H04W24/10 ,  H04W72/0406 ,  H04W72/0413

Abstract: A method for feeding back channel state information (CSI) in a wireless communication system, carried out by a terminal, according to the present specification comprises the steps of: transmitting, to a base station, capability information of the terminal for CSI-related action; receiving configuration information for the CSI-related action from the base station; tracking partially activated CSI reference signal (RS); measuring fully activated CSI-RS; and reporting the results of the measurement to the base station.

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：US20180007683A1

公开(公告)日：2018-01-04

申请号：US15636985

申请日：2017-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun YOU ,  Kijun KIM ,  Soocheol KYEONG ,  Bonghoe KIM ,  Kwangseok NOH

IPC: H04W72/04 ,  H04L1/00 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W72/0413 ,  H04L1/0009 ,  H04L1/0067 ,  H04L1/1819 ,  H04W72/0446 ,  H04W72/0466 ,  H04W88/02 ,  H04W88/08

Abstract: Disclosed herein are a method and apparatus for transmitting/receiving an uplink signal. A user equipment receives information indicating a data transmission code rate for uplink data. The user equipment channel-codes the uplink data using a channel code corresponding to a channel code rate. The channel code rate is determined among a plurality of predefined channel code rates based on the data transmission code rate. The user equipment transmits the channel coded uplink data.

公开(公告)号：US20180006864A1

公开(公告)日：2018-01-04

申请号：US15541214

申请日：2016-01-12

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Kijun KIM ,  Bonghoe KIM ,  Yunjung YI

IPC: H04L27/26

CPC classification number: H04L27/2649 ,  H04L5/001 ,  H04L5/0012 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0094 ,  H04L5/14 ,  H04L27/261 ,  H04L27/2613

Abstract: One embodiment of the present specification provides a method by which a machine type communication (MTC) device configured to operate only in some bands among the system bands of a cell transmits a demodulation reference signal (DMRS) for the demodulation of uplink data. The method can comprise the steps of: selecting any one DMRS sequence among a plurality of sets of DMRS sequences having a length M according to a group hopping number and allocation area information of a sub-physical resource block (PRB), when an uplink signal is transmitted through the sub-PRB including the M number of subcarriers which is less than twelve subcarriers; and mapping the selected DMRS sequence on the M number of subcarriers of the sub-PRB, and transmitting the same.

公开(公告)号：US20170373738A1

公开(公告)日：2017-12-28

申请号：US15543528

申请日：2016-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Youngtae KIM ,  Kijun KIM

IPC: H04B7/06 ,  H04L27/26 ,  H04W72/04

CPC classification number: H04B7/0617 ,  H04B7/0626 ,  H04L5/00 ,  H04L27/26 ,  H04L27/2614 ,  H04L27/2636 ,  H04W72/04

Abstract: An embodiment of the present invention provides a method for generating a device-to-device (D2D) signal by a terminal in a wireless communication system, the method for generating a D2D signal comprising: a step of mapping, onto one or more resource block (RB) groups, each of one or more modulation symbol groups generated from one or more transmission blocks; and a step for applying different beam vectors to each of the one or more RB groups, wherein the number of beam vectors is determined according to a channel state.

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.