公开(公告)号：US20180213501A1

公开(公告)日：2018-07-26

申请号：US15417022

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Kwangseok NOH ,  Dongkyu KIM ,  Hojae LEE ,  Myeongjin KIM

IPC: H04W56/00 ,  H04L12/26 ,  H04W74/08 ,  H04L27/26 ,  H04W28/02

CPC classification number: H04W56/0045 ,  H04L27/2646 ,  H04L43/0864 ,  H04W28/0215 ,  H04W74/0833

Abstract: A method of transmitting a signal by adaptively controlling windowing or filtering by a user equipment in a wireless communication system, includes the steps of receiving a message including a timing advance (TA) value from a base station, determining a windowing type or a filtering type corresponding to the TA value, and transmitting an uplink signal to which the determined windowing type is applied. In this case, the windowing type is distinguished according to a length of a valid symbol and the filtering type can be distinguished according to a filter coefficient value.

公开(公告)号：US20180205579A1

公开(公告)日：2018-07-19

申请号：US15743621

申请日：2015-11-12

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Dongkyu KIM ,  Hyunsoo KO ,  Kwangseok NOH ,  Hojae LEE

IPC: H04L25/03 ,  H04L5/14 ,  H04L25/02

CPC classification number: H04L25/03 ,  H04B1/525 ,  H04J11/0036 ,  H04J11/0063 ,  H04L5/0032 ,  H04L5/14 ,  H04L5/1461 ,  H04L25/0202 ,  H04L25/03146

Abstract: A method for estimating a nonlinear self-interference channel in a wireless channel system, according to the present invention, can further comprise the steps of: applying a first sequence to a first symbol; applying, to a second symbol, a sequence of which a phase is shifted from that of the first sequence by π/2; and transmitting the first symbol and the second symbol.

公开(公告)号：US20180123710A1

公开(公告)日：2018-05-03

申请号：US15566683

申请日：2015-11-12

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Hyunsoo KO ,  Kwangseok NOH ,  Sangrim LEE ,  Hojae LEE

IPC: H04B17/345 ,  H04B17/10 ,  H04B17/21 ,  H04L5/14

CPC classification number: H04B17/345 ,  H04B17/10 ,  H04B17/21 ,  H04B17/24 ,  H04L1/00 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0015 ,  H04L5/14

Abstract: A method for stably operating an FDR mode by a terminal in a wireless communication system supporting the full-duplex radio (FDR) mode comprises the steps of: if a residual self-interference signal is changed to a predetermined threshold or higher in a terminal, transmitting information about the changed residual self-interference signal to a base station; and receiving from the base station a downlink signal on the basis of a modulation and coding scheme (MCS) level that corresponds to the information about the changed residual self-interference signal.

公开(公告)号：US20180049141A1

公开(公告)日：2018-02-15

申请号：US15550757

申请日：2015-02-13

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Eunjong LEE ,  Jinmin KIM ,  Kwangseok NOH ,  Sangrim LEE

IPC: H04W56/00 ,  H04B7/06 ,  H04W16/06 ,  H04W28/02 ,  H04L5/00

CPC classification number: H04W56/001 ,  H04B3/10 ,  H04B7/0617 ,  H04B7/0695 ,  H04B7/088 ,  H04L5/0048 ,  H04L5/005 ,  H04L27/3455 ,  H04L27/3836 ,  H04W16/06 ,  H04W28/0289 ,  H04W56/0015 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention provides a method for hybrid scanning to reduce overhead in a beam scanning scheme in a millimeter wave (mmWave) system, and devices supporting same. The method for hybrid scanning in a wireless access system supporting millimeter wave technology, according to one embodiment of the present invention, comprises the steps of: receiving a synchronization signal to synchronize with a base station; synchronizing with the base station using the synchronization signal; receiving, from the base station, first pilot signals having different configuration patterns according to each transmitting antenna; ray-scanning using the first pilot signals; selecting a candidate beamforming port set through the ray-scanning; generating second pilot signals having different configuration patterns according to each beamforming port included in the candidate beamforming port set; and transmitting, to the base station, the second pilot signals to perform beam scanning with the base station.

公开(公告)号：US20180019901A1

公开(公告)日：2018-01-18

申请号：US15550349

申请日：2016-02-25

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Hyunsoo KO ,  Kwangseok NOH ,  Dongkyu KIM ,  Sangrim LEE

IPC: H04L27/26 ,  H04L12/26 ,  H04W8/00 ,  H04W74/08 ,  H04W48/12 ,  H04W56/00

CPC classification number: H04W56/0005 ,  H04B7/0695 ,  H04L5/0026 ,  H04L5/0048 ,  H04L27/26 ,  H04L27/2613 ,  H04L27/2692 ,  H04L43/04 ,  H04L43/08 ,  H04W8/005 ,  H04W48/12 ,  H04W56/00 ,  H04W56/0045 ,  H04W74/08 ,  H04W74/0833

Abstract: A method for accessing a millimeter wave cell by a terminal in a wireless communication system supporting a millimeter wave according to an embodiment of the present invention comprises the steps of: receiving a millimeter wave link connection configuration message from a legacy cell that is radio resource control (RRC)-connected to the terminal; measuring discovery signals from the millimeter wave cells located around the terminal on the basis of the millimeter wave link connection configuration message; and transmitting a first type random access preamble to one of the millimeter wave cells on the basis of a result of the measuring of the discovery signals, wherein the measuring of the discovery signals is performed on the basis of a signal detection wave form that is specifically configured for each millimeter wave cell.

公开(公告)号：US20170332340A1

公开(公告)日：2017-11-16

申请号：US15541618

申请日：2015-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Eunjong LEE ,  Jinmin KIM ,  Kukheon CHOI ,  Sangrim LEE

IPC: H04W64/00 ,  G01S5/02 ,  H04L5/14

CPC classification number: H04W64/00 ,  G01S5/02 ,  G01S5/0252 ,  H04L5/14

Abstract: The present invention relates to a method for positioning multiple user equipments (UEs) by a base station in a wireless communication system supporting full-duplex communication and an apparatus therefor. More specifically, the present invention comprises: setting a unit distance on the basis of the magnitude of inter-device interference (IDI) with respect to a first UE; and establishing multiple boundaries around each of the multiple UEs and the base station according to relative distances on the basis of the unit distance and checking whether the boundaries overlap each other. Here, the relative distances indicate with respect to the multiple UEs, measured on the basis of the magnitude of inter-device interference (IDI).

公开(公告)号：US20170325164A1

公开(公告)日：2017-11-09

申请号：US15520689

申请日：2015-04-07

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong LEE ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH ,  Sangrim LEE

IPC: H04W52/02 ,  H04W72/04 ,  H04W76/04

CPC classification number: H04W52/0216 ,  H04W72/042 ,  H04W76/27 ,  H04W76/28 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/24

Abstract: A method for monitoring a downlink control channel in a wireless communication system and an apparatus for the method are disclosed. More specifically, a method for monitoring a downlink control channel of a user equipment (UE) in a wireless communication system comprises receiving, by the UE, configuration information of a first discontinuous reception (DRX) mode based on a first transmission time interval (TTI) and configuration information of a second DRX mode based on a second TTI from an evolved-NodeB (eNB); and monitoring, by the UE, a first downlink control channel in a first DRX listening interval within a first DRX cycle based on the configuration information of the first DRX mode and a second downlink control channel in a second DRX listening interval within a second DRX cycle based on the configuration information of the second DRX mode, wherein the second DRX cycle is set to be shorter than the first DRX cycle.

公开(公告)号：US20170303224A1

公开(公告)日：2017-10-19

申请号：US15516606

申请日：2016-02-23

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Hyunsoo KO ,  Kwangseok NOH ,  Dongkyu KIM ,  Sangrim LEE

IPC: H04W56/00 ,  H04W74/08

CPC classification number: H04L27/26 ,  H04B7/0695 ,  H04L5/0026 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2692 ,  H04L43/04 ,  H04L43/08 ,  H04W8/005 ,  H04W48/12 ,  H04W56/00 ,  H04W56/0005 ,  H04W56/0045 ,  H04W74/08 ,  H04W74/0833

Abstract: A method for performing uplink synchronization by a terminal in a millimeter wave (mmWave)-based wireless communication system according to an embodiment of the present invention comprises the steps of: repeatedly transmitting a first type random access preamble through a plurality of coarse beams that are sequentially formed for different directions; performing a first timing advance (TA) adjustment on the basis of a response of a base station with respect to a repeated transmission of the first type random access preamble; and transmitting a second type random access preamble through at least one fine beam having a smaller beam width than the coarse beams, wherein the sequence of the second type random access preamble transmitted after the first TA adjustment is configured to be shorter than the sequence of the first type random access preamble on the time axis.

公开(公告)号：US20170294976A1

公开(公告)日：2017-10-12

申请号：US15513062

申请日：2015-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Genebeck HAHN ,  Jaehoon CHUNG ,  Eunjong LEE ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH ,  Sangrim LEE

IPC: H04B17/24 ,  H04W24/10 ,  H04W16/28 ,  H04B17/345 ,  H04J11/00

CPC classification number: H04B17/24 ,  H04B17/345 ,  H04J11/0026 ,  H04W16/24 ,  H04W16/28 ,  H04W24/10

Abstract: According to one embodiment of the present invention, a method by which a fixed base station adjusts inter-cell interference in a wireless communication system comprises the steps of: receiving channel state information-reference signal (CSI-RS) configurations on an access link of each moving cell connected to the fixed base station; determining the CSI-RS configuration on a backhaul link of a first moving cell among the moving cells on the basis of the CSI-RS configurations on the access link; and providing, to the first moving cell, the CSI-RS configuration on the determined backhaul link, wherein the CSI-RS configuration on the determined backhaul link is for measuring, by the backhaul link of the first moving cell, the interference received from an access link of a second moving cell among the moving cells.

公开(公告)号：US20170264465A1

公开(公告)日：2017-09-14

申请号：US15249119

申请日：2016-08-26

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Jaehoon CHUNG ,  Kwangseok NOH ,  Dongkyu KIM ,  Hojae LEE

IPC: H04L25/02 ,  H04L5/14 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04L25/0224 ,  H04L5/0051 ,  H04L5/0094 ,  H04L5/1469 ,  H04L25/023

Abstract: A method for transmitting information related to a sounding reference signal (SRS) transmission by a base station (BS) of a full duplex radio (FDR) mode in a wireless communication system includes: transmitting information related to a resource region to be used for the SRS transmission to a user equipment of the FDR mode within a resource region configured as an uplink (UL) idle interval; receiving a SRS through the resource region for the SRS transmission from the user equipment; performing an uplink (UL) channel estimation based on the received SRS; and performing a downlink (DL) channel estimation by applying a channel reciprocity characteristic to a result of the uplink (UL) channel estimation.