公开(公告)号：US20190335426A1

公开(公告)日：2019-10-31

申请号：US16309896

申请日：2017-02-08

Applicant: LG ELECTRONICS INC.

Inventor： Kyuseok KIM ,  Kilbom LEE ,  Kijun KIM ,  Minki AHN ,  Kukheon CHOI

IPC: H04W72/04 ,  H04L5/00 ,  H04W72/02 ,  H04W56/00 ,  H04W48/08

Abstract: Disclosed in the present specification is a method by which a terminal transmits and receives a synchronization signal in a wireless communication system, comprising the steps of: receiving, from a base station, a synchronization signal and an extended synchronization signal, which are repeatedly transmitted a predetermined number of times for each beam; acquiring time and frequency synchronization with the base station on the basis of the received synchronization signal and the received extended synchronization signal; and receiving a beam reference signal related to beam selection from the base station.

公开(公告)号：US20190165917A1

公开(公告)日：2019-05-30

申请号：US16098395

申请日：2016-06-08

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Hyunsoo KO ,  Sangrim LEE ,  Hojae LEE

IPC: H04L5/00 ,  H04W72/04 ,  H04W76/11 ,  H04L1/18 ,  H04L27/26

Abstract: Disclosed is an uplink communication method for: receiving data through an mmWave downlink from an mmWave base station; transmitting, to the mmWave base station, an ACK/NACK reply to the data and an mmWave uplink reference signal through an mmWave uplink; receiving, from the mmWave base station, an indicator indicating use of a legacy uplink instead of the mmWave uplink; shortening the length of a legacy TTI to correspond to the length of an mmWave TTI according to the indicator; and communicating with the mmWave base station through the legacy uplink using the shortened legacy TTI.

公开(公告)号：US20180324795A1

公开(公告)日：2018-11-08

申请号：US16035166

申请日：2018-07-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04L1/00 ,  H04W74/08 ,  H04W74/02 ,  H04W74/00 ,  H04W72/14 ,  H04W76/27 ,  H04W72/00 ,  H04W52/22 ,  H04L5/00 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system. In detail, the present invention is a method for transmitting data to a base station (BS) by a user equipment (UE) includes: receiving information on a contention-based Physical Uplink Shared Channel (PUSCH) zone including a plurality of contention-based PUSCH resource blocks from the base station (BS); allocating at least one contention-based PUSCH resource block for transmission of the data based on the information on contention-based PUSCH zone; and transmitting the data to the base station (BS).

公开(公告)号：US20180206250A1

公开(公告)日：2018-07-19

申请号：US15742014

申请日：2016-01-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/12

CPC classification number: H04W72/121 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0062 ,  H04L5/0094 ,  H04L25/0226 ,  H04L25/0228 ,  H04W72/1273 ,  H04W72/1289

Abstract: A method by which a base station transmits terminal grouping information in a non-orthogonal multiple access scheme can comprise the steps of: grouping terminals sharing the same frequency resource on the basis of any one of a data transmission rate requested by each terminal, scheduling impartiality among the terminal, and a timing distance of each terminal; and allocating reference symbols for each grouped terminal group such that the reference symbols do not overlap for each terminal group in a time domain.

公开(公告)号：US20180146445A1

公开(公告)日：2018-05-24

申请号：US15572030

申请日：2016-03-22

Applicant: LG ELECTRONICS INC.

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

IPC: H04W56/00 ,  H04W74/00 ,  H04W72/04

CPC classification number: H04W56/0055 ,  H04W8/186 ,  H04W56/00 ,  H04W72/042 ,  H04W74/002 ,  H04W74/006 ,  H04W74/08 ,  H04W88/08

Abstract: Disclosed is an asynchronous multiple access method and device for a low latency service. The asynchronous multiple access method for low latency service may include the steps of: grouping, by an eNB, each of a plurality of UEs into one UE group among a plurality of UE groups in consideration of each of a plurality of propagation delays of each of the plurality of UEs; receiving, by the eNB, each of a plurality of pieces of uplink data transmitted by each of the plurality of UE groups on each of a plurality of wireless resources allocated for each of the plurality of UE groups at an internal access timing; and transmitting, by the eNB to each of the plurality of UE groups, each of a plurality of ACKs/NACKs signals in response to each of a plurality of uplink frames, wherein the internal access timing can be periodically defined in a symbol unit for the synchronization of transmitting times of the plurality of pieces of uplink data.

公开(公告)号：US20180139753A1

公开(公告)日：2018-05-17

申请号：US15572625

申请日：2015-10-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04L5/14 ,  H04W72/08

CPC classification number: H04W72/0446 ,  H04L5/0058 ,  H04L5/14 ,  H04L5/1423 ,  H04W72/087 ,  H04W72/1284

Abstract: A method for allocating, by a base station, resources in a wireless communication system supporting a full duplex radio (FDR) technology, according to the present invention, may comprise the steps of: receiving, from a first terminal, a buffer status report (BSR) including an indicator which indicates the urgency of uplink data transmission; and determining, on the basis of the indicator, whether to allocate an uplink sub-frame for the first terminal in a situation where a downlink sub-frame is allocated to a second terminal during a specific time interval.

公开(公告)号：US20180041325A1

公开(公告)日：2018-02-08

申请号：US15521108

申请日：2015-03-05

Applicant: LG ELECTRONICS INC

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

IPC: H04L5/00 ,  H04W72/04

Abstract: Disclosed is a method for transmitting and receiving data by a user equipment (UE) in a wireless communication system supporting low latency includes receiving downlink (DL) control information including a transmission time interval (TTI) indication field indicating a short TTI in which low latency data is scheduled, from an eNB through a DL physical channel, and receiving the low latency data from the eNB through a scheduled short TTI on the basis of the received TTI indication field.

公开(公告)号：US20170332300A1

公开(公告)日：2017-11-16

申请号：US15517821

申请日：2015-10-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04W36/18 ,  H04W88/06 ,  H04W36/30

CPC classification number: H04W36/18 ,  H04W36/00 ,  H04W36/30 ,  H04W88/06 ,  H04W88/08

Abstract: The present invention relates to a wireless access system supporting millimeter waves (mmWave) and provides methods for performing fast fallback so as to avoid link disconnections and devices for supporting same. The method whereby a legacy base station supports the fast fallback of a mmWave terminal in a wireless access system supporting millimeter waves (mmWave), according to one embodiment of the present invention, may comprise the steps of: receiving, from the mmWave terminal, a first fallback request message for requesting fast fallback; operating a fallback timer for determining whether or not to perform fallback after receiving the first fallback request message; and determining whether or not a second fallback request message for requesting fast fallback has been received from a mmWave base station within the fallback timer.

公开(公告)号：US20170230159A1

公开(公告)日：2017-08-10

申请号：US15501754

申请日：2014-08-06

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Jinmin KIM ,  Kukheon CHOI ,  Jaehoon CHUNG ,  Kitae KIM

IPC: H04L5/00 ,  H04L5/14

CPC classification number: H04L5/0048 ,  H04B7/26 ,  H04B15/00 ,  H04J11/00 ,  H04L5/0053 ,  H04L5/14

Abstract: The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A method by which a first UE receives a signal from a base station in a wireless access system supporting FDR transmission, according to one embodiment of the present invention, can comprise the steps of: receiving a first reference signal from the base station; calculating first channel information on self-interference by using the first reference signal; receiving a second reference signal from the base station, and receiving a third reference signal from a second UE at the same time as the second reference signal; calculating second channel information from which the self-interference is cancelled, on the basis of the second reference signal, the third reference signal and the first channel information; and receiving the signal by using the second channel information and third channel information on a channel receiving the signal.

公开(公告)号：US20170187508A1

公开(公告)日：2017-06-29

申请号：US15308748

申请日：2015-05-18

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L5/0092 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/14 ,  H04L5/1469 ,  H04L27/2646 ,  H04W72/042 ,  H04W72/0446

Abstract: The present invention relates a wireless access system supporting a full duplex radio (FUR) transmission environment. A method for receiving feedback information by a base station in a wireless access system supporting FDR comprises the steps of: transmitting, to a terminal, frame configuration information of terminal-specific time division multiplexing (TDD); and receiving, from the terminal, feedback information in an uplink (UL) subframe according to the frame configuration information, wherein the frame configuration information can determine the location of the UL subframe in which feedback information for each DL subframe is to be transmitted, on the basis of the value obtained by dividing the number of downlink (DL) subframes by the number of UL subframes in a wireless frame.