公开(公告)号：US10548101B2

公开(公告)日：2020-01-28

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

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：US20200015218A1

公开(公告)日：2020-01-09

申请号：US16491013

申请日：2017-03-07

Applicant: LG Electronics Inc.

Inventor： Hojae Lee ,  Sangrim Lee ,  Dongkyu Kim ,  Myeongjin Kim ,  Kwangseok Noh

IPC: H04W72/04 ,  H04W72/12

Abstract: A method for performing non-orthogonal multiple access (NOMA) scheme-based communication by a base station may comprise the steps of: determining at least one transmission data resource group on the basis of a scheduling request (SR) reception reliability; transmitting information on the determined at least one data resource group to a terminal; and receiving uplink data from the terminal via a predefined uplink data transmission area in the at least one data resource group, wherein the at least one data resource group and an SR resource group including an SR transmission area, in which an SR can be transmitted, are overlappingly allocated in a physical resource area, and the predefined uplink data transmission area within the at least one data resource group and the SR transmission area of the SR resource group overlap each other in the physical resource area.

公开(公告)号：US10477542B2

公开(公告)日：2019-11-12

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 ,  H04W72/12 ,  H04L5/00

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：US10454521B2

公开(公告)日：2019-10-22

申请号：US15739518

申请日：2016-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Bonghoe Kim ,  Yunjung Yi ,  Sangrim Lee

IPC: H04B1/713 ,  H04L5/00 ,  H04L29/08 ,  H04L27/26 ,  H04W72/04 ,  H04W72/00 ,  H04J11/00 ,  H04W4/70

Abstract: A method and apparatus for randomization of interference in a cellular Internet of things (IoT) system is disclosed. The method for randomization of interference in the cellular IoT system may comprise the steps of: allocating a radio resource for a physical broadcast channel (PBCH) by a base station; and transmitting downlink data to a plurality of terminals through the PBCH by the base station on the basis of a broadcast, wherein the PBCH may be transmitted on N (herein, N is natural number) slots, the radio resource may be determined on the basis of frequency hopping, and the frequency hopping may be performed in a plurality of frequency areas included in the entire whole frequency bandwidth.

公开(公告)号：US10439776B2

公开(公告)日：2019-10-08

申请号：US15548703

申请日：2016-01-22

Applicant: LG Electronics Inc.

Inventor： Dongkyu Kim ,  Kilbom Lee ,  Kwangseok Noh ,  Sangrim Lee ,  Hyunsoo Ko ,  Kukheon Choi

IPC: H04W72/08 ,  H04L5/00 ,  H04L25/08 ,  H04L5/14 ,  H04B17/345 ,  H04L25/02

Abstract: A method by which a communication device using an FDR method estimates a self-interference signal can comprise the steps of: transmitting, in a transmitting end, a pilot signal to which a selected sequence is applied; receiving, in a reception end, a self-interference signal relating to the pilot signal; and estimating a channel of a nonlinear self-interference signal component in a self-interference channel by using a cross correlation characteristic of the selected sequence.

公开(公告)号：US10355742B2

公开(公告)日：2019-07-16

申请号：US15550742

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: H04H20/71 ,  H04B1/7087 ,  H04B7/04 ,  H04B1/7083 ,  H04W52/02 ,  H04W56/00 ,  H04B7/06 ,  H04B7/08 ,  H04B1/7163 ,  H04B7/26

Abstract: The present invention relates to a signal transceiving method for detecting site-specific ray characteristics information unique to millimeter wave (mm Wave) links and detecting rich resolvable rays, and to device supporting same. The method for a terminal ray-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, pilot signals having different configuration patterns according to each transmitting antenna port; and ray-scanning using the pilot signals.

公开(公告)号：US10320473B2

公开(公告)日：2019-06-11

申请号：US15523930

申请日：2015-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Jaehoon Chung ,  Genebeck Hahn ,  Eunjong Lee ,  Kukheon Choi ,  Kwangseok Noh ,  Sangrim Lee

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

Abstract: The method for a terminal for receiving data for each service from a particular frame in a wireless communication system according to the present invention comprises the steps of: receiving, from a base station, a first control channel comprising first control information associated with a first service; receiving, from the base station and on the basis of the control information, a first data channel utilized for transmitting the first service; receiving, from the base station, a second control channel comprising second control information associated with a second service; and receiving, from the base station and on the basis of the second control information, a second data channel utilized for transmitting the second service, wherein the first and second services are services of mutually different types, and the first control channel is received by means of the full system bandwidth configured on the terminal, and the second control channel and second data channel are received by means of a particular sub-band within the full system bandwidth.

公开(公告)号：US10201001B2

公开(公告)日：2019-02-05

申请号：US15578512

申请日：2016-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu Kim ,  Hyunsoo Ko ,  Kwangseok Noh ,  Sangrim Lee ,  Hojae Lee

IPC: H04B7/00 ,  H04W72/08 ,  H04L25/02 ,  H04L25/03 ,  H04L5/00 ,  H04L5/14 ,  H04W72/04 ,  H04B1/525

Abstract: A method for transmitting reference signal (RS) allocation mode information by a device operating in a full duplex radio (FDR) mode comprises the steps of: determining to change an RS allocation mode from a first RS allocation mode to a second RS allocation mode for nonlinear component estimation of a residual self-interference signal after antenna and analog self-interference cancellation; and transmitting information about the changed second RS allocation mode to a counterpart node, wherein the first RS allocation mode and second RS allocation mode are distinguished from each other on the basis of whether or not RSs, used for nonlinear component estimation of the residual self-interference signal, are additionally transmitted.

公开(公告)号：US10181937B2

公开(公告)日：2019-01-15

申请号：US15173541

申请日：2016-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok Noh ,  Dongkyu Kim ,  Hyunsoo Ko ,  Kukheon Choi ,  Sangrim Lee ,  Hojae Lee

IPC: H04L5/14 ,  H04L29/08 ,  H04B1/54 ,  H04W52/04 ,  H04W52/14 ,  H04W52/24

Abstract: Disclosed herein is method of performing self-interference cancellation in the network nodes supporting full-duplex communication. Specifically, the method includes receiving a desired signal from a user equipment (UE), performing cancellation of self-interference according to a transmitted signal of the network node, the transmitted signal using the same radio resource as the desired signal, determining whether the cancellation of the self-interference is successful, performing, upon determining that the cancellation of the self-interference is successful, decoding of the desired signal and checking cyclic redundancy check (CRC), and performing power control and link adaptation depending on success in performing the cancellation of the self-interference and a result of checking the CRC.

公开(公告)号：US10153924B2

公开(公告)日：2018-12-11

申请号：US15578135

申请日：2016-01-27

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu Kim ,  Hyunsoo Ko ,  Kwangseok Noh ,  Sangrim Lee ,  Hojae Lee

IPC: H04L25/03 ,  H04L25/02 ,  H04L27/26 ,  H04B3/32 ,  H04J11/00

Abstract: A method for performing self-interference cancellation by a communication device which uses an FDR mode can comprise the steps of: measuring the strength of a residual self-interference signal, after antenna and analog self-interference cancellation, for each subband with respect to a predetermined number of subbands configured in a communication device; determining the order of a nonlinear self-interference signal component, to be considered for channel estimation of a nonlinear self-interference signal, for each subband on the basis of the strength of the residual self-interference signal that has been measured for each subband; and performing channel estimation of the nonlinear self-interference signal on the basis of the order that has been determined for each subband.