公开(公告)号：US09800314B2

公开(公告)日：2017-10-24

申请号：US15115562

申请日：2014-09-03

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Kitae Kim ,  Kilbom Lee

IPC: H04B7/02 ,  H04B7/06 ,  H04B7/04 ,  H04L5/00 ,  H04B7/0413

CPC classification number: H04B7/0639 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0482 ,  H04B7/0486 ,  H04B7/0647 ,  H04B7/065 ,  H04B7/0695 ,  H04B7/088 ,  H04L1/0029 ,  H04L5/0048 ,  H04L25/0222 ,  H04W24/10

Abstract: A method for transmitting feedback information to a base station at a user equipment (UE) in a wireless communication system. The method includes receiving a pilot signal from the base station at a first time and a second time, selecting a first precoding matrix index corresponding to the first time and a second precoding matrix index corresponding to the second time from a predetermined codebook based on the pilot signal, and transmitting the feedback information including information about a variation value between the first precoding matrix index and the second precoding matrix index to the base station.

公开(公告)号：US09794037B2

公开(公告)日：2017-10-17

申请号：US14767075

申请日：2013-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jinmin Kim ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04L5/00 ,  H04W88/08

CPC classification number: H04L5/0048 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/006 ,  H04L5/0082 ,  H04L5/0085 ,  H04W88/08

Abstract: A method of transmitting a reference signal from a base station to a user equipment in a wireless communication system and apparatus therefor are disclosed. The present invention includes dividing a system band into at least one or more partial bands, configuring a time-axis high density reference signal on a high frequency partial band with reference to a center frequency of the system band, configuring a time-axis low density reference signal on a low frequency partial band with reference to the center frequency, and transmitting the configured reference signals to the user equipment.

公开(公告)号：US09787448B2

公开(公告)日：2017-10-10

申请号：US14763761

申请日：2013-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Sungho Park ,  Jaehoon Chung ,  Sunam Kim ,  Soocheol Kyeong ,  Jinmin Kim ,  Kyunghaeng Lee ,  Hyunsoo Ko ,  Jiwon Kang

IPC: H04B1/00 ,  H04L5/00 ,  H04B7/0456 ,  H04B7/04 ,  H04B7/06 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0617 ,  H04B7/0628 ,  H04B7/0634 ,  H04W72/0453

Abstract: A method for transmitting signals to a user equipment at a base station in a wireless communication system is disclosed. The method includes generating a user equipment specific reference signal sequence for the user equipment, determining transmission resources for mapping the user equipment specific reference signal sequence, based on a vertical sector in which the user equipment is located, mapping the user equipment specific reference signal sequence to the determined transmission resources, and transmitting the user equipment specific reference signal sequence to the user equipment using a second-dimensional planar antenna.

公开(公告)号：US09736659B2

公开(公告)日：2017-08-15

申请号：US14773740

申请日：2014-03-17

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Kitae Kim ,  Jaehoon Chung

IPC: H04W4/06 ,  H04W72/04 ,  H04N21/2385 ,  H04W72/00 ,  H04W56/00

CPC classification number: H04W4/06 ,  H04N21/2385 ,  H04W56/0015 ,  H04W72/005

Abstract: Disclosed are a novel method for allocating a broadcast channel and a novel method for transmitting and receiving a broadcast channel signal in a wireless access system, and devices for supporting the same. The method for receiving a broadcast signal in a wireless access system, according to one embodiment of the present invention, comprises the steps of: periodically receiving one or more broadcast signals during a preset transmission time interval; obtaining a transmission position and a transmission pattern for the one or more broadcast signals in a transmission time interval; and obtaining system information included in the broadcast signals on the basis the transmission position and/or the transmission pattern.

公开(公告)号：US09722686B2

公开(公告)日：2017-08-01

申请号：US15158064

申请日：2016-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Kyungmin Park ,  Jiwon Kang ,  Kitae Kim ,  Kilbom Lee ,  Heejin Kim

IPC: G06F17/00 ,  H04B7/08 ,  H01Q21/28 ,  H01Q1/32 ,  H04W88/06

CPC classification number: H04B7/0808 ,  H01Q1/3275 ,  H01Q21/28 ,  H04B7/0404 ,  H04B7/0874 ,  H04W88/06

Abstract: The present document is for a wireless communication with reduced internal signaling burden in the distributed antenna system (DAS). In the proposed method, a user equipment (UE) receives signals, from the network, by multiple distributed unit (DUs) distributed within the UE, wherein the multiple DUs comprise one or more main DUs and one or more sub DUs; reports, by the sub DUs, first reception information of the signals to one of the main DUs; reports, by the one of the main DUs, second reception information of the signals to a central unit (CU) controlling the multiple DUs based on the first reception information of the signals; and determines, at the CU, which one or more DUs among the multiple DUs are to transfer the received signals to the CU based on the second reception information of the signals.

公开(公告)号：US09713143B2

公开(公告)日：2017-07-18

申请号：US14899498

申请日：2014-06-23

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Kwangseok Noh ,  Kukheon Choi ,  Jaehoon Chung ,  Kitae Kim

IPC: H04W72/04 ,  H04B17/345 ,  H04L27/26

CPC classification number: H04W72/044 ,  H04B17/345 ,  H04J13/0062 ,  H04L27/2607

Abstract: The present invention provides methods for estimating self-interference in a full-duplex radio (FDR) system using a reference signal to which a cyclic shift is applied, and apparatuses supporting the same. According to one embodiment of the present invention, a method for estimating a self-interference (SI) channel, by a base station, in a wireless access system supporting wireless FDR communication comprises the steps of: transmitting a channel signal including a first cyclic shift variable allocated to a terminal; transmitting a downlink (DL) self-interference reference signal (SI-RS) for estimating the SI channel generated on the basis of a second cyclic shift variable; receiving the DL SI-RS; receiving an uplink (UL) SI-RS generated on the basis of the first cyclic shift variable; and estimating the SI channel using the DL SI-RS and the UL SI-RS.

公开(公告)号：US09516636B2

公开(公告)日：2016-12-06

申请号：US14355789

申请日：2012-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Sungho Park ,  Jinyoung Chun ,  Kitae Kim ,  Sunam Kim ,  Jiwon Kang ,  Binchul Ihm

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

CPC classification number: H04W72/042 ,  H04L5/0044 ,  H04L5/0053 ,  H04W72/0446 ,  H04W72/14

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transceiving a downlink control channel. According to one embodiment of the present invention, a method in which a base station transmits a downlink control channel to a terminal in a wireless communication system comprises the steps of: transmitting one or more enhanced-physical downlink control channels (E-PDCCHs) within a resource region allocable for an E-PDCCH; and transmitting E-PDCCH allocation resource information for the one or more E-PDCCHs to the terminal. The E-PDCCH allocation resource information indicates the resource in which the one or more E-PDCCHs exist from among the resource region allocable to the E-PDCCH. An effective physical downlink shared channel (PDSCH) allocation resource region for the terminal can be determined on the basis of the E-PDCCH allocation resource information.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地，涉及用于收发下行链路控制信道的方法和装置。 根据本发明的一个实施例，一种基站在无线通信系统中向终端发送下​​行链路控制信道的方法包括以下步骤：在一个或多个增强物理下行链路控制信道（E-PDCCH）内发送一个或多个增强物理下行链路控制信道 可分配给E-PDCCH的资源区域; 以及向所述终端发送所述一个或多个E-PDCCH的E-PDCCH分配资源信息。 E-PDCCH分配资源信息指示可分配给E-PDCCH的资源区域中存在一个或多个E-PDCCH的资源。 可以基于E-PDCCH分配资源信息来确定用于终端的有效物理下行链路共享信道（PDSCH）分配资源区域。

公开(公告)号：US09413506B2

公开(公告)日：2016-08-09

申请号：US14347573

申请日：2012-09-19

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jinyoung Chun ,  Sunam Kim ,  Jiwon Kang ,  Binchul Ihm ,  Sungho Park

IPC: H04L5/02 ,  H04L5/00 ,  H04L1/18

CPC classification number: H04W72/0413 ,  H04L1/1861 ,  H04L1/1896 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0094 ,  H04W72/042

Abstract: A multiple distributed system is disclosed. An uplink control resource allocation method for a user equipment to transmit an Acknowledgement/Negative ACK (ACK/NACK) signal includes receiving one or more Enhanced-Physical Downlink Control Channels (E-PDCCHs), receiving one or more Physical Downlink Shared Channels (PDSCHs) corresponding to the one or more E-PDCCHs, and transmitting ACK/NACK signals for reception of the one or more PDSCHs through a Physical Uplink Control Channel (PUCCH), wherein Control Channel Element (CCE) indexes of the PUCCH transmitting the ACK/NACK signals are determined in consideration of first CCE indexes of the one or more E-PDCCHs and the number of CCEs of a PUCCH determined by a higher layer.

Abstract translation: 公开了一种多重分布式系统。 用于用户设备发送确认/否定ACK（ACK / NACK）信号的上行链路控制资源分配方法包括接收一个或多个增强物理下行链路控制信道（E-PDCCH），接收一个或多个物理下行链路共享信道 ），并且通过物理上行链路控制信道（PUCCH）发送用于接收一个或多个PDSCH的ACK / NACK信号，其中PUCCH发送ACK / NACK信号的控制信道元素（CCE）索引， 考虑到一个或多个E-PDCCH的第一CCE索引和由较高层确定的PUCCH的CCE数量来确定NACK信号。

公开(公告)号：US20150195077A1

公开(公告)日：2015-07-09

申请号：US14419635

申请日：2013-07-31

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jaehoon Chung ,  Sunam Kim

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0069 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2607

Abstract: Disclosed herein is a method of transceiving a signal between a transmitter and a receiver in a wireless communication system. The method includes transceiving the signal in units of a subframe including a plurality of symbols. Each of the plurality of symbols includes a valid symbol and a cyclic prefix, and a length of the cyclic prefix is changed according to a distance between the transmitter and the receiver.

Abstract translation: 这里公开了一种在无线通信系统中收发发射机和接收机之间的信号的方法。 该方法包括以包括多个符号的子帧为单位收发信号。 多个符号中的每一个包括有效符号和循环前缀，并且循环前缀的长度根据发射机和接收机之间的距离而改变。

公开(公告)号：US10903952B2

公开(公告)日：2021-01-26

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: H04B7/26 ,  H04L5/14 ,  H04L5/00 ,  H04J11/00 ,  H04B15/00

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.