公开(公告)号：US09681456B2

公开(公告)日：2017-06-13

申请号：US14365465

申请日：2012-10-11

Applicant: LG Electronics Inc.

Inventor： Hyukmin Son ,  Jinmin Kim ,  Seunghee Han ,  Hyunwoo Lee ,  Hyeyoung Choi

IPC: H04W72/08 ,  H04L5/00 ,  H04W4/06 ,  H04W56/00 ,  H04L27/26

CPC classification number: H04W72/082 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0073 ,  H04L27/2613 ,  H04L27/2647 ,  H04W4/06 ,  H04W56/0015

Abstract: A method for reducing interference of a user equipment (UE) in a wireless access system, and the user equipment (UE) for the same are disclosed. The method for reducing interference of a UE includes receiving a signal from a first base station (BS) and a second BS; and detecting a signal of the second BS from the reception signal, wherein allocation resources of the detection signal of the second BS is OFDM-symbol-level-shifted according to a physical broadcast channel (PBCH) of the first BS in such a manner that a control region does not overlap with another part.

公开(公告)号：US20150023263A1

公开(公告)日：2015-01-22

申请号：US14365465

申请日：2012-10-11

Applicant: LG Electronics Inc.

Inventor： Hyukmin Son ,  Jinmin Kim ,  Seunghee Han ,  Hyunwoo Lee ,  Hyeyoung Choi

IPC: H04W72/08 ,  H04W56/00 ,  H04W4/06 ,  H04L5/00

CPC classification number: H04W72/082 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0073 ,  H04L27/2613 ,  H04L27/2647 ,  H04W4/06 ,  H04W56/0015

Abstract: A method for reducing interference of a user equipment (UE) in a wireless access system, and the user equipment (UE) for the same are disclosed. The method for reducing interference of a UE includes receiving a signal from a first base station (BS) and a second BS; and detecting a signal of the second BS from the reception signal, wherein allocation resources of the detection signal of the second BS is OFDM-symbol-level-shifted according to a physical broadcast channel (PBCH) of the first BS in such a manner that a control region does not overlap with another part.

Abstract translation: 公开了一种减少用户设备（UE）在无线接入系统中的干扰的方法及其用户设备（UE）。 减少UE干扰的方法包括从第一基站（BS）和第二BS接收信号; 以及从所述接收信号检测所述第二BS的信号，其中，所述第二BS的检测信号的分配资源根据所述第一BS的物理广播信道（PBCH）进行OFDM符号级移位，使得 控制区域不与另一部分重叠。

公开(公告)号：US09924502B2

公开(公告)日：2018-03-20

申请号：US14357173

申请日：2012-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung Choi ,  Jinmin Kim ,  Seunghee Han ,  Hyukmin Son ,  Hyunwoo Lee

IPC: H04W4/00 ,  H04W72/04 ,  H04L1/00 ,  H04W88/06 ,  H04W88/10 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L1/0038 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0094 ,  H04W88/06 ,  H04W88/10

Abstract: A method of obtaining control information on a terminal in a wireless communication system according to an embodiment of the present invention includes performing blind decoding for a joint DCI format including at least two DCI formats for at least two terminals including the terminal, wherein the size of the joint DCI format is determined depending on the kind of the at least two DCI formats, and the terminal further receives information for performing blind decoding on the DCI format for the terminal in the joint DCI format.

公开(公告)号：US09350503B2

公开(公告)日：2016-05-24

申请号：US14354523

申请日：2012-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Seunghee Han ,  Hyukmin Son ,  Hyunwoo Lee ,  Hyeyoung Choi

IPC: H04W4/00 ,  H04L5/00 ,  H04L27/26 ,  H04W74/08

CPC classification number: H04L5/003 ,  H04L5/001 ,  H04L5/0048 ,  H04L27/2608 ,  H04L27/261 ,  H04W74/08

Abstract: Disclosed are a method for transceiving a preamble in a wireless access system that supports a carrier aggregation/multi cells, and an apparatus for the same. More particularly, the method of the present invention comprises a step of transmitting a preamble to a terminal via an extension carrier that does not operate as a single carrier but operates only as a portion of a carrier aggregation. The preamble is generated based on a pseudo-random sequence.

Abstract translation: 公开了一种在支持载波聚合/多小区的无线接入系统中收发前同步码的方法及其装置。 更具体地说，本发明的方法包括通过不作为单载波操作但仅作为载波聚合的一部分操作的扩展载波向终端发送前导码的步骤。 基于伪随机序列生成前导码。

公开(公告)号：US09136930B2

公开(公告)日：2015-09-15

申请号：US14414664

申请日：2012-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Hyukmin Son ,  Jinmin Kim ,  Jaehoon Chung ,  Sunam Kim

IPC: H04L1/02 ,  H04L27/28 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0626 ,  H04B7/0413 ,  H04B7/0478 ,  H04B7/0663

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method and device for compressing and feeding back channel information in a wireless communication system supporting a multi-input multi-output (MIMO) scheme. A method for feeding back channel information by a terminal in a wireless communication system supporting a MINO scheme, according to one embodiment of the present invention, can comprise the steps of: calculating a channel matrix on the basis of a reference signal received from a base station; calculating a first valid channel vector by using a reception weight vector and the channel matrix; and calculating a second valid channel vector by setting a coefficient corresponding to each basis vector included in a basis matrix as 0 if the coefficient is equal to or less than a threshold when the first valid channel vector is factored by the basis matrix.

Abstract translation: 本发明涉及一种无线通信系统，更具体地说，涉及一种在支持多输入多输出（MIMO）方案的无线通信系统中压缩和反馈信道信息的方法和设备。 根据本发明的一个实施例的在支持MINO方案的无线通信系统中由终端反馈信道信息的方法可以包括以下步骤：基于从基站接收的参考信号来计算信道矩阵 站; 通过使用接收权重向量和信道矩阵来计算第一有效信道向量; 以及当所述第一有效信道向量由所述基本矩阵构成因子时，如果所述系数等于或小于阈值，则通过将包括在基本矩阵中的每个基本向量对应的系数设置为0来计算第二有效信道向量。

公开(公告)号：US20150207555A1

公开(公告)日：2015-07-23

申请号：US14414664

申请日：2012-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Hyukmin Son ,  Jinmin Kim ,  Jaehoon Chung ,  Sunam Kim

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0626 ,  H04B7/0413 ,  H04B7/0478 ,  H04B7/0663

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method and device for compressing and feeding back channel information in a wireless communication system supporting a multi-input multi-output (MIMO) scheme. A method for feeding back channel information by a terminal in a wireless communication system supporting a MINO scheme, according to one embodiment of the present invention, can comprise the steps of: calculating a channel matrix on the basis of a reference signal received from a base station; calculating a first valid channel vector by using a reception weight vector and the channel matrix; and calculating a second valid channel vector by setting a coefficient corresponding to each basis vector included in a basis matrix as 0 if the coefficient is equal to or less than a threshold when the first valid channel vector is factored by the basis matrix.

Abstract translation: 本发明涉及一种无线通信系统，更具体地说，涉及一种在支持多输入多输出（MIMO）方案的无线通信系统中压缩和反馈信道信息的方法和设备。 根据本发明的一个实施例的在支持MINO方案的无线通信系统中由终端反馈信道信息的方法可以包括以下步骤：基于从基站接收的参考信号来计算信道矩阵 站; 通过使用接收权重向量和信道矩阵来计算第一有效信道向量; 以及当所述第一有效信道向量由所述基本矩阵构成因子时，如果所述系数等于或小于阈值，则通过将包括在基本矩阵中的每个基本向量对应的系数设置为0来计算第二有效信道向量。

公开(公告)号：US09362997B2

公开(公告)日：2016-06-07

申请号：US14865654

申请日：2015-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Sunam Kim ,  Binchul Ihm ,  Hyukmin Son ,  Jaehoon Chung

IPC: H04B7/02 ,  H04L1/02 ,  H04B7/04 ,  H04B7/06 ,  H04W16/28

CPC classification number: H04B7/0456 ,  H04B7/0408 ,  H04B7/0417 ,  H04B7/061 ,  H04B7/0617 ,  H04B7/0639 ,  H04B7/0695 ,  H04W16/28

Abstract: A method for performing hierarchical beamforming in a wireless access system and a device therefor are disclosed. Particularly, the method comprises: an initial step for allowing a base station to transmit a plurality of first beams, to which different steering vectors are applied, to a terminal through corresponding reference signals, and a repetition step for allowing the base station to transmit a plurality of second beams, to which different steering vectors are applied, to the terminal through corresponding reference signals by considering feedback information that contains an index of one or more beams received from the terminal, wherein the repetition step can be repeated up to a predetermined number of times.

公开(公告)号：US09331828B2

公开(公告)日：2016-05-03

申请号：US14344035

申请日：2012-10-11

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Seunghee Han ,  Hyukmin Son ,  Hyunwoo Lee ,  Hyeyoung Choi

IPC: H04J3/00 ,  H04L5/00 ,  H04L1/18 ,  H04L1/16

CPC classification number: H04L5/0037 ,  H04L1/1607 ,  H04L1/1861 ,  H04L5/0078

Abstract: The present invention relates to a bundling scheduling method in a wireless access system and an apparatus therefor. Specifically, the bundling scheduling method in the wireless access system comprises the steps of: transmitting the bundled downlink control information including a plurality of downlink control information through one physical downlink control channel (PDCCH) to a terminal; transmitting the downlink data, to the terminal, through a plurality of physical downlink shared channels (PDSCH) scheduled by the bundled downlink control information; and receiving acknowledgement/negative-acknowledgement (ACK/NACK) information for the plurality of PDSCHs from the terminal.

Abstract translation: 本发明涉及无线接入系统中的捆绑调度方法及其装置。 具体地说，无线接入系统中的捆绑调度方法包括以下步骤：通过一个物理下行链路控制信道（PDCCH）向终端发送包括多个下行链路控制信息的捆绑下行链路控制信息; 通过由捆绑的下行链路控制信息调度的多个物理下行链路共享信道（PDSCH）向终端发送下​​行链路数据; 以及从终端接收多个PDSCH的确认/否定确认（ACK / NACK）信息。

公开(公告)号：US20150092875A1

公开(公告)日：2015-04-02

申请号：US14395796

申请日：2013-04-15

Applicant: (LG ELECTRONICS INC.)

Inventor： Jinmin Kim ,  Sunam Kim ,  Binchul Ihm ,  Hyukmin Son ,  Changhwan Park ,  Jaehoon Chung

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

CPC classification number: H04B7/046 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0691 ,  H04L25/0204 ,  H04L25/0224 ,  H04L25/03 ,  H04W72/0413

Abstract: A method for downlink beamforming in a wireless access system and a device therefor are disclosed. Specifically, the method comprises the following steps: transmitting, by an eNB, a reference signal to a UE through only a first antenna set from among whole antennas; receiving, by the eNB, channel state information (CSI) for the first antenna set from the UE; and transmitting, by the eNB, beamforming a downlink channel by using a precoding matrix for the whole antennas, wherein CSI for a second antenna set by which the reference signal has not been transmitted from among the whole antennas is calculated using the CSI for the first antenna set.

Abstract translation: 公开了一种用于无线接入系统中的下行链路波束成形的方法及其装置。 具体地说，该方法包括以下步骤：由eNB通过仅从整个天线中的第一天线组发送参考信号给UE; 由eNB接收来自UE的第一天线组的信道状态信息（CSI）; 并且由eNB通过使用用于整个天线的预编码矩阵来发送对下行链路信道进行波束成形，其中使用用于第一个天线的CSI来计算在整个天线中尚未发送参考信号的第二天线组的CSI 天线组。

公开(公告)号：US20150003425A1

公开(公告)日：2015-01-01

申请号：US14345627

申请日：2012-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Seunghee Han ,  Hyukmin Son ,  Hyunwoo Lee ,  Hyeyoung Choi

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/001 ,  H04L5/0055 ,  H04L5/0092 ,  H04L5/1469 ,  H04W72/1289

Abstract: Disclosed are a method for scheduling bundling in a wireless access system and an apparatus for same. In particular, the method includes the steps of: transmitting bundled downlink control information (DCI), including a plurality of pieces of downlink control information, to a terminal through a single physical downlink control channel (PDCCH); and transmitting downlink data to the terminal through a plurality of physical downlink shared channels (PDSCH) scheduled by the bundled DCI.

Abstract translation: 公开了一种用于在无线接入系统中调度捆绑的方法及其装置。 特别地，该方法包括以下步骤：通过单个物理下行链路控制信道（PDCCH）向终端发送包括多条下行链路控制信息的捆绑下行链路控制信息（DCI）; 并通过由捆绑的DCI调度的多个物理下行链路共享信道（PDSCH）向终端发送下​​行链路数据。