公开(公告)号：US09584286B2

公开(公告)日：2017-02-28

申请号：US15202309

申请日：2016-07-05

Applicant: LG ELECTRONICS INC.

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

IPC: 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：US09572148B2

公开(公告)日：2017-02-14

申请号：US14359004

申请日：2012-12-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W72/04 ,  H04W72/08

CPC classification number: H04W72/042 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/006 ,  H04W72/08

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, method in which a base station transmits downlink control information in a wireless communication system comprises: a step for determining an allocatable resource region for an enhanced physical downlink control channel (E-PDCCH) of a local allocation system; a step for allocating an E-PDCCH to the determined allocatable resource region for the E-PDCCH; and a step for transmitting the downlink control information on the allocated E-PDCCH. The allocatable resource region for the E-PDCCH can be set as a group of partial resource regions in each of a plurality of partitions when a downlink system bandwidth contains said plurality of partitions.

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，基站在无线通信系统中发送下行链路控制信息的方法包括：确定用于本地分配的增强物理下行链路控制信道（E-PDCCH）的可分配资源区域的步骤 系统; 用于将E-PDCCH分配给所确定的用于所述E-PDCCH的可分配资源区域的步骤; 以及用于在所分配的E-PDCCH上发送下行链路控制信息的步骤。 当下行链路系统带宽包含所述多个分区时，可以将用于E-PDCCH的可分配资源区域设置为多个分区中的每一个中的一组部分资源区域。

公开(公告)号：US20150195113A1

公开(公告)日：2015-07-09

申请号：US14408523

申请日：2013-05-24

Applicant: LG ELECTRONICS INC.

Inventor： Sunam Kim ,  Jaehoon Chung ,  Binchul Ihm ,  Youngsoo Yuk

IPC: H04L27/26 ,  H04W72/04

CPC classification number: H04L27/2602 ,  H04L5/0007 ,  H04L5/0091 ,  H04L27/2607 ,  H04L27/261 ,  H04W72/0446

Abstract: A disclosure of the present invention provides a method of determining subframes. According to the method, subframe configuration information on a plurality of subframes is received from a base station. Here, each of the subframes may include a plurality of OFDM symbols, each of the OFDM symbols may include a cyclic prefix (CP) that is equal to or longer than zero in length, and the CP length may be the same across the plurality of OFDM symbols in a subframe. Also, according to the method, the CP length of a subframe to be received is determined based on the subframe configuration information. Here, the subframe configuration information may indicate that the CP length of each of the subframe is any one of a first CP length and a second CP length.

Abstract translation: 本发明的公开提供了一种确定子帧的方法。 根据该方法，从基站接收关于多个子帧的子帧配置信息。 这里，每个子帧可以包括多个OFDM符号，每个OFDM符号可以包括等于或长于零长度的循环前缀（CP），并且CP长度可以在多个OFDM符号中相同 子帧中的OFDM符号。 此外，根据该方法，基于子帧配置信息来确定要接收的子帧的CP长度。 这里，子帧配置信息可以指示每个子帧的CP长度是第一CP长度和第二CP长度中的任何一个。

公开(公告)号：US20140286288A1

公开(公告)日：2014-09-25

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: H04W72/14

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：US10034282B2

公开(公告)日：2018-07-24

申请号：US15364168

申请日：2016-11-29

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04W72/12

Abstract: In a wireless communication system, when a terminal receives control information from a downlink subframe, which is divided into a Physical Downlink Control Channel (PDCCH) region and a Physical Downlink Shared Channel (PDSCH) region, in a wireless communication system, the receiving of the control information includes: receiving, from a base station, first CFI information indicating the number of Orthogonal Frequency Division Multiplexing (OFDM) symbols available for Physical Downlink Control Channel (PDCCH) transmission; receiving, from the base station, second CFI information indicating start OFDM symbol information available for Physical Downlink Shared Channel (PDSCH) transmission corresponding to an enhanced Physical Downlink Control Channel (E-PDCCH); and receiving the PDSCH from the base station on the basis of the first CFI information or the second CFI information. The PDCCH is placed in the PDCCH region of the downlink subframe, and the E-PDCCH is placed in the PDSCH region of the downlink subframe.

公开(公告)号：US09544893B2

公开(公告)日：2017-01-10

申请号：US14887120

申请日：2015-10-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04W72/12

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/12

Abstract: In a wireless communication system, when a terminal receives control information from a downlink subframe, which is divided into a Physical Downlink Control Channel (PDCCH) region and a Physical Downlink Shared Channel (PDSCH) region, in a wireless communication system, the receiving of the control information includes: receiving, from a base station, first CFI information indicating the number of Orthogonal Frequency Division Multiplexing (OFDM) symbols available for Physical Downlink Control Channel (PDCCH) transmission; receiving, from the base station, second CFI information indicating start OFDM symbol information available for Physical Downlink Shared Channel (PDSCH) transmission corresponding to an enhanced Physical Downlink Control Channel (E-PDCCH); and receiving the PDSCH from the base station on the basis of the first CFI information or the second CFI information. The PDCCH is placed in the PDCCH region of the downlink subframe, and the E-PDCCH is placed in the PDSCH region of the downlink subframe.

Abstract translation: 在无线通信系统中，当终端从无线通信系统中被分割为物理下行链路控制信道（PDCCH）区域和物理下行链路共享信道（PDSCH）区域的下行链路子帧接收到控制信息时， 控制信息包括：从基站接收指示可用于物理下行链路控制信道（PDCCH）传输的正交频分复用（OFDM）符号的数量的第一CFI信息; 从基站接收指示对应于增强物理下行链路控制信道（E-PDCCH）的物理下行链路共享信道（PDSCH）传输可用的起始OFDM符号信息的第二CFI信息; 以及基于第一CFI信息或第二CFI信息从基站接收PDSCH。 PDCCH被配置在下行链路子帧的PDCCH区域，E-PDCCH被配置在下行子帧的PDSCH区域中。

公开(公告)号：US09154205B2

公开(公告)日：2015-10-06

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：US20150163800A1

公开(公告)日：2015-06-11

申请号：US14406965

申请日：2013-05-06

Applicant: LG ELECTRONICS INC.

Inventor： Sunam Kim ,  Jaehoon Chung ,  Binchul Ihm

IPC: H04W72/04

CPC classification number: H04W72/0446 ,  H04L5/00 ,  H04L5/001 ,  H04L5/0035 ,  H04W36/0061 ,  H04W72/042 ,  H04W72/0426

Abstract: One embodiment of the present invention provides a method for determining a radio resource by a terminal. According to the method, information on a second cell can be received from a first cell, wherein a radio resource of the first cell includes a plurality of wireless frames along a time axis, each wireless frame includes a plurality of subframes, and the information on the second cell can include an ID of the second cell. In addition, a radio resource of the second cell can be determined by using the information on the second cell, wherein the radio resource of the second cell can be determined as a partial region in the wireless frames or the subframes of the first cell, which is indicated by the information on the second cell.

Abstract translation: 本发明的一个实施例提供一种终端确定无线电资源的方法。 根据该方法，可以从第一小区接收关于第二小区的信息，其中第一小区的无线资源包括沿着时间轴的多个无线帧，每个无线帧包括多个子帧，并且关于 第二小区可以包括第二小区的ID。 此外，可以通过使用关于第二小区的信息来确定第二小区的无线电资源，其中可以将第二小区的无线电资源确定为第一小区的无线帧或子帧中的部分区域，其中 由第二小区上的信息指示。