公开(公告)号：US09549400B2

公开(公告)日：2017-01-17

申请号：US14420878

申请日：2013-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04W4/00 ,  H04W72/04 ,  H04B7/04 ,  H04L25/02 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L25/0202 ,  H04W72/0446

Abstract: One embodiment of the present invention relates to a method for receiving control information through an enhanced physical downlink control channel (EPDCCH) in a wireless communication system, including the steps of: channel estimation in an EPDCCH related physical resource block (PRB) pair set; and, on the basis of the channel estimation, monitoring the EPDCCH in the PRB pair set, wherein, when the number of physical antennas of a transmission point transmitting the EPDCCH is 1, the terminal is assumed to identically precode allocated ports for the EPDCCH.

Abstract translation: 本发明的一个实施例涉及一种通过无线通信系统中的增强物理下行链路控制信道（EPDCCH）接收控制信息的方法，包括以下步骤：在EPDCCH相关物理资源块（PRB）对集合中的信道估计; 并且基于信道估计，对PRB对集合中的EPDCCH进行监视，其中，当发送EPDCCH的发送点的物理天线的数量为1时，假定终端对EPDCCH的分配端口进行相同的预编码。

公开(公告)号：US09532394B2

公开(公告)日：2016-12-27

申请号：US14413992

申请日：2013-07-12

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo ,  Hakseong Kim

IPC: H04W4/00 ,  H04W76/04 ,  H04W24/08 ,  H04W72/12 ,  H04W76/02 ,  H04L12/721 ,  H04L12/703

CPC classification number: H04W76/043 ,  H04L45/28 ,  H04L45/70 ,  H04W24/08 ,  H04W72/1284 ,  H04W76/19 ,  H04W76/23

Abstract: One embodiment of the present invention is a method for carrying out device-to-device communication by means of a first terminal in a wireless communication system, the method comprising: a step of measuring a link with a second terminal; and a step of transmitting, if the result of the link measurement satisfies a predetermined condition, a link failure declaration to a third terminal. The link failure declaration includes buffer status information relating to the data being received from the second terminal. The first terminal receives the remaining portion of the data from the third terminal.

Abstract translation: 本发明的一个实施例是一种用于在无线通信系统中通过第一终端进行设备到设备通信的方法，所述方法包括：测量与第二终端的链路的步骤; 以及如果链路测量的结果满足预定条件，则向第三终端发送链路故障声明的步骤。 链路故障声明包括与从第二终端接收的数据相关的缓冲器状态信息。 第一终端从第三终端接收数据的剩余部分。

公开(公告)号：US09386489B2

公开(公告)日：2016-07-05

申请号：US14386102

申请日：2013-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Seungmin Lee ,  Hakseong Kim ,  Inkwon Seo

IPC: H04W4/00 ,  H04W36/00 ,  H04W36/08 ,  H04W36/38 ,  H04W74/08

CPC classification number: H04W36/0077 ,  H04W36/08 ,  H04W36/38 ,  H04W74/0833

Abstract: Disclosed in the present application is a method for a terminal to perform a handover in a wireless communication system. In particular, the method comprises the steps of: receiving a random access triggering signal from a serving cell; executing a random access procedure with a target cell on the basis of the random access triggering signal; receiving a downlink signal from the serving cell and transmitting an uplink signal to the target cell; receiving, from the serving cell, a message ordering a handover to the target cell; and transmitting, to the target cell, a predetermined message indicating the completed handover, on the basis of the message ordering a handover.

Abstract translation: 在本申请中公开了一种终端在无线通信系统中执行切换的方法。 特别地，该方法包括以下步骤：从服务小区接收随机接入触发信号; 基于所述随机接入触发信号，执行与目标小区的随机接入过程; 从所述服务小区接收下行链路信号并向所述目标小区发送上行链路信号; 从所述服务小区接收排序到所述目标小区的切换的消息; 并且基于排序切换的消息向目标小区发送指示完成的切换的预定消息。

公开(公告)号：US09357535B2

公开(公告)日：2016-05-31

申请号：US14357700

申请日：2012-11-13

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo ,  Hakseong Kim

IPC: H04W72/04 ,  H04B7/06 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04W72/0413 ,  H04B7/0684 ,  H04B7/0691 ,  H04B7/0697 ,  H04L5/0053 ,  H04L27/2613

Abstract: A method for transmitting a reference signal by a base station (BS) in a wireless communication system; and the BS are discussed. The method according to one embodiment includes generating a reference signal sequence; applying an orthogonal sequence to the reference signal sequence; and mapping the reference signal sequence to which the orthogonal sequence is applied to a resource for each antenna port. One antenna port is included any one of first and second antenna port sets, and a configuration of antenna ports contained in each antenna port set is changed according to a number of available resource elements (REs) of a physical resource block (PRB) pair. If the number of available REs is lower than a predetermined threshold value, each of the first and second antenna port sets includes antenna ports corresponding to orthogonal sequences capable of performing despreading using a spreading factor.

Abstract translation: 一种用于在无线通信系统中由基站（BS）发送参考信号的方法; 并讨论了BS。 根据一个实施例的方法包括生成参考信号序列; 将正交序列应用于参考信号序列; 以及将应用了正交序列的参考信号序列映射到每个天线端口的资源。 一个天线端口包括第一和第二天线端口组中的任何一个，并且每个天线端口组中包含的天线端口的配置根据物理资源块（PRB）对的可用资源元素（RE）的数量而改变。 如果可用RE的数量低于预定阈值，则第一和第二天线端口组中的每一个包括对应于能够使用扩频因子执行解扩的正交序列的天线端口。

公开(公告)号：US09356745B2

公开(公告)日：2016-05-31

申请号：US14390950

申请日：2013-03-26

Applicant: LG Electronics Inc.

Inventor： Myoungseob Kim ,  Seungmin Lee ,  Inkwon Seo ,  Hanbyul Seo

IPC: H04L5/00 ,  H04J11/00

CPC classification number: H04L5/0007 ,  H04J11/005 ,  H04L5/0053 ,  H04L5/0073

Abstract: The present invention relates to a method for transmitting a downlink control channel in a wireless communication system, and an apparatus therefor. Specifically, the method for transmitting an enhanced a physical downlink control channel (EPDCCH) from a serving cell comprises the steps of: forming a plurality of enhanced resource element groups (EREGs) by dividing available resource elements, comprised in one physical resource block (PRB) pair, into a predetermined number; forming an enhanced control channel element (ECCE), which is a resource allocation unit for the EPDCCH, by selecting one or more EREGs from among the plurality of EREGs; and transmitting the EPDCCH by means of the transmission resource allocated, for each ECCE, for the EPDCCH, wherein one or more EREGs forming the ECCE is selected on the basis of a cell identifier of the serving cell and/or an index of the one PRB pair.

Abstract translation: 本发明涉及一种用于在无线通信系统中发送下行链路控制信道的方法及其装置。 具体地，用于从服务小区发送增强的物理下行链路控制信道（EPDCCH）的方法包括以下步骤：通过划分包括在一个物理资源块（PRB）中的可用资源元素来形成多个增强资源元素组（EREG） ）对，成预定数; 通过从所述多个EREG中选择一个或多个EREG，形成作为所述EPDCCH的资源分配单元的增强控制信道单元（ECCE）; 并且通过针对每个ECCE为EPDCCH分配的传输资源发送EPDCCH，其中，基于服务小区的小区标识符和/或一个PRB的索引来选择形成ECCE的一个或多个EREG 对。

公开(公告)号：US09345013B2

公开(公告)日：2016-05-17

申请号：US14370204

申请日：2013-01-18

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Hakseong Kim ,  Kijun Kim ,  Dongyoun Seo ,  Inkwon Seo

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/18 ,  H04L1/16

CPC classification number: H04W72/042 ,  H04L1/16 ,  H04L1/1861 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0092 ,  H04W72/0406 ,  H04W72/0413

Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for enhanced control channel-based operation. A method for a base station for transmitting a downlink control channel in a wireless communication system according to one embodiment of the present invention comprises the steps of: determining one antenna port to be used for the downlink control channel; mapping the downlink control channel to a resource element on the basis of a reference signal for the one antenna port; and transmitting the mapped downlink control channel to a terminal, wherein an index for the one antenna port can be determined on the basis of a control channel element (CCE) index of the downlink control channel derived from the terminal identifier.

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，涉及用于增强控制信道操作的方法和装置。 根据本发明的一个实施例的用于在无线通信系统中发送下行链路控制信道的基站的方法包括以下步骤：确定要用于下行链路控制信道的一个天线端口; 基于所述一个天线端口的参考信号，将所述下行链路控制信道映射到资源元素; 以及将映射的下行链路控制信道发送到终端，其中，可以基于从终端标识符导出的下行链路控制信道的控制信道要素（CCE）索引来确定一个天线端口的索引。

公开(公告)号：US09332540B2

公开(公告)日：2016-05-03

申请号：US14828940

申请日：2015-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo ,  Kijun Kim

IPC: H04W72/04 ,  H04J11/00 ,  H04L5/00 ,  H04B15/00 ,  H04W84/04

CPC classification number: H04W72/042 ,  H04B15/00 ,  H04J11/005 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0073 ,  H04L65/4076 ,  H04W72/0413 ,  H04W72/0446 ,  H04W84/045

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and device for transmitting and receiving a downlink control channel for controlling inter-cell interference in a wireless communication system. An embodiment of the present invention provides a method for transmitting a downlink control channel from a base station to a terminal, and the method may comprise: a step of determining whether a downlink subframe is of a first type or a second type; and a step in which if the downlink subframe is of the first type, the number of OFDM symbols for transmitting the downlink control channel is set to a preset value (N), and the downlink control channel is transmitted using N OFDM symbols.

公开(公告)号：US09219994B2

公开(公告)日：2015-12-22

申请号：US13673510

申请日：2012-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Seungmin Lee ,  Inkwon Seo ,  Hanbyul Seo

IPC: H04B7/185 ,  H04W4/06 ,  H04W52/14 ,  H04W52/04

CPC classification number: H04W4/06 ,  H04W52/04 ,  H04W52/143 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/23

Abstract: A method for receiving a downlink signal from a base station (BS) in a multicast broadcast single frequency network (MBSFN) subframe is disclosed. The method is performed by a user equipment (UE) and includes receiving information indicating an MBSFN subframe configured as an almost blank subframe (ABS) (ABS MBSFN subframe) among MBSFN subframes of which a data region is allocated a reduced transmission power lower than a transmission power in a data region of a normal subframe, and demodulating the downlink signal received in the data region of the ABS MBSFN subframe based on a cell-specific reference signal (CRS) in a control region of the ABS MBSFN subframe according to the information.

Abstract translation: 公开了一种用于从多播广播单频网（MBSFN）子帧中的基站（BS）接收下行链路信号的方法。 所述方法由用户设备（UE）执行，并且包括在MBSFN子帧中接收指示被配置为几乎空白子帧（ABS）（ABS MBSFN子帧）的MBSFN子帧的信息（ABS MBSFN子帧），其中数据区被分配了低于 在正常子帧的数据区域中的发送功率，以及根据所述信息，根据所述ABS MBSFN子帧的控制区域中的小区特定参考信号（CRS）来解调在所述ABS MBSFN子帧的数据区域中接收的下行链路信号 。

公开(公告)号：US09191946B2

公开(公告)日：2015-11-17

申请号：US14593815

申请日：2015-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Dongyoun Seo ,  Inkwon Seo ,  Kijun Kim ,  Hakseong Kim

IPC: H04W4/00 ,  H04W72/04 ,  H04L1/18 ,  H04L5/00 ,  H04L1/16

CPC classification number: H04W72/042 ,  H04L1/16 ,  H04L1/1861 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0092 ,  H04W72/0406 ,  H04W72/0413

Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for enhanced-control channel-based operation. A method for a terminal for transmitting confirmation response information in a wireless communication system according to one embodiment of the present invention comprises a step for transmitting confirmation response information for a downlink data channel by means of an uplink control channel resource, wherein an index for the uplink control channel resource can be determined on the basis of a delegate antenna port of a downlink control channel derived from the identifier of the terminal.

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，涉及用于增强控制基于信道的操作的方法和装置。 根据本发明的一个实施例的用于在无线通信系统中发送确认响应信息的终端的方法包括：借助于上行链路控制信道资源发送用于下行链路数据信道的确认响应信息的步骤，其中， 可以基于从终端的标识符导出的下行链路控制信道的委托天线端口来确定上行链路控制信道资源。

公开(公告)号：US09191945B2

公开(公告)日：2015-11-17

申请号：US14370202

申请日：2013-01-18

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Dongyoun Seo ,  Inkwon Seo ,  Kijun Kim ,  Hakseong Kim

IPC: H04W4/00 ,  H04W72/04 ,  H04L1/18 ,  H04L5/00 ,  H04L1/16

CPC classification number: H04W72/042 ,  H04L1/16 ,  H04L1/1861 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0092 ,  H04W72/0406 ,  H04W72/0413

Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for enhanced-control channel-based operation. A method for a terminal for transmitting confirmation response information in a wireless communication system according to one embodiment of the present invention comprises a step for transmitting confirmation response information for a downlink data channel by means of an uplink control channel resource, wherein an index for the uplink control channel resource can be determined on the basis of a delegate antenna port of a downlink control channel derived from the identifier of the terminal.