公开(公告)号：US09509471B2

公开(公告)日：2016-11-29

申请号：US14384137

申请日：2013-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim ,  Eunsun Kim

IPC: H04W4/00 ,  H04L5/00 ,  H04W24/10 ,  H04B7/02 ,  H04L5/14

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/14 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system. A method for transmitting channel state information (CSI) by a user equipment in a wireless communication system includes receiving a CSI-reference signal (CSI-RS), determining overhead of a common reference signal (CRS) resource element based on the same antenna port number as an antenna port number associated with the CSI-RS, and transmitting the CSI calculated based on the CSI-RS and the overhead of the CRS resource element.

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。 一种用于在无线通信系统中由用户设备发送信道状态信息（CSI）的方法包括：接收CSI参考信号（CSI-RS），基于相同的天线端口确定公共参考信号（CRS）资源元素的开销 数字作为与CSI-RS相关联的天线端口号，并且发送基于CSI-RS计算的CSI和CRS资源元素的开销。

公开(公告)号：US09491751B2

公开(公告)日：2016-11-08

申请号：US14420251

申请日：2013-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04W72/04 ,  H04L5/00 ,  H04L12/18 ,  H04B7/04 ,  H04W72/00 ,  H04B7/06 ,  H04W4/02 ,  H04W28/18 ,  H04W72/12

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0426 ,  H04B7/0626 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L12/18 ,  H04L12/189 ,  H04W4/025 ,  H04W4/06 ,  H04W28/18 ,  H04W72/005 ,  H04W72/046 ,  H04W72/12

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment decoding an enhanced physical downlink control channel (EPDCCH) in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining a quasi co-location (QCL) of an antenna port of the EPDCCH; and decoding the EPDCCH based on the QCL with respect to the antenna port of the EPDCCH. The user equipment can determine a QCL assumption between an antenna port of an EPDCCH demodulation reference signal and an antenna port of a different reference signal based on the type of a QCL assumption with respect to a PDSCH.

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，更具体地说，本发明涉及一种通过考虑天线端口关系来发送或接收下行链路信号的方法和装置。 根据本发明的一个实施例，一种用于对无线通信系统中的增强物理下行链路控制信道（EPDCCH）进行解码的方法包括以下步骤：确定所述无线通信系统的天线端口的拟协同位置（QCL） EPDCCH; 并且基于相对于EPDCCH的天线端口的QCL对EPDCCH进行解码。 基于相对于PDSCH的QCL假设的类型，用户设备可以确定EPDCCH解调参考信号的天线端口与不同参考信号的天线端口之间的QCL假设。

公开(公告)号：US09451488B2

公开(公告)日：2016-09-20

申请号：US14371153

申请日：2013-01-21

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Seungmin Lee ,  Kijun Kim ,  Hanbyul Seo ,  Byounghoon Kim

IPC: H04L12/26 ,  H04W24/08 ,  H04L5/00 ,  H04W72/04 ,  H04L27/26 ,  H04W24/10 ,  H04B7/02 ,  H04B7/06

CPC classification number: H04W24/08 ,  H04B7/024 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0082 ,  H04L5/0091 ,  H04L27/2613 ,  H04W24/10 ,  H04W72/042

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for channel state information feedback. A method for a user equipment reporting channel state information in the wireless communication system, according to one embodiment of the present invention, comprises: receiving information on a CSI-reference signal (CSI-RS)-related parameter; receiving the CSI-RS on the basis of the CSI-RS-related parameter; and reporting to the base station CSI feedback information generated on the basis of the CSI-RS, wherein the CSI-RS-related parameter can be applied as a CSI-RS port or a port group unit, wherein an independent CSI-RS transmission power ratio indication parameter can be provided for each subframe set.

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，更具体地说，涉及一种信道状态信息反馈的方法和装置。 根据本发明的一个实施例的用于在无线通信系统中报告信道状态信息的用户设备的方法包括：接收关于CSI参考信号（CSI-RS）相关参数的信息; 根据CSI-RS相关参数接收CSI-RS; 并且向基站CSI-RS生成的基站CSI反馈信息进行报告，其中，所述CSI-RS相关参数可以应用为CSI-RS端口或端口组单元，其中独立的CSI-RS传输功率 可以为每个子帧组提供比率指示参数。

公开(公告)号：US20160242156A1

公开(公告)日：2016-08-18

申请号：US15141305

申请日：2016-04-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Eunsun Kim ,  Hanjun Park ,  Hanbyul Seo ,  Jonghyun Park ,  Kijun Kim

IPC: H04W72/04 ,  H04B7/02 ,  H04B7/06 ,  H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0005 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0094 ,  H04W72/042 ,  H04W72/0446

Abstract: The present invention relates to a wireless communication system. A method for receiving data by a user equipment (UE) in a cooperative multi-point (CoMP) wireless communication system includes receiving information indicating a transmission base station (BS) that actually transmits data among a plurality of BSs that participate in CoMP, receiving information about zero-power channel state information-reference signal (CSI-RS) of each of the plural BSs, and assuming that data is not mapped to a resource element of zero-power CSI-RS corresponding to the transmission BS and receiving the data through a physical downlink control channel (PDSCH).

公开(公告)号：US20160211902A1

公开(公告)日：2016-07-21

申请号：US14914126

申请日：2014-10-24

Applicant: LG Electronics Inc.

Inventor： Jonghyun Park ,  Yoonsoo Kim ,  Wonji Sung ,  Hosik Kang ,  Jihoon Sung

IPC: H04B7/06 ,  H04B7/04 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/0417 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0628 ,  H04L5/0023 ,  H04L5/0048 ,  H04W24/08

Abstract: Disclosed are a method for reporting channel state information in a wireless communication system and an apparatus therefor. A method by which user equipment reports channel state information (CSI) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving, from a base station, an RRC message including at least one CSI-reference signal (CSI-RS) configuration for a first direction domain; respectively receiving through different sub-frames, a first CSI-RS from a first subset and a second CSI-RS from a second subset among a plurality of physical antenna elements in the base station on the basis of the CSI-RS configuration; and performing a CSI report by using the first and second CSI-RSs, wherein when the CSI-RS configuration for the first direction domain is one, the first CSI-RS and the second CSI-RS are respectively received from the first subset and the second subset by virtualization-varying antenna ports related to one CSI-RS configuration in a predetermined period.

Abstract translation: 公开了一种用于在无线通信系统及其装置中报告信道状态信息的方法。 根据本发明的一个实施例的用户设备在无线通信系统中报告信道状态信息（CSI）的方法包括以下步骤：从基站接收包括至少一个CSI参考的RRC消息 信号（CSI-RS）配置; 基于所述CSI-RS配置，分别从所述基站中的多个物理天线元件中分别接收来自第一子集的第一CSI-RS和来自所述基站中的多个物理天线元素中的第二子集的第二CSI-RS; 以及通过使用第一和第二CSI-RS来执行CSI报告，其中当第一方向域的CSI-RS配置为1时，分别从第一子集接收第一CSI-RS和第二CSI-RS，并且 第二子集由在预定周期内与一个CSI-RS配置相关的虚拟化变化的天线端口。

公开(公告)号：US09374258B2

公开(公告)日：2016-06-21

申请号：US14274376

申请日：2014-05-09

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Hakseong Kim ,  Hanbyul Seo ,  Jonghyun Park ,  Kijun Kim ,  Suckchel Yang

IPC: H04L12/28 ,  H04L25/08 ,  H04W72/00 ,  H04L27/26 ,  H04J11/00 ,  H04W24/02 ,  H04L5/00

CPC classification number: H04L27/2647 ,  H04J11/005 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0073 ,  H04W24/02

Abstract: A method for receiving information for interference cancellation of a mobile station (MS) is disclosed. The method is performed by the MS and includes receiving a restricted virtual radio network temporary identifier (V-RNTI) set including a plurality of V-RNTIs for interference signal cancellation from a serving base station (BS), wherein each of the plurality of V-RNTIs is associated with one or more RNTIs of one or more MSs served by a neighboring cell (hereinafter, “neighboring MS”), and receiving downlink control channel including a cyclic redundancy check (CRC) bit scrambled by at least one V-RNTI of the restricted V-RNTI set, for the neighboring MS, using the at least one V-RNTI, wherein, if two or more neighboring MSs having RNTIs associated with a specific V-RNTI among the plurality of V-RNTIs are scheduled at the same time, the specific V-RNTI is used only for downlink control channel for one of the two or more neighboring MSs.

Abstract translation: 公开了一种用于接收移动台（MS）的干扰消除信息的方法。 该方法由MS执行，并且包括从服务基站（BS）接收包括用于干扰信号消除的多个V-RNTI的受限虚拟无线电网络临时标识符（V-RNTI）集合，其中多个V -RNTI与由相邻小区（以下称为“相邻MS”）服务的一个或多个MS的一个或多个RNTI相关联，并且接收包括由至少一个V-RNTI加扰的循环冗余校验（CRC）比特的下行链路控制信道 使用所述至少一个V-RNTI对所述相邻MS进行限制的V-RNTI集合，其中，如果在所述多个V-RNTI中具有与所述多个V-RNTI中的特定V-RNTI相关联的RNTI的两个或更多个相邻MS被调度在 同时，特定的V-RNTI仅用于两个或更多个相邻MS之一的下行链路控制信道。

公开(公告)号：US09369193B2

公开(公告)日：2016-06-14

申请号：US14424880

申请日：2013-09-03

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04B7/06 ,  H04B7/04 ,  H04W24/10 ,  H04W72/04

CPC classification number: H04B7/0626 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0639 ,  H04B7/0645 ,  H04B7/065 ,  H04W24/10 ,  H04W72/042

Abstract: The present invention relates to a method for feeding back channel state information with respect to downlink transmission of a terminal in a wireless communication system supporting multiple antennas. Particularly, the method comprises the steps of measuring a channel with respect to downlink transmission; and transmitting a precoding matrix indicator (PMI) to which a precoding matrix for multiple antennas is applied, on the basis of the channel measuring result, wherein the multiple antennas are defined as a group of N antenna (N>0, N is an integer), and the precoding matrix for multiple antennas is determined by a precoding matrix for the group of N antennas and a phase coefficient matrix with respect to the precoding matrix for the group of N antennas.

Abstract translation: 本发明涉及一种在支持多个天线的无线通信系统中对终端的下行链路传输反馈信道状态信息的方法。 特别地，该方法包括以下步骤：相对于下行链路传输测量信道; 并且根据所述信道测量结果发送应用了多个天线的预编码矩阵的预编码矩阵指示符（PMI），其中，所述多个天线被定义为N个天线的组（N> 0，N是整数 ），并且用于多个天线的预编码矩阵由N组天线的预编码矩阵和相对于N组天线的预编码矩阵的相位系数矩阵确定。

公开(公告)号：US09271283B2

公开(公告)日：2016-02-23

申请号：US14405369

申请日：2013-06-17

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Kijun Kim ,  Suckchel Yang ,  Jonghyun Park ,  Joonkui Ahn ,  Dongyoun Seo ,  Illsoo Sohn

IPC: H04W80/04 ,  H04W88/06 ,  H04W28/04 ,  H04W72/04 ,  H04W24/10 ,  H04W88/02 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/0057 ,  H04W24/10 ,  H04W88/02

Abstract: The present invention provides a method and a device for transmitting or receiving channel state information (CSI). According to the present invention, when a user equipment can be set with one or more CSI processes per serving cell, a CSI request field included in downlink control information for a specific serving cell indicates at least whether a non-periodic CSI report triggered by the CSI request field is triggered for a set of CSI process(es) set by a higher layer from among the CSI process(es) for the one serving cell.

Abstract translation: 本发明提供一种用于发送或接收信道状态信息（CSI）的方法和装置。 根据本发明，当每个服务小区可以设置一个或多个CSI进程的用户设备时，包括在特定服务小区的下行链路控制信息中的CSI请求字段至少指示由该服务小区触发的非周期性CSI报告 针对一个服务小区的CSI进程中的较高层设置的一组CSI进程触发CSI请求字段。

公开(公告)号：US20150257132A1

公开(公告)日：2015-09-10

申请号：US14431223

申请日：2013-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Kijun Kim ,  Jonghyun Park

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

CPC classification number: H04W72/042 ,  H04B7/068 ,  H04B7/0684 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2601 ,  H04L27/2602 ,  H04W72/0446

Abstract: A method for transmitting a channel state information reference signal (CSI-RS) in a specific downlink subframe having an extended cyclic prefix (CP) in a wireless communication system according to an embodiment of the present invention includes: generating a CSI-RS sequence and mapping the CSI-RS sequence to CSI-RS complex-valued modulation symbols; and mapping the CSI-RS complex-valued modulation symbols to at least one pattern of a first CSI-RS pattern set composed of a plurality of CSI-RS patterns and a second CSI-RS pattern set composed of a plurality of CSI-RS patterns, the CSI-RS patterns being composed of REs to which CSI-RS complex-valued modulation symbols are mapped, wherein the second CSI-RS pattern set is available when 2 OFDM symbols are used for a physical downlink control channel in the downlink subframe or a specific downlink control information format is configured.

Abstract translation: 根据本发明实施例的用于在具有扩展循环前缀（CP）的特定下行链路子帧中发送信道状态信息参考信号（CSI-RS）的方法包括：生成CSI-RS序列和 将CSI-RS序列映射到CSI-RS复值调制符号; 以及将CSI-RS复值调制符号映射到由多个CSI-RS模式组成的第一CSI-RS模式集合和由多个CSI-RS模式组成的第二CSI-RS模式集合的至少一个模式 CSI-RS模式由映射CSI-RS复值调制符号的RE组成，其中当在下行链路子帧中使用2个OFDM符号用于物理下行链路控制信道时，第二CSI-RS模式集可用，或者 配置特定的下行链路控制信息格式。

公开(公告)号：US20150195068A1

公开(公告)日：2015-07-09

申请号：US14411773

申请日：2013-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Eunsun Kim ,  Byounghoon Kim ,  Kijun Kim ,  Hanbyul Seo ,  Jonghyun Park

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04J11/0053 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0094

Abstract: A method for a terminal for receiving a downlink signal according to an embodiment of the present invention comprises the steps of: receiving, from a serving cell, a cell-specific reference signal (CRS) information for a neighboring cell; and receiving, from a serving cell and/or a neighboring cell, a physical downlink shared channel (PDSCH), wherein the CRS of the serving cell is invalidated if the terminal receives a PDSCH from the neighboring cell.

Abstract translation: 根据本发明的实施例的用于接收下行链路信号的终端的方法包括以下步骤：从服务小区接收相邻小区的小区特定参考信号（CRS）信息; 并且从服务小区和/或相邻小区接收物理下行链路共享信道（PDSCH），其中如果终端从相邻小区接收到PDSCH，则服务小区的CRS无效。