公开(公告)号：US09585044B2

公开(公告)日：2017-02-28

申请号：US14128467

申请日：2012-06-28

Applicant: Hanjun Park ,  Seungmin Lee ,  Hyungtae Kim ,  Hanbyul Seo

Inventor： Hanjun Park ,  Seungmin Lee ,  Hyungtae Kim ,  Hanbyul Seo

IPC: H04W24/10 ,  H04B7/02 ,  H04B7/06 ,  H04L5/00 ,  H04L25/02

CPC classification number: H04W24/10 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0007 ,  H04L25/0202

Abstract: One embodiment of the present invention discloses a method for allowing user equipment (UE), which can receive channel state information reference signals from a plurality of antenna ports, to transmit channel state information to at least one base station that controls the plurality of antenna ports. The method comprises the following steps: receiving power information of each of the plurality of antenna ports from the at least one base station; calculating channel state information on the at least one base station on the basis of the received power information and channel state information reference signals received from the plurality of antenna ports; and transmitting the calculated channel state information to the at least one base station.

Abstract translation: 本发明的一个实施例公开了一种允许可以从多个天线端口接收信道状态信息参考信号的用户设备（UE）将信道状态信息发送到控制多个天线端口的至少一个基站的方法 。 该方法包括以下步骤：从至少一个基站接收多个天线端口中的每一个的功率信息; 基于从多个天线端口接收的接收功率信息和信道状态信息参考信号，计算至少一个基站上的信道状态信息; 以及将所计算的信道状态信息发送到所述至少一个基站。

公开(公告)号：US09425881B2

公开(公告)日：2016-08-23

申请号：US14005764

申请日：2012-05-04

Applicant: Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

Inventor： Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/0639

Abstract: The present invention relates to a wireless communication system. A method for a terminal to transmit channel state information (CSI) comprises the steps of: determining a precoding matrix by selecting a first precoding matrix and a second precoding matrix; and transmitting the CSI including an index of the said first precoding matrix and an index of the said second precoding matrix. The said first precoding matrix relates to a method for transmitting CSI in which a revision factor according to a relationship between the said terminal and a transmission point is applied.

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。 终端发送信道状态信息（CSI）的方法包括以下步骤：通过选择第一预编码矩阵和第二预编码矩阵来确定预编码矩阵; 以及发送所述CSI，所述CSI包括所述第一预编码矩阵的索引和所述第二预编码矩阵的索引。 所述第一预编码矩阵涉及用于发送CSI的方法，其中应用根据所述终端和传输点之间的关系的修订因子。

公开(公告)号：US09084153B2

公开(公告)日：2015-07-14

申请号：US13992131

申请日：2011-12-23

Applicant: Hanbyul Seo ,  Daewon Lee ,  Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

Inventor： Hanbyul Seo ,  Daewon Lee ,  Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04W4/00 ,  H04W24/10 ,  H04L5/00 ,  H04W48/08

CPC classification number: H04W24/10 ,  H04L5/0057 ,  H04L5/0064 ,  H04W48/08

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for reporting channel state information, wherein the method comprises the steps of: receiving configuration information for a period report of CSI from a first transmission point; and transmitting, to said first transmission point, a CSI report for the downlink of a transmission point corresponding to a corresponding subframe among a plurality of transmission points through each subframe that is periodically set according to said configuration information, wherein: one or more subframes corresponding to a second transmission point are used to transmit a CSI report for multi-transmission point cooperative transmission, if rank information reported to said first transmission point prior to said CSI report is a critical value or less; and one or more subframes corresponding to said second transmission point are used to transmit a CSI report for single-transmission point transmission, if the rank information reported to said first transmission point prior to said CSI report is said critical value or more.

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，本发明涉及一种用于报告信道状态信息的方法和装置，其中该方法包括以下步骤：从第一传输点接收CSI周期报告的配置信息; 以及通过根据所述配置信息周期性地设置的每个子帧，向所述第一传输点发送对应于多个传输点中的对应子帧的传输点的下行链路的CSI报告，其中：对应于一个或多个子帧 如果在所述CSI报告之前报告给所述第一传输点的等级信息是临界值或更小，则将第二传输点用于传输用于多传输点协作传输的CSI报告; 如果在所述CSI报告之前报告给所述第一传输点的等级信息是所述临界值或更多，则将与所述第二传输点相对应的一个或多个子帧用于传送用于单传输点传输的CSI报告。

公开(公告)号：US08989114B2

公开(公告)日：2015-03-24

申请号：US13510222

申请日：2011-03-16

Applicant: Kijun Kim ,  Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

Inventor： Kijun Kim ,  Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

IPC: H04W72/04 ,  H04L5/00 ,  H04B7/02 ,  H04B7/06 ,  H04J11/00 ,  H04L25/03

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04J11/0036 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/03343 ,  H04L2025/03426 ,  H04W24/08 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/082 ,  H04W72/085 ,  H04W76/27 ,  H04W88/02 ,  H04W88/08

Abstract: A method and apparatus for transmitting and receiving a Channel State Information-Reference Signal (CSI-RS) in a wireless communication system supporting multiple antennas are disclosed. The method includes transmitting, at a base station, information of one or more CSI-RS configurations to a mobile station, wherein the one or more CSI-RS configurations include one CSI-RS configuration for which the mobile station assumes non-zero transmission power for CSI-RS, transmitting, at the base station, information indicating a CSI-RS configuration for which the mobile station assumes zero transmission power for the CSI-RS among the one or more CSI-RS configurations to the mobile station, mapping, at the base station, CSI-RSs to resource elements of a downlink subframe based on the one or more CSI-RS configurations, and transmitting, at the base station, the downlink subframe mapped with the CSI-RSs to the mobile station.

Abstract translation: 公开了一种用于在支持多个天线的无线通信系统中发送和接收信道状态信息参考信号（CSI-RS）的方法和装置。 该方法包括在基站向移动台发送一个或多个CSI-RS配置的信息，其中所述一个或多个CSI-RS配置包括一个CSI-RS配置，移动台对其进行非零发射功率 对于CSI-RS，在基站处向移动台发送指示移动台在CSI-RS配置中为CSI-RS的零发射功率的CSI-RS配置的信息，在 所述基站，基于所述一个或多个CSI-RS配置的CSI-RS到下行链路子帧的资源元素，以及在所述基站处将与所述CSI-RS映射的下行链路子帧发送到所述移动站。

公开(公告)号：US08885754B2

公开(公告)日：2014-11-11

申请号：US13812218

申请日：2011-07-28

Applicant: Hyungtae Kim ,  Hanbyul Seo ,  Kijun Kim ,  Daewon Lee

Inventor： Hyungtae Kim ,  Hanbyul Seo ,  Kijun Kim ,  Daewon Lee

IPC: H04B7/02 ,  H04L25/03 ,  H04B7/04 ,  H04B7/06 ,  H04B7/10 ,  H04L5/00

CPC classification number: H04B7/0456 ,  H04B7/0465 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/10 ,  H04L1/0026 ,  H04L1/0031 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0053 ,  H04L25/0391

Abstract: The present invention relates to a method for transmitting a precoded signal, the method comprising: determining a precoding matrix on the basis of the first matrix, which is determined from a first codebook including precoding matrices indicated by a first precoding matrix index (PMI), and the second matrix, which is determined from a second codebook including precoding matrices indicated by a second PMI; and transmitting the precoded signal using the determined precoding matrix to the receiver, wherein each precoding matrix contained in the first codebook is comprised of a block diagonal matrix, and individual blocks of the block diagonal matrix are configured independently of each other, and each precoding matrix contained in the second codebook is comprised of an upper element and a lower element, where the lower element includes a phase rotation value.

Abstract translation: 本发明涉及一种用于发送预编码信号的方法，所述方法包括：基于由包括由第一预编码矩阵索引（PMI）指示的预编码矩阵的第一码本确定的第一矩阵来确定预编码矩阵， 以及第二矩阵，其从包括由第二PMI指示的预编码矩阵的第二码本确定; 以及使用所确定的预编码矩阵将所述预编码信号发送到所述接收机，其中包含在所述第一码本中的每个预编码矩阵由块对角矩阵组成，并且所述块对角矩阵的各个块彼此独立地配置，并且每个预编码矩阵 包含在第二码本中的包含上元件和下元件，其中下元件包括相位旋转值。

公开(公告)号：US20140010318A1

公开(公告)日：2014-01-09

申请号：US13885152

申请日：2011-11-17

Applicant: Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

Inventor： Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

IPC: H04B7/04

CPC classification number: H04B7/0456 ,  H04B7/024 ,  H04B7/0452 ,  H04B7/0486 ,  H04B7/0639

Abstract: The present application discloses a method for reporting channel status information in a multi antenna wireless communication system. In more detail, the method includes: receiving a reference signal from a base station; calculating the optimum precoding matrix index (PMI), at which the intensity of a signal from the base station is maximized, on the basis of the reference signal: determining at least one interference PMI from the base station on the assumption that a plurality of interference PMIs corresponding to the optimum PIM are applied; and transmitting information on at least one determined interference PMI to the base station. Beams corresponding to the plurality of interference PMIs are orthogonal to the beams corresponding to the optimum PMI.

Abstract translation: 本申请公开了一种用于在多天线无线通信系统中报告信道状态信息的方法。 更详细地说，该方法包括：从基站接收参考信号; 基于所述参考信号计算来自所述基站的信号的强度的最佳预编码矩阵索引（PMI）：基于所述参考信号来确定来自所述基站的至少一个干扰PMI，假设多个干扰 应用与最佳PIM对应的PMI; 以及向所述基站发送关于至少一个所确定的干扰PMI的信息。 对应于多个干扰PMI的光束与对应于最佳PMI的光束正交。

公开(公告)号：US20130279460A1

公开(公告)日：2013-10-24

申请号：US13993021

申请日：2011-12-19

Applicant: Hyungtae Kim ,  Hanbyul Seo ,  Hyuntae Kim ,  Daewon Lee

Inventor： Hyungtae Kim ,  Hanbyul Seo ,  Hyuntae Kim ,  Daewon Lee

IPC: H04W24/02

CPC classification number: H04W24/02 ,  H04B7/024 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/0689 ,  H04J11/0053 ,  H04L1/0026 ,  H04L1/0028 ,  H04L5/0035 ,  H04L5/0057 ,  H04L27/2602 ,  H04W24/10

Abstract: The present invention relates to a method for reporting channel status information in a multi-cell cooperative wireless communication system, and to a device for same. In more detail, the method includes: receiving a reference signal from at least one of a serving cell and one or more neighboring cell; generating channel status information for multi-cell cooperative communication on the basis of the reference signal; dividing the channel status information for multi-cell cooperative communication on the basis of a predetermined feedback setting mode and allocating same on a plurality of subframes; and transmitting the channel status information for multi-cell cooperative communication to the serving cell by using the plurality of subframes.

Abstract translation: 本发明涉及一种用于在多小区协作无线通信系统中报告信道状态信息的方法及其装置。 更详细地，该方法包括：从服务小区和一个或多个相邻小区中的至少一个接收参考信号; 基于参考信号生成用于多小区协作通信的信道状态信息; 基于预定的反馈设置模式划分用于多小区协作通信的信道状态信息，并将其分配给多个子帧; 以及通过使用所述多个子帧向所述服务小区发送用于多小区协作通信的信道状态信息。

公开(公告)号：US09179419B2

公开(公告)日：2015-11-03

申请号：US13992171

申请日：2012-02-02

Applicant: Jonghyun Park ,  Inkwon Seo ,  Hyungtae Kim ,  Hanbyul Seo ,  Seungmin Lee ,  Kijun Kim ,  Youngseob Choi

Inventor： Jonghyun Park ,  Inkwon Seo ,  Hyungtae Kim ,  Hanbyul Seo ,  Seungmin Lee ,  Kijun Kim ,  Youngseob Choi

IPC: H04L12/801 ,  H04L12/26 ,  H04W52/02 ,  H04W52/24 ,  H04B7/04 ,  H04L5/00 ,  H04L25/02 ,  H04W52/14 ,  H04W52/40

CPC classification number: H04W72/042 ,  H04B7/0417 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0057 ,  H04L25/0224 ,  H04W52/146 ,  H04W52/242 ,  H04W52/40 ,  H04W72/0413 ,  H04W72/08 ,  H04W72/085 ,  H04W88/085

Abstract: A method of determining uplink transmission power at a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving channel status information-reference signal (CSI-RS) settings and downlink transmission power values for a plurality of transmission points (TPs) from a higher layer, receiving CSI-RSs from the plurality of TPs, estimating path loss values corresponding to the plurality of TPs based on the received CSI-RSs, determining the uplink transmission power using the estimated path loss values, and transmitting an uplink signal to one or more of the plurality of TPs based upon the determined uplink transmission power.

Abstract translation: 公开了一种在无线通信系统中确定用户设备（UE）的上行链路发送功率的方法。 该方法包括从更高层接收多个传输点（TP）的信道状态信息参考信号（CSI-RS）设置和下行链路传输功率值，从多个TP接收CSI-RS，估计相应的路径损耗值 基于所接收的CSI-RS到所述多个TP，使用所估计的路径损耗值来确定所述上行链路发送功率，以及基于所确定的上行链路发送功率将所述上行链路信号发送到所述多个TP中的一个或多个。

公开(公告)号：US09066334B2

公开(公告)日：2015-06-23

申请号：US13982246

申请日：2012-02-21

Applicant: Hyungtae Kim ,  Jonghyun Park ,  Seungmin Lee ,  Inkwon Seo ,  Youngseob Choi

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Seungmin Lee ,  Inkwon Seo ,  Youngseob Choi

IPC: H04Q7/00 ,  H04W72/04 ,  H04L5/00 ,  H04L1/00 ,  H04L1/18

CPC classification number: H04W72/0406 ,  H04L1/0031 ,  H04L1/1861 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0053

Abstract: Disclosed is a method for a terminal to receive a control channel in a wireless communication system. More particularly, the present invention comprises the steps of: receiving a common control channel from a base station; determining an effective channel between the base station and the terminal according to a flag bit of the terminal being indicated in the common control channel; and receiving a terminal specific control channel from the base station on the basis of the effective channel, wherein the terminal specific control channel is space-multiplexes with terminal specific control channels of other terminals controlled by the base station.

Abstract translation: 公开了一种终端在无线通信系统中接收控制信道的方法。 更具体地，本发明包括以下步骤：从基站接收公共控制信道; 根据在公共控制信道中指示的终端的标志位，确定基站与终端之间的有效信道; 以及基于有效信道从基站接收终端专用控制信道，其中终端特定控制信道与由基站控制的其他终端的终端特定控制信道进行空间复用。

公开(公告)号：US20140348075A1

公开(公告)日：2014-11-27

申请号：US14005764

申请日：2012-05-04

Applicant: Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

Inventor： Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/0639

Abstract: The present invention relates to a wireless communication system. A method for a terminal to transmit channel state information (CSI) comprises the steps of: determining a precoding matrix by selecting a first precoding matrix and a second precoding matrix; and transmitting the CSI including an index of the said first precoding matrix and an index of the said second precoding matrix. The said first precoding matrix relates to a method for transmitting CSI in which a revision factor according to a relationship between the said terminal and a transmission point is applied.

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。 终端发送信道状态信息（CSI）的方法包括以下步骤：通过选择第一预编码矩阵和第二预编码矩阵来确定预编码矩阵; 以及发送所述CSI，所述CSI包括所述第一预编码矩阵的索引和所述第二预编码矩阵的索引。 所述第一预编码矩阵涉及用于发送CSI的方法，其中应用根据所述终端和传输点之间的关系的修订因子。