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61. 发明授权

US09059820B2 Method for transmitting channel quality information, user equipment, method for transmitting multi-user data, and base station 有权
标题翻译：发送信道质量信息，用户设备，多用户数据发送方法和基站的方法
公开(公告)号：US09059820B2
公开(公告)日：2015-06-16
申请号：US13580632
申请日：2011-02-09
申请人： Ja Ho Koo , Wook Bong Lee , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
发明人： Ja Ho Koo , Wook Bong Lee , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
IPC分类号： H04B7/00 , H04L1/00 , H04B7/04 , H04B7/06 , H04W72/12 , H04L25/03
CPC分类号： H04L1/0026 , H04B7/0452 , H04B7/0473 , H04B7/0486 , H04B7/0617 , H04B7/0632 , H04L1/0031 , H04L25/03949 , H04L2025/03802 , H04W72/12
摘要： The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus which indicate, using multiple CQIs, channel quality in the event multiple users are scheduled in the same time/frequency area, and to a method and apparatus which estimate a channel state using said multiple CQIs. According to the embodiments of the present invention, a channel state can be estimated in a more accurate manner in a multi-user MIMO system.
摘要翻译：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，本发明涉及一种方法和装置，其指示在多个用户在相同时间/频率区域中调度的情况下使用多个CQI的信道质量，以及使用所述多个估计估计信道状态的方法和装置 CQI。根据本发明的实施例，可以在多用户MIMO系统中以更准确的方式估计信道状态。

62. 发明授权

US09025620B2 Method and apparatus for transmitting signal in wireless communication system 有权
标题翻译：用于在无线通信系统中发送信号的方法和装置
公开(公告)号：US09025620B2
公开(公告)日：2015-05-05
申请号：US13256432
申请日：2010-03-30
申请人： Moon Il Lee , Wook Bong Lee , Ja Ho Koo , Hyun Soo Ko , Jae Hoon Chung , Bin Chul Ihm
发明人： Moon Il Lee , Wook Bong Lee , Ja Ho Koo , Hyun Soo Ko , Jae Hoon Chung , Bin Chul Ihm
IPC分类号： H04J3/16 , H04J11/00 , H04W4/00 , H04L1/00 , H04L1/06
CPC分类号： H04B7/0456 , H04L1/0041 , H04L1/0075 , H04L1/06 , H04L5/0051 , H04L25/03343 , H04W88/02 , H04W88/08
摘要： A method and apparatus for transmitting a signal in a wireless communication system are provided. The method includes: generating R spatial streams each of which is generated on the basis of an information stream and a reference signal; generating N transmit streams on the basis of the R spatial streams and a precoding matrix (where R
摘要翻译：提供了一种在无线通信系统中发送信号的方法和装置。该方法包括：产生每个基于信息流和参考信号生成的R个空间流; 根据R空间流和预编码矩阵（其中R

63. 发明授权

US08983511B2 Method for transceiving a signal, and base station and user equipment for same 有权
标题翻译：用于收发信号的方法，基站和用户设备相同
公开(公告)号：US08983511B2
公开(公告)日：2015-03-17
申请号：US13581250
申请日：2011-01-28
申请人： Ja Ho Koo , Ji Won Kang , Bin Chul Ihm
发明人： Ja Ho Koo , Ji Won Kang , Bin Chul Ihm
IPC分类号： H04B7/15 , H04B7/04 , H04B7/02 , H04B7/06 , H04W72/12 , H04W88/08
CPC分类号： H04B7/0417 , H04B7/022 , H04B7/0639 , H04W72/1231 , H04W88/085
摘要： The present invention relates to a method for mitigating inter-cell interference in a multi-cell DAS. In one embodiment of the present invention, user equipment estimates an interfering antenna of an adjacent cell on the basis of RS pattern information of the adjacent cell, provided by a base station of a serving cell, or the base station provides the user equipment with information which specifies an interfering cell of the adjacent cell.
摘要翻译：本发明涉及一种减轻多小区DAS中小区间干扰的方法。在本发明的一个实施例中，用户设备基于由服务小区的基站提供的相邻小区的RS模式信息来估计相邻小区的干扰天线，或者基站向用户设备提供信息其指定相邻小区的干扰小区。

64. 发明授权

US08838164B2 Method for transmitting feedback information in CoMP, terminal for performing same, method for generating channel state information and base station apparatus for performing same 有权
标题翻译：用于在CoMP中发送反馈信息的方法，用于执行相同的终端，用于产生信道状态信息的方法和用于执行相同信道状态信息的基站装置
公开(公告)号：US08838164B2
公开(公告)日：2014-09-16
申请号：US13502351
申请日：2010-10-11
申请人： Ja Ho Koo , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
发明人： Ja Ho Koo , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
IPC分类号： H04B7/00 , H04L1/20 , H04L5/00 , H04J11/00 , H04W72/08
CPC分类号： H04L1/20 , H04J11/0053 , H04L5/0044 , H04L5/0048 , H04L5/0062 , H04W72/082
摘要： Disclosed are a method for estimating a channel state in a CoMP operation of a terminal and a method for generating channel state information of a base station. A terminal can measure strength or an interference level of a signal of each cell using a reference signal received from each cell for performing the CoMP operation. In addition, the terminal can measure the sum of the interference levels of the cells which do not perform the CoMP operation using a region from which a reference signal of a serving cell of each cell is transmitted. In addition, the terminal can transmit to the serving base station the strength of the interference level of the signal of each cell for performing the measured CoMP operation and the sum of the interference levels of the cells which do not perform the CoMP operation.
摘要翻译：公开了一种用于估计终端的CoMP操作中的信道状态的方法和用于生成基站的信道状态信息的方法。终端可以使用从每个小区接收的用于执行CoMP操作的参考信号来测量每个小区的信号的强度或干扰电平。此外，终端可以使用从其发送每个小区的服务小区的参考信号的区域来测量不执行CoMP操作的小区的干扰电平之和。此外，终端可以向服务基站发送用于执行所测量的CoMP操作的每个小区的信号的干扰电平的强度和不执行CoMP操作的小区的干扰电平之和。

65. 发明授权

US08693564B2 Low overhead feedback scheme for codebook based closed-loop MIMO 失效
标题翻译：低开销反馈方案，用于基于码本的闭环MIMO
公开(公告)号：US08693564B2
公开(公告)日：2014-04-08
申请号：US13141207
申请日：2010-02-09
申请人： Jian Xu , Ja Ho Koo , Bin Chul Ihm , Wook Bong Lee
发明人： Jian Xu , Ja Ho Koo , Bin Chul Ihm , Wook Bong Lee
IPC分类号： H04B7/02
CPC分类号： H04B7/0621 , H04B7/0663
摘要： The present invention relates to a Multi-Input Multi-Output (MIMO) communication system and more particularly, to a method for Correlation matrix feedback in a multi-cell wireless communication system. A method for transmitting correlation matrix feedback information of a mobile station considering adaptive feedback mode in a multi-cell wireless communication system according to one embodiment of the present invention comprises measuring a channel between the mobile station and a serving base station using a signal received from the serving base station; determining a first matrix indicating channel state information and a first precoder using the measured channel; generating a second matrix using a Fourier matrix and the first matrix; and transmitting feedback information including at least one of information of the first precoder and diagonal values of the second matrix.
摘要翻译：多输入多输出（MIMO）通信系统技术领域本发明涉及多输入多输出（MIMO）通信系统，更具体地说，涉及一种用于多小区无线通信系统中的相关矩阵反馈的方法。在根据本发明的一个实施例的在多小区无线通信系统中考虑自适应反馈模式的移动站的相关矩阵反馈信息的传输方法包括：使用接收到的信号来测量移动站与服务基站之间的信道，服务基站; 使用所测量的信道确定指示信道状态信息的第一矩阵和第一预编码器; 使用傅立叶矩阵和所述第一矩阵生成第二矩阵; 以及发送包括第一预编码器的信息和第二矩阵的对角线值中的至少一个的反馈信息。

66. 发明授权

US08675481B2 Method and apparatus for transmitting reference signal in multi-antenna system 有权
标题翻译：用于在多天线系统中传输参考信号的方法和装置
公开(公告)号：US08675481B2
公开(公告)日：2014-03-18
申请号：US13259142
申请日：2010-03-23
申请人： Hyun Soo Ko , Seung Hee Han , Ja Ho Koo , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
发明人： Hyun Soo Ko , Seung Hee Han , Ja Ho Koo , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
IPC分类号： G08C15/00
CPC分类号： H04B7/0413 , H04B7/0613 , H04B7/0632 , H04L5/0007 , H04L5/0026 , H04L5/0039 , H04L5/0048 , H04L5/0057 , H04L5/0073 , H04L5/0085 , H04L25/0226 , H04L27/2611 , H04L2025/03426 , H04L2025/03802
摘要： A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.
摘要翻译：提供了一种用于在多天线系统中发送参考信号的方法。该方法包括：在包含多个OFDM符号的子帧中选择至少一个正交频分复用（OFDM）符号; 向所选择的至少一个OFDM符号分配能够测量多个天线中的每一个的信道状态的信道质量指示参考信号（CQI RS）; 并发送CQI RS，其中将CQI RS分配给OFDM符号，该OFDM符号不与要发送到小区中的所有用户设备的公共参考信号的OFDM符号或要发送到的一个专用参考信号重叠分配单元中的特定用户设备。

67. 发明申请

US20130083743A1 METHOD FOR TRANSMITTING PRECODING MATRIX INFORMATION AND USER DEVICE, AND METHOD FOR TRANSMITTING DATA TO PLURALITY OF USER DEVICES AND BASE STATION 有权
标题翻译：用于发送预测矩阵信息和用户设备的方法，以及用于将数据发送到用户设备和基站的多样性的方法
公开(公告)号：US20130083743A1
公开(公告)日：2013-04-04
申请号：US13511596
申请日：2010-11-25
申请人： Ja Ho Koo , Wook Bong Lee , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
发明人： Ja Ho Koo , Wook Bong Lee , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
IPC分类号： H04B7/04
CPC分类号： H04B7/0478 , H04B7/024 , H04B7/0452 , H04B7/0456 , H04B7/063 , H04B7/0632 , H04L25/03898
摘要： The present invention relates to a precoding matrix information transmission method and a user device, and provides a method for transmitting precoding matrix information by a particular user device among user devices that receive a signal transmitted from one base station. The method comprises the steps of: determining, from a predetermined codebook, a first precoding matrix which is a precoding matrix for the particular user device during signal reception, and determining one or more second precoding matrices for the other user devices which are to be multiplexed in a predetermined resource region with the particular user device, wherein the one or more second precoding matrices are determined within a codebook subset of the predetermined codebook linked with the first precoding matrix; and transmitting, to the base station, first precoding matrix information indicating the first precoding matrix and second precoding matrix information indicating the one or more second precoding matrices.
摘要翻译：预编码矩阵信息传输方法和用户设备技术领域本发明涉及预编码矩阵信息传输方法和用户设备，并且提供了一种用于在接收从一个基站发送的信号的用户设备之间传送特定用户设备的预编码矩阵信息的方法。该方法包括以下步骤：从预定码本确定在信号接收期间作为特定用户设备的预编码矩阵的第一预编码矩阵，以及确定要复用的其他用户设备的一个或多个第二预编码矩阵在与特定用户设备的预定资源区域中，其中在与第一预编码矩阵链接的预定码本的码本子集内确定一个或多个第二预编码矩阵; 以及向所述基站发送指示所述第一预编码矩阵的第一预编码矩阵信息和指示所述一个或多个第二预编码矩阵的第二预编码矩阵信息。

68. 发明申请

US20120314676A1 METHOD FOR TRANSMITTING CHANNEL QUALITY INFORMATION, USER EQUIPMENT, METHOD FOR TRANSMITTING MULTI-USER DATA, AND BASE STATION 有权
标题翻译：发送信道质量信息的方法，用户设备，用于发送多用户数据的方法和基站
公开(公告)号：US20120314676A1
公开(公告)日：2012-12-13
申请号：US13580632
申请日：2011-02-09
申请人： Ja Ho Koo , Wook Bong Lee , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
发明人： Ja Ho Koo , Wook Bong Lee , Jae Hoon Chung , Bin Chul Ihm , Moon Il Lee
IPC分类号： H04W72/08
CPC分类号： H04L1/0026 , H04B7/0452 , H04B7/0473 , H04B7/0486 , H04B7/0617 , H04B7/0632 , H04L1/0031 , H04L25/03949 , H04L2025/03802 , H04W72/12
摘要： The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus which indicate, using multiple CQIs, channel quality in the event multiple users are scheduled in the same time/frequency area, and to a method and apparatus which estimate a channel state using said multiple CQIs. According to the embodiments of the present invention, a channel state can be estimated in a more accurate manner in a multi-user MIMO system.
摘要翻译：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，本发明涉及一种方法和装置，其指示在多个用户在相同时间/频率区域中调度的情况下使用多个CQI的信道质量，以及使用所述多个估计估计信道状态的方法和装置 CQI。根据本发明的实施例，可以在多用户MIMO系统中以更准确的方式估计信道状态。

69. 发明授权

US08279825B2 Method for transmitting channel state information in a wireless communication system 有权
标题翻译：用于在无线通信系统中发送信道状态信息的方法
公开(公告)号：US08279825B2
公开(公告)日：2012-10-02
申请号：US12757586
申请日：2010-04-09
申请人： Ja Ho Koo , Wook Bong Lee , Jian Xu , Bin Chul Ihm , Hyun Soo Ko
发明人： Ja Ho Koo , Wook Bong Lee , Jian Xu , Bin Chul Ihm , Hyun Soo Ko
IPC分类号： H04W72/04
CPC分类号： H04L25/0242 , H04L1/0026 , H04L5/0007 , H04L5/0023 , H04L5/0053 , H04L5/0057 , H04W28/06 , H04W72/042 , H04W72/0453
摘要： A method for transmitting channel state information from an user equipment in a wireless communication system is disclosed. The user equipment transmits a spatial channel matrix or a spatial channel covariance matrix irrespective of a feedback type. The user equipment is able to additionally transmit noise plus interference variance information of a whole bandwidth used for the channel state information. In this case, the user equipment is able to transmit normalized spatial channel matrix or spatial channel covariance matrix and normalized noise plus interference variance information for accurate and efficient transmission of the channel state information. The user equipment receives an allocation of an uplink resource from a base station and is then able to map the spatial channel matrix or the spatial channel covariance matrix to the allocated resource according to a specific pattern.
摘要翻译：公开了一种用于在无线通信系统中从用户设备发送信道状态信息的方法。无论反馈类型如何，用户设备发送空间信道矩阵或空间信道协方差矩阵。用户设备能够附加地传输用于信道状态信息的整个带宽的噪声加干扰方差信息。在这种情况下，用户设备能够发送归一化空间信道矩阵或空间信道协方差矩阵和归一化噪声加干扰方差信息，以准确和有效地传输信道状态信息。用户设备从基站接收上行链路资源的分配，然后能够根据特定模式将空间信道矩阵或空间信道协方差矩阵映射到所分配的资源。

70. 发明申请

US20120128050A1 FEEDBACK SCHEME FOR MULTI-CELL INTERFERENCE MITIGATION CONSIDERATION LEGACY MOBILE USERS 失效
标题翻译：用于多细胞干扰减轻的反馈方案LEGACY MOBILE USERS
公开(公告)号：US20120128050A1
公开(公告)日：2012-05-24
申请号：US13388019
申请日：2010-02-17
申请人： Jian Xu , Ja Ho Koo , Bin Chul Ihm , Wook Bong Lee
发明人： Jian Xu , Ja Ho Koo , Bin Chul Ihm , Wook Bong Lee
IPC分类号： H04L25/49 , H04B7/02
CPC分类号： H04B7/0617 , H04B7/063
摘要： The present invention relates to a Multi-Input Multi-Output (MIMO) communication system and more particularly, to a method for precoding matrix index (PMI) restriction/recommendation in a multi-cell wireless communication system. A method of codebook based precoding matrix index (PMI) feedback considering legacy mobile stations in a multi-cell wireless communication system comprises measuring a channel from at least one neighboring base station generating interference with a signal received from a serving base station; determining a first PMI in which the interference is maximized from PMIs included in a first codebook, wherein the first PMI is determined based on the measured channel; determining a first PMI group including PMIs having high correlation to the first PMI from the PMIs included in the first codebook; determining a second PMI in which the interference is maximized from PMIs included in a second codebook, where in the second codebook is for the legacy mobile stations; determining a second PMI group including PMIs having high correlation to the second PMI from the PMIs included in the second codebook; and transmitting feedback information including the first PMI, a first subset bit indicating the first PMI group, the second PMI and a second subset bit indicating the second PMI group to the serving base station.
摘要翻译：多输入多输出（MIMO）通信系统技术领域本发明涉及多输入多输出（MIMO）通信系统，更具体地说，涉及在多小区无线通信系统中对矩阵索引（PMI）限制/推荐进行预编码的方法。一种考虑多小区无线通信系统中的传统移动台的基于码本的预编码矩阵索引（PMI）反馈的方法包括测量来自至少一个相邻基站的信道，产生对从服务基站接收的信号的干扰; 从包括在第一码本中的PMI确定其中所述干扰最大化的第一PMI，其中，基于所测量的信道确定所述第一PMI; 从包括在第一码本中的PMI确定包括与第一PMI具有高相关性的PMI的第一PMI组; 从包括在第二码本中的PMI确定其中所述干扰最大化的第二PMI，其中在所述第二码本中用于所述传统移动站; 从包括在第二码本中的PMI确定包括与第二PMI相关性高的PMI的第二PMI组; 以及向所述服务基站发送包括所述第一PMI，指示所述第一PMI组的第一子集比特，所述第二PMI和指示所述第二PMI组的第二子比特的反馈信息。

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