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    Method for transmitting downlink reference signals in a multi-antenna wireless communication system
    41.
    发明授权
    Method for transmitting downlink reference signals in a multi-antenna wireless communication system 有权
    一种用于在多天线无线通信系统中发送下行链路参考信号的方法

    公开(公告)号：US08400994B2

    公开(公告)日：2013-03-19

    申请号：US12608704

    申请日：2009-10-29

    申请人： Yu Jin Noh ,  Ki Jun Kim ,  Byeong Woo Kang ,  Dae Won Lee ,  Bong Hoe Kim ,  Dong Wook Roh

    发明人： Yu Jin Noh ,  Ki Jun Kim ,  Byeong Woo Kang ,  Dae Won Lee ,  Bong Hoe Kim ,  Dong Wook Roh

    IPC分类号： H04B7/216

    CPC分类号： H04B7/0874 ,  H04B7/0434 ,  H04B7/0691

    摘要： A method for transmitting downlink reference signal in a multi-antenna wireless communication system is disclosed. The method includes allocating RSs for a first antenna group to a subframe having a predetermined area with different access levels for user equipments having different access capabilities, pairing RSs for a second antenna group with RSs for the first antenna group, allocating the paired RSs to the predetermined area of the subframe in code division multiplexing, and transmitting the subframe on the downlink.

    摘要翻译： 公开了一种用于在多天线无线通信系统中发送下行链路参考信号的方法。 该方法包括将第一天线组的RS分配给具有对具有不同接入能力的用户设备具有不同接入电平的预定区域的子帧，将第二天线组的RS与第一天线组的RS配对，将配对RS分配给 在码分复用中子帧的预定区域，并在下行链路上发送子帧。

    METHOD FOR TRANSMITTING SOUNDING SIGNAL IN WIRELESS COMMUNICATION SYSTEM
    42.
    发明申请
    METHOD FOR TRANSMITTING SOUNDING SIGNAL IN WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统中发送信号的方法

    公开(公告)号：US20120327914A1

    公开(公告)日：2012-12-27

    申请号：US13580097

    申请日：2010-11-29

    申请人： Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Yong Ho Seok

    发明人： Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Yong Ho Seok

    IPC分类号： H04W72/04

    CPC分类号： H04W56/00 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/16 ,  H04W8/005 ,  H04W8/186 ,  H04W48/16 ,  H04W84/12

    摘要： Disclosed is a method for allowing a station to transmit a sounding signal in a multiple-antenna wireless communication system, the method including receiving a group defining information about a group to which the station belongs from an access point (AP); determining a transmission time taken in transmitting a sounding signal by the respective stations, which belong to the group, on the basis of the group defining information; and transmitting a sounding signal to the AP in accordance with the transmission time and preset transmission order when receiving a sounding request signal from the AP.

    摘要翻译： 公开了一种允许站在多天线无线通信系统中发送探测信号的方法，所述方法包括从接入点（AP）接收定义关于所述站所属的组的信息的组; 基于组定义信息，确定由属于该组的各个站发送探测信号所用的传输时间; 并且当从AP接收到探测请求信号时，根据传输时间和预设的传输顺序，向AP发送探测信号。

    METHOD FOR INDICATING PRECODING MATRIX INDICATOR IN UPLINK MIMO SYSTEM WITH BASED ON SC-FDMA
    45.
    发明申请
    METHOD FOR INDICATING PRECODING MATRIX INDICATOR IN UPLINK MIMO SYSTEM WITH BASED ON SC-FDMA 有权
    基于SC-FDMA的上行MIMO系统中预测矩阵指示符的方法

    公开(公告)号：US20120082102A1

    公开(公告)日：2012-04-05

    申请号：US13148886

    申请日：2010-02-19

    申请人： Byeong Woo Kang ,  Joon Kui Ahn ,  Dong Youn Seo ,  Jung Hoon Lee ,  Yu Jin Noh ,  Byoung Hoon Kim ,  Suck Chel Yang ,  Bong Hoe Kim ,  Dae Won Lee

    发明人： Byeong Woo Kang ,  Joon Kui Ahn ,  Dong Youn Seo ,  Jung Hoon Lee ,  Yu Jin Noh ,  Byoung Hoon Kim ,  Suck Chel Yang ,  Bong Hoe Kim ,  Dae Won Lee

    IPC分类号： H04W74/04 ,  H04W72/04

    CPC分类号： H04B7/0639 ,  H04L5/0039

    摘要： A method of transmitting PMI (precoding matrix indicator) information in an uplink MIMO system is disclosed. The present invention includes the steps of receiving channel information from a user equipment and transmitting information on a resource allocated to the user equipment in uplink transmission and PMI information indicating a precoding matrix to apply to a region of the resource among a plurality of precoding matrices to the user equipment based on the received channel information, wherein the resource allocated to the user equipment is allocated by a bundle unit of a prescribed number of subcarriers, wherein each of a plurality of the precoding matrices are applied to regions generated from dividing a whole frequency band into a prescribed number of regions, respectively, and wherein the precoding matrix applied to the resource among a plurality of the precoding matrices has a maximum area resulting from overlapping a frequency band occupied by the allocated resource with a frequency band having the precoding matrix applied thereto.

    摘要翻译： 公开了一种在上行链路MIMO系统中发送PMI（预编码矩阵指示符）信息的方法。 本发明包括以下步骤：从用户设备接收信道信息，并在上行链路传输中发送关于分配给用户设备的资源的信息，以及指示预编码矩阵的PMI信息，以应用于多个预编码矩阵中的资源区域，以 所述用户设备基于所接收的信道信息，其中，分配给所述用户设备的资源由规定数量的副载波的分组单元分配，其中，所述多个预编码矩阵中的每一个被应用于从分频整个频率 并且其中在多个预编码矩阵中应用于资源的预编码矩阵具有由所分配的资源占据的频带与具有预编码矩阵的频带重叠而产生的最大区域 到此。

    METHOD FOR TRANSMITTING DATA BY APPLYING PRECODING MATRIX IN AN OPEN LOOP MIMO SYSTEM
    46.
    发明申请
    METHOD FOR TRANSMITTING DATA BY APPLYING PRECODING MATRIX IN AN OPEN LOOP MIMO SYSTEM 失效
    通过在开环MIMO系统中应用预编码矩阵来发送数据的方法

    公开(公告)号：US20120063438A1

    公开(公告)日：2012-03-15

    申请号：US13319621

    申请日：2010-05-26

    申请人： Byeong Woo Kang ,  Dong Wook Roh ,  Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Joon Kul Ahn

    发明人： Byeong Woo Kang ,  Dong Wook Roh ,  Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Joon Kul Ahn

    IPC分类号： H04W92/00

    CPC分类号： H04B7/0434

    摘要： A method for transmitting data by applying a precoding matrix in an open-loop multiple input multiple output (MIMO) system is disclosed. The method comprises selecting a precoding matrix and applying the selected precoding matrix to data during initial transmission; selecting a precoding matrix and applying the selected precoding matrix to data to be retransmitted; and retransmitting the data to which the precoding matrix is applied, wherein an index of the precoding matrix applied to the data is determined based on the times of current retransmission times of the data and index of the precoding matrix applied during initial transmission of the data.

    摘要翻译： 公开了一种通过在开环多输入多输出（MIMO）系统中应用预编码矩阵来发送数据的方法。 该方法包括：选择预编码矩阵，并在初始传输期间将所选择的预编码矩阵应用于数据; 选择预编码矩阵并将所选择的预编码矩阵应用于要重传的数据; 并且重新发送应用了预编码矩阵的数据，其中，基于数据的当前重传次数和在数据的初始发送期间应用的预编码矩阵的索引来确定应用于数据的预编码矩阵的索引。

    METHOD WHEREBY A CHANNEL QUALITY INDICATOR IS FED BACK BY A TERMINAL IN A MULTIPLE-ANTENNA WIRELESS COMMUNICATION SYSTEM, AND A DEVICE THEREFOR
    47.
    发明申请
    METHOD WHEREBY A CHANNEL QUALITY INDICATOR IS FED BACK BY A TERMINAL IN A MULTIPLE-ANTENNA WIRELESS COMMUNICATION SYSTEM, AND A DEVICE THEREFOR 有权
    一种通道质量指示器由多个天线无线通信系统中的终端返回的方法及其设备

    公开(公告)号：US20110243026A1

    公开(公告)日：2011-10-06

    申请号：US13139484

    申请日：2010-09-27

    申请人： Bong Hoe Kim ,  Dong Wook Roh ,  Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Ki Jun Kim ,  Joon Kui Ahn

    发明人： Bong Hoe Kim ,  Dong Wook Roh ,  Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Ki Jun Kim ,  Joon Kui Ahn

    IPC分类号： H04W24/10

    CPC分类号： H04B7/0697 ,  H04B7/0486 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0689

    摘要： Disclosed is a method whereby a channel quality indicator is fed back by a terminal in a multiple-antenna wireless communication system. More specifically, the method comprises the steps of: receiving reference signals corresponding to a plurality of data streams from a base station; using the reference signals to calculate a channel quality indicator; and transmitting the calculated channel quality indicator to the base station; and, in the step in which the channel quality indicator is calculated, the channel quality indicator is calculated under the assumption that at least one of the reference signals has been transmitted using wither the spatial-multiplexing technique or the transmit diversity technique, depending on the feedback setting of the terminal.

    摘要翻译： 公开了一种在多天线无线通信系统中由终端反馈信道质量指示符的方法。 更具体地说，该方法包括以下步骤：从基站接收与多个数据流对应的参考信号; 使用参考信号来计算信道质量指标; 以及将所计算的信道质量指示符发送到所述基站; 并且在计算信道质量指示符的步骤中，在假设已经使用空间多路复用技术或发射分集技术发送了至少一个参考信号的情况下，根据所述信道质量指示符来计算信道质量指示符 终端的反馈设置。

    Method for transmitting control information and apparatus for the same
    49.
    发明授权
    Method for transmitting control information and apparatus for the same 有权
    用于发送控制信息的方法及其装置

    公开(公告)号：US08718173B2

    公开(公告)日：2014-05-06

    申请号：US13520769

    申请日：2011-02-09

    申请人： Dae Won Lee ,  Yu Jin Noh ,  Byeong Woo Kang ,  Yong Ho Seok

    发明人： Dae Won Lee ,  Yu Jin Noh ,  Byeong Woo Kang ,  Yong Ho Seok

    IPC分类号： H04B7/02 ,  H04L1/02

    CPC分类号： H04L69/323 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/06 ,  H04L27/2626 ,  H04L27/2646 ,  H04L27/2647 ,  H04L27/28 ,  H04W84/12

    摘要： A method and apparatus for transmitting control information in a wireless communication system is provided. The method includes transmitting common control information including a multiple input multiple output (MIMO) indicator indicating single user-MIMO (SU-MIMO) or multi user-MIMO (MU-MIMO) to a receiver, generating first precoded dedicated control information by performing precoding on dedicated control information including information for the MU-MIMO by the use of a first precoding matrix, generating second precoded dedicated control information by performing precoding on the first precoded dedicated control information by the use of a second precoding matrix and transmitting the second precoded dedicated control information to the receiver.

    摘要翻译： 提供一种在无线通信系统中发送控制信息的方法和装置。 该方法包括向接收机发送包括指示单用户MIMO（SU-MIMO）或多用户MIMO（MU-MIMO）的多输入多输出（MIMO）指示符的公共控制信息，通过执行预编码产生第一预编码的专用控制信息 通过使用第一预编码矩阵来包括用于MU-MIMO的信息的专用控制信息，通过使用第二预编码矩阵对第一预编码专用控制信息执行预编码来产生第二预编码专用控制信息，并且发送第二预编码专用 控制信息给接收机。

    METHOD AND APPARATUS FOR TRANSCEIVING A MIMO PACKET IN A WIRELESS LAN SYSTEM
    50.
    发明申请
    METHOD AND APPARATUS FOR TRANSCEIVING A MIMO PACKET IN A WIRELESS LAN SYSTEM 有权
    用于在无线LAN系统中收发MIMO分组的方法和装置

    公开(公告)号：US20120218982A1

    公开(公告)日：2012-08-30

    申请号：US13505388

    申请日：2011-06-30

    申请人： Dae Won Lee ,  Byeong Woo Kang ,  Yu Jin Noh ,  Yong Ho Seok ,  Dong Wook Roh

    发明人： Dae Won Lee ,  Byeong Woo Kang ,  Yu Jin Noh ,  Yong Ho Seok ,  Dong Wook Roh

    IPC分类号： H04W84/02

    CPC分类号： H04L1/0009 ,  H04B7/0413 ,  H04B7/0452 ,  H04L1/0003 ,  H04L1/0031 ,  H04L1/0057 ,  H04L1/0059 ,  H04L1/0075 ,  H04L1/06 ,  H04L5/0048 ,  H04L25/0226 ,  H04L27/2602 ,  H04W84/12

    摘要： A method of transmitting a multiple input multiple output (MIMO) packet by a transmitter in a wireless local area network (WLAN) system is provided. The method includes: generating a MIMO packet including at least one spatial stream set transmitted respectively to at least one receiver, wherein each spatial stream set is encoded on the basis of one of two encoding schemes; transmitting first control information including a MIMO indicator and a first modulation and coding scheme (MCS) field, wherein the MIMO indicator indicates whether the MIMO packet is for single user (SU)-MIMO or multi user (MU)-MIMO, and the first MCS field indicates an MCS used for the MIMO packet if the MIMO packet is for SU-MIMO transmission, and indicates an encoding scheme applied for each of the spatial stream sets if the MIMO packet is for MU-MIMO transmission; and transmitting the MIMO packet to at least one receiver.

    摘要翻译： 提供了一种在无线局域网（WLAN）系统中由发射机发送多输入多输出（MIMO）分组的方法。 该方法包括：产生包括分别发送给至少一个接收机的至少一个空间流集合的MIMO分组，其中每个空间流集合基于两种编码方案之一进行编码; 发送包括MIMO指示符和第一调制和编码方案（MCS）字段的第一控制信息，其中所述MIMO指示符指示所述MIMO分组是针对单用户（SU）-MIMO还是多用户（MU）-MIMO，并且所述第一 如果MIMO分组用于SU-MIMO传输，则MCS字段指示用于MIMO分组的MCS，并且如果MIMO分组用于MU-MIMO传输，则指示针对每个空间流集合应用的编码方案; 以及将MIMO分组发送到至少一个接收机。