专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明申请

WO2011087275A2 METHOD AND DEVICE FOR CODEBOOK GENERATION AND DOWNLINK SIGNAL TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNAS 审中-公开
标题翻译：在支持多个天线的无线通信系统中用于码本产生和下行链路信号传输的方法和设备
公开(公告)号：WO2011087275A2
公开(公告)日：2011-07-21
申请号：PCT/KR2011000219
申请日：2011-01-12
申请人： LG ELECTRONICS INC , KO HYUN SOO , LEE MOON IL , CHUNG JAE HOON , IHM BIN CHUL , KANG SEUNG HYUN
发明人： KO HYUN SOO , LEE MOON IL , CHUNG JAE HOON , IHM BIN CHUL , KANG SEUNG HYUN
CPC分类号： H04B7/0456 , H04B7/0465 , H04B7/0469 , H04B7/0473 , H04B7/0478 , H04B7/0639
摘要： The present invention relates to a wireless communication system. More specifically, a method and device are disclosed for codebook generation and downlink signal transmission in a wireless communication system supporting multiple antennas. According to one embodiment of the present invention, a method in which a base station transmits a downlink signal using 8 antennas may comprise the steps of: mapping a downlink signal to N (1=N=4) layers; precoding the signal mapped to the N layers, by using a specific precoding matrix selected from a pre-stored codebook; subjecting the precoded signal to processing for OFDM symbol generation; and transmitting OFDM symbols through 8 antennas. The pre-stored codebook may comprise precoding matrices for the respective ranks corresponding to N, the pre-stored codebook may consist of 16 codebook indexes, and a portion of the precoding matrices for high ranks in the 16 codebook indexes may be generated from the precoding matrices for low ranks.
摘要翻译：本发明涉及一种无线通信系统。更具体地，公开了一种用于支持多个天线的无线通信系统中的码本生成和下行链路信号传输的方法和设备。根据本发明的一个实施例，其中基站使用8根天线发送下行链路信号的方法可以包括以下步骤：将下行链路信号映射到N（1 = N = 4）层; 通过使用从预先存储的码本中选择的特定预编码矩阵对映射到N个层的信号进行预编码; 对经预编码的信号进行用于OFDM符号生成的处理; 并通过8个天线发送OFDM符号。预先存储的码本可以包括与N对应的各个等级的预编码矩阵，预先存储的码本可以包括16个码本索引，并且16个码本索引中用于高秩的一部分预编码矩阵可以根据预编码生成低级别的矩阵。

52. 发明申请

WO2011019229A3 METHOD AND APPARATUS FOR TRANSMITTING DOWNLINK REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM THAT SUPPORTS MULTIPLE ANTENNAS 审中-公开
标题翻译：用于在支持多个天线的无线通信系统中发送下行链路参考信号的方法和装置
公开(公告)号：WO2011019229A3
公开(公告)日：2011-06-30
申请号：PCT/KR2010005320
申请日：2010-08-13
申请人： LG ELECTRONICS INC , KO HYUN SOO , HAN SEUNG HEE , CHUNG JAE HOON , IHM BIN CHUL , LEE MOON IL
发明人： KO HYUN SOO , HAN SEUNG HEE , CHUNG JAE HOON , IHM BIN CHUL , LEE MOON IL
IPC分类号： H04L27/26
CPC分类号： H04L5/0048 , H04B7/0413 , H04B7/0626 , H04B7/216 , H04J13/004 , H04L5/0016 , H04L5/0023 , H04L5/0051 , H04L5/0053 , H04L5/0057 , H04L5/0094 , H04L25/0224 , H04L27/2601 , H04L27/2613 , H04W52/325 , H04W72/02 , H04W72/04 , H04W72/085
摘要： The present invention relates to a wireless communication system, and in particular, to a method and an apparatus for transmitting a downlink reference signal in a wireless communication system that supports multiple antennas. The method for transmitting a reference signal for a maximum of eight antenna ports according to one embodiment of the present invention comprises: in a base station, mapping part of a common reference signal for a maximum of four antenna ports into a downlink subframe that includes a 1st slot and a 2nd slot; in the base station, mapping a channel status information reference signal for the maximum of eight antenna ports into the downlink subframe, according to a preset pattern; and in the base station, transmitting the downlink subframe into which the common reference signal and the channel status information reference signal have been mapped, wherein the preset pattern defines the channel status information reference signal for the maximum of eight antenna ports to be mapped onto two OFDM symbols of the data region in the downlink subframe, and wherein part of the common reference signal for the maximum of four antenna ports is limited to the common reference signal for a maximum of two antenna ports.
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，特别是涉及在支持多个天线的无线通信系统中发送下行链路参考信号的方法和装置。根据本发明的一个实施例的用于发送最多八个天线端口的参考信号的方法包括：在基站中，将最多四个天线端口的公共参考信号的一部分映射到包括第一槽和第二槽; 在基站中，根据预设模式将用于最多八个天线端口的信道状态信息参考信号映射到下行链路子帧中; 并且在基站中，发送已经映射了公共参考信号和信道状态信息参考信号的下行链路子帧，其中，预设模式定义了要映射到两个的最多八个天线端口的信道状态信息参考信号下行链路子帧中的数据区域的OFDM符号，并且其中用于最多四个天线端口的公共参考信号的一部分被限制为用于最多两个天线端口的公共参考信号。

53. 发明申请

WO2011019230A2 METHOD AND APPARATUS FOR TRANSMITTING DOWNLINK REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM THAT SUPPORTS MULTIPLE ANTENNAS 审中-公开
标题翻译：用于在支持多个天线的无线通信系统中发送下行链路参考信号的方法和设备
公开(公告)号：WO2011019230A2
公开(公告)日：2011-02-17
申请号：PCT/KR2010005321
申请日：2010-08-13
申请人： LG ELECTRONICS INC , KO HYUN SOO , IHM BIN CHUL , LEE MOON IL , CHUNG JAE HOON , HAN SEUNG HEE
发明人： KO HYUN SOO , IHM BIN CHUL , LEE MOON IL , CHUNG JAE HOON , HAN SEUNG HEE
IPC分类号： H04B7/06 , H04L27/26
CPC分类号： H04L5/0048 , H04B7/0413 , H04B7/0626 , H04B7/216 , H04J13/004 , H04L5/0016 , H04L5/0023 , H04L5/0051 , H04L5/0053 , H04L5/0057 , H04L5/0094 , H04L25/0224 , H04L27/2601 , H04L27/2613 , H04W52/325 , H04W72/02 , H04W72/04 , H04W72/085
摘要： The present invention relates to a wireless communication system, and in particular, to a method and an apparatus for transmitting a downlink reference signal in a wireless communication system that supports multiple antennas. The method for transmitting a reference signal for a maximum of eight antenna ports according to one embodiment of the present invention comprises: in a base station, mapping part of a common reference signal for a maximum of four antenna ports into a downlink subframe that includes a 1st slot and a 2nd slot and has a general cyclic prefix (CP) configuration; in the base station, mapping a channel status information reference signal for the maximum of eight antenna ports into the downlink subframe, according to a preset pattern; and in the base station, transmitting the downlink subframe into which the common reference signal and the channel status information reference signal have been mapped, wherein the preset pattern defines the channel status information reference signal for the maximum of eight antenna ports to be mapped onto two OFDM symbols of the data region in the downlink subframe, with the two OFDM symbols being spaced apart by one OFDM symbol, and wherein part of the common reference signal for the maximum of four antenna ports is limited to the common reference signal for a maximum of two antenna ports.
摘要翻译：用于在支持多个天线的无线通信系统中发送下行链路参考信号的方法和设备技术领域本发明涉及无线通信系统，并且尤其涉及用于在支持多个天线的无线通信系统中发送下行链路参考信号根据本发明的一个实施例，用于发送最多八个天线端口的参考信号的方法包括：在基站中，将用于最多四个天线端口的公共参考信号的一部分映射到包括第一个插槽和第二个插槽，并具有通用循环前缀（CP）配置; 在基站中，按照预设的模式，将最多八个天线端口的信道状态信息参考信号映射到下行子帧; 并且在基站中发送已经映射了公共参考信号和信道状态信息参考信号的下行链路子帧，其中，预设模式定义用于最多八个天线端口的信道状态信息参考信号被映射到两个下行链路子帧中的数据区域的OFDM符号，其中两个OFDM符号间隔一个OFDM符号，并且其中用于最多四个天线端口的公共参考信号的一部分被限制为公共参考信号达最大值两个天线端口。

54. 发明申请

WO2010104321A3 METHOD FOR TRANSMITTING A REFERENCE SIGNAL IN A DOWNLINK MIMO SYSTEM 审中-公开
标题翻译：在下行链路MIMO系统中发送参考信号的方法
公开(公告)号：WO2010104321A3
公开(公告)日：2010-12-16
申请号：PCT/KR2010001474
申请日：2010-03-09
申请人： LG ELECTRONICS INC , LEE MOON IL , KOO JA HO , CHUNG JAE HOON , IHM BIN CHUL , KO HYUN SOO
发明人： LEE MOON IL , KOO JA HO , CHUNG JAE HOON , IHM BIN CHUL , KO HYUN SOO
IPC分类号： H04B7/06 , H04L27/26
CPC分类号： H04B7/0413
摘要： The present invention relates to a method for transmitting a CRS (Common Reference Signal) for channel measurement in a downlink MIMO (Multi Input Multi Output) system which supports first user equipment that supports N transmitting antennas from among M transmitting antennas in total, and second user equipment that supports said M (wherein, M>N) transmitting antennas. The method comprises: a step in which a base station maps the CRS (Common Reference Signal) for said M transmitting antennas to a RE (Resource Element) of a subframe; and a step in which the base station transmits the subframe. The position of the RE to which the CRS for said M transmitting antennas is mapped in the subframe falls within the random even-numbered REs which are consecutively arranged in a frequency domain, excluding the RE to which a DRS (dedicated reference signal) for the first user equipment is mapped.
摘要翻译：本发明涉及一种用于在支持总共M个发射天线中的支持N个发射天线的第一用户设备的下行链路MIMO（多输入多输出）系统中用于信道测量的CRS（公共参考信号）的方法，并且第二支持所述M个（其中M> N个）发射天线的用户设备。该方法包括：基站将所述M个发射天线的CRS（公共参考信号）映射到子帧的RE（资源元素）的步骤; 以及基站发送该子帧的步骤。所述M个发射天线的CRS在该子帧中映射到的RE的位置落入在频域中连续排列的随机偶数RE内，除了DRS（专用基准信号）用于第一个用户设备被映射。

55. 发明申请

WO2010098593A3 METHOD AND DEVICE FOR CONTROLING TRANSMISSION POWER IN UPLINK TRANSMISSION 审中-公开
标题翻译：用于控制上行链路传输中的传输功率的方法和设备
公开(公告)号：WO2010098593A3
公开(公告)日：2010-11-25
申请号：PCT/KR2010001176
申请日：2010-02-25
申请人： LG ELECTRONICS INC , LEE MOON IL , CHUNG JAE HOON , KO HYUN SOO , IHM BIN CHUL , KWON YEONG HYEON
发明人： LEE MOON IL , CHUNG JAE HOON , KO HYUN SOO , IHM BIN CHUL , KWON YEONG HYEON
IPC分类号： H04W52/14 , H04W88/02
CPC分类号： H04W72/02 , H04B7/0404 , H04B7/0691 , H04W52/146 , H04W52/242 , H04W52/325 , H04W52/346 , H04W52/367 , H04W52/42 , H04W72/0413 , H04W72/0473
摘要： A user equipment in wireless communication system is provided. The user equipment includes an antenna unit including a plurality of antennas, a control unit for grouping the plurality of antennas into a predetermined number of antenna groups and controlling separately transmission power of each of the predetermined number of antenna groups, and a transmitting unit, connected to the control unit, for transmitting at least one of data and control information to a base station via at least one of the predetermined number of antenna groups.
摘要翻译：提供了一种无线通信系统中的用户设备。用户设备包括：包括多个天线的天线单元;控制单元，用于将多个天线分组为预定数量的天线组并且分别控制预定数量的天线组中的每一个的发射功率;以及发射单元，发送到控制单元，用于经由预定数量的天线组中的至少一个将至少一个数据和控制信息发送到基站。

56. 发明申请

WO2010090501A2 METHOD FOR TRANSMITTING COMMON REFERENCE SIGNAL IN DOWNLINK MIMO SYSTEM 审中-公开
标题翻译：用于在下行链路MIMO系统中传输公共参考信号的方法
公开(公告)号：WO2010090501A2
公开(公告)日：2010-08-12
申请号：PCT/KR2010000801
申请日：2010-02-09
申请人： LG ELECTRONICS INC , LEE MOON IL , CHUNG JAE HOON , KO HYUN SOO , IHM BIN CHUL
发明人： LEE MOON IL , CHUNG JAE HOON , KO HYUN SOO , IHM BIN CHUL
IPC分类号： H04B7/04
CPC分类号： H04L5/0048 , H04L5/0023 , H04L5/005 , H04L27/2602 , H04L27/2607
摘要： The present invention relates to a method for transmitting a reference signal (RS) for measuring a channel in a downlink MIMO (Multi Input Multi Output) system that supports: a first user device supporting N base station transmission antennas out of a total of M base station transmission antennas and a second user device supporting M (M>N) base station transmission antennas. The method comprises the steps of: grouping a certain number of subframes or a resource block (RB) to transmit a common reference signal (CRS) for M transmission antennas from the base station; and transmitting the subframes or the resource block to the second user device. The grouped subframes or the resource block are transmitted to the second user terminal in a specific time period, and in the subframes or the resource block, the common reference signal is mapped to different transmission antenna ports corresponding to a quotient which is obtained by dividing M by a specific number.
摘要翻译：本发明涉及一种在下行MIMO（多输入多输出）系统中发送用于测量信道的参考信号（RS）的方法，该系统支持：支持总共M个基站中的N个基站发射天线的第一用户设备站发射天线和支持M（M> N）个基站发射天线的第二用户设备。该方法包括以下步骤：将一定数量的子帧或资源块（RB）分组以从基站发送用于M个发送天线的公共参考信号（CRS）; 以及将所述子帧或所述资源块发送到所述第二用户设备。分组的子帧或资源块在特定时间段内被发送到第二用户终端，在子帧或资源块中，将公共参考信号映射到对应于通过划分M得到的商的不同的发送天线端口具体数字。

57. 发明申请

WO2010018922A9 APPARATUS AND METHOD FOR DATA TRANSMISSION USING TRANSMISSION DIVERSITY IN SC-FDMA SYSTEM 审中-公开
标题翻译：在SC-FDMA系统中使用传输分集进行数据传输的装置和方法
公开(公告)号：WO2010018922A9
公开(公告)日：2010-08-05
申请号：PCT/KR2009003037
申请日：2009-06-05
申请人： LG ELECTRONICS INC , KO HYUN SOO , HAN SEUNG HEE , CHUNG JAE HOON , IHM BIN CHUL , LEE MOON IL
发明人： KO HYUN SOO , HAN SEUNG HEE , CHUNG JAE HOON , IHM BIN CHUL , LEE MOON IL
IPC分类号： H04B7/04 , H04J11/00
CPC分类号： H04B7/0613 , H04B7/0604 , H04B7/0669 , H04B7/0671 , H04B7/068 , H04B7/0695 , H04B7/0697 , H04B7/12 , H04L25/03343 , H04L27/2615 , H04L27/2626
摘要： Disclosed is a data transmission apparatus for providing transmission diversity in an SC-FDMA (Single Carrier-Frequency Division Multiple Access) system. The data transmission apparatus comprises: a data processor, which performs coding and modulation on an information bit to generate a data symbol; an SC-FDMA processor, which changes a weight matrix per change-cycle, precodes the data symbol for each weight matrix being changed and performs SC-FDMA modulation for generating an SC-FDMA symbol; and an RF unit, which transmits the SC-FDMA symbol. With the application of a PVS method to the SC-FDMA system, not only can transmission diversity be provided, but PAPR can also be reduced and single-carrier properties can be maintained.
摘要翻译：公开了一种用于在SC-FDMA（单载波频分多址）系统中提供传输分集的数据传输设备。该数据传输装置包括：数据处理器，对信息比特进行编码和调制以生成数据符号; 改变每个改变周期的权重矩阵的SC-FDMA处理器，对正被改变的每个权重矩阵的数据码元进行预编码，并且执行用于生成SC-FDMA码元的SC-FDMA调制; 和发送SC-FDMA符号的RF单元。通过将PVS方法应用于SC-FDMA系统，不仅可以提供传输分集，还可以降低PAPR，并且可以保持单载波特性。

58. 发明申请

WO2010038999A3 METHOD FOR PILOT SYMBOL TRANSMISSION IN DOWNLINK MIMO SYSTEM 审中-公开
标题翻译：下行MIMO系统中的引导符号传输方法
公开(公告)号：WO2010038999A3
公开(公告)日：2010-06-24
申请号：PCT/KR2009005646
申请日：2009-10-01
申请人： LG ELECTRONICS INC , LEE MOON IL , HAN SEUNG HEE , KOO JA HO , KO HYUN SOO , CHUNG JAE HOON , IHM BIN CHUL
发明人： LEE MOON IL , HAN SEUNG HEE , KOO JA HO , KO HYUN SOO , CHUNG JAE HOON , IHM BIN CHUL
IPC分类号： H04B7/04 , H04L27/26 , H04W16/24 , H04W48/12
CPC分类号： H04W48/12 , H04B7/0413 , H04L5/0023 , H04L5/0037 , H04L5/005 , H04L5/0051
摘要： The present invention relates to a method for transmitting a pilot signal in a downlink MIMO (Multi Input Multi Output) system that supports a first UE (User Equipment) supporting N number of transmission antennae out of a total of M transmission antennae and supports a second UE supporting said M (M > N) number of transmission antennae. Said method comprises a step wherein a pilot symbol is placed as an image in the resource block (RB) region on a subframe that enables the transmission of a user-specific pilot symbol to said second UE in a base station; and a step wherein the subframe whereon said pilot symbol has been placed as an image is transmitted, wherein said RB region includes a first region and a second region, and the first region and second region each include a certain number of continuous OFDM symbols on a respective time axis, and on said first region is placed as an image a cell-specific pilot symbol with respect to the transmission antenna ports 0 to N-1 that can recognize both said first UE and said second UE, and on said second region is placed as an image a user-specific pilot symbol with respect to the transmission antenna ports 0 to M that can recognize said UE only.
摘要翻译：本发明涉及一种用于在支持在总共M个传输天线中支持N个发射天线的第一UE（用户设备）的下行链路MIMO（多输入多输出））系统中发送导频信号的方法，并且支持第二 UE支持所述M（M> N）个发射天线。所述方法包括一个步骤，其中导频符号作为图像被放置在能够在基站中向所述第二UE发送用户专用导频符号的子帧上的资源块（RB）区域中; 并且发送其中所述导频符号已被放置为图像的子帧的步骤，其中所述RB区域包括第一区域和第二区域，并且所述第一区域和第二区域各自包括一定数量的连续OFDM符号相对于能够识别所述第一UE和所述第二UE的发送天线端口0至N-1，并且在所述第一区域上将所述第一区域作为图像放置为小区特定导频符号，并且在所述第二区域作为图像被放置为相对于仅能识别所述UE的发送天线端口0至M的用户特定导频符号。

59. 发明申请

WO2010016670A3 METHOD AND APPARATUS OF TRANSMITTING DATA IN MULTIPLE RF SYSTEM 审中-公开
标题翻译：在多射频系统中传输数据的方法和装置
公开(公告)号：WO2010016670A3
公开(公告)日：2010-05-27
申请号：PCT/KR2009004135
申请日：2009-07-24
申请人： LG ELECTRONICS INC , LEE MOON IL , HAN SEUNG HEE , CHUNG JAE HOON , KO HYUN SOO , IHM BIN CHUL
发明人： LEE MOON IL , HAN SEUNG HEE , CHUNG JAE HOON , KO HYUN SOO , IHM BIN CHUL
IPC分类号： H04W88/06
CPC分类号： H04L5/0055 , H04L5/0007 , H04L5/001 , H04L5/0035 , H04L5/0039 , H04L5/0041 , H04L5/0044 , H04L5/1469 , H04L27/2636
摘要： A method and an apparatus of transmitting data in a multi-radio frequency (RF) system are provided. The method includes transmitting first data through a first physical channel to a first base station (BS), transmitting second data through a second physical channel to a second BS, wherein the first data and the second data are simultaneously transmitted.
摘要翻译：提供了一种在多射频（RF）系统中发送数据的方法和装置。该方法包括通过第一物理信道将第一数据发送到第一基站（BS），通过第二物理信道将第二数据发送到第二BS，其中第一数据和第二数据被同时发送。

60. 发明申请

WO2011065763A2 METHOD FOR TRANSMITTING PRECODING MATRIX INFORMATION AND USER DEVICE, AND METHOD FOR TRANSMITTING DATA TO PLURALITY OF USER DEVICES AND BASE STATION 审中-公开
标题翻译：用于发送预编码矩阵信息的方法和用户设备，以及用于将数据发送到多个用户设备和基站的方法
公开(公告)号：WO2011065763A2
公开(公告)日：2011-06-03
申请号：PCT/KR2010008397
申请日：2010-11-25
申请人： LG ELECTRONICS INC , KOO JA HO , LEE WOOK BONG , CHUNG JAE HOON , IHM BIN CHUL , LEE MOON IL
发明人： KOO JA HO , LEE WOOK BONG , CHUNG JAE HOON , IHM BIN CHUL , LEE MOON IL
IPC分类号： H04B7/04
CPC分类号： H04B7/0434 , H04B7/0617 , H04B7/0639
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 a plurality of 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 a precoding matrix information transmission step of transmitting, to the base station, first precoding matrix information that indicates the first precoding matrix and second precoding matrix information that indicates 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装置技术领域本发明涉及预编码矩阵信息传输方法和用户装置，并且提供一种用于通过接收从一个基站传输的信号的多个用户装置中的特定用户装置传输预编码矩阵信息的方法。该方法包括以下步骤：从预定码本确定作为用于在信号接收期间针对特定用户设备的预编码矩阵的第一预编码矩阵，以及确定要被多路复用的其他用户设备的一个或多个第二预编码矩阵在具有所述特定用户设备的预定资源区域中，其中所述一个或多个第二预编码矩阵在与所述第一预编码矩阵链接的所述预定码本的码本子集内被确定; 以及预编码矩阵信息发送步骤，向基站发送指示第一预编码矩阵的第一预编码矩阵信息和指示一个或多个第二预编码矩阵的第二预编码矩阵信息。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式