Method and device for transmitting a downlink reference signal in a wireless communication system supporting multiple antennas
    151.
    发明授权
    Method and device for transmitting a downlink reference signal in a wireless communication system supporting multiple antennas 有权
    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:US08675589B2

    公开(公告)日:2014-03-18

    申请号:US13386022

    申请日:2010-08-13

    IPC分类号: H04W4/00

    摘要: A method for a base station to transmit a channel-state-information reference signal for up to 8 antenna ports includes mapping, in accordance with a predetermined pattern, the channel-state-information reference signal for up to 8 antenna ports onto a data region of a downlink subframe having an extended cyclic prefix (CP) structure, and transmitting the downlink subframe onto which the channel-state-information reference signal for up to 8 antenna ports has been mapped; and, in the predetermined pattern, the channel-state-information reference signal for up to 8 antenna ports in mapped onto 2 OFDM symbols on the data region of the downlink subframe, with a definition for mapping onto at least one of 4 subcarrier wave positions in each of the 2 OFDM symbols, and the 4 subcarrier wave positions defined in the predetermined pattern can be disposed at 3 subcarrier wave intervals.

    摘要翻译: 用于基站发送用于多达8个天线端口的信道状态信息参考信号的方法包括:根据预定模式将多达8个天线端口的信道状态信息参考信号映射到数据区域 具有扩展循环前缀(CP)结构的下行链路子帧,并且发送用于多达8个天线端口的信道状态信息参考信号已被映射到的下行链路子帧; 并且在预定模式中,在下行链路子帧的数据区域上映射到2个OFDM符号上的多达8个天线端口的信道状态信息参考信号,具有用于映射到4个子载波波位置中的至少一个的定义 在2个OFDM符号中的每一个中,以预定模式定义的4个子载波波位置可以以3个子载波波间隔设置。

    Apparatus and method for transmitting data using transmission diversity in wireless communication system
    152.
    发明授权
    Apparatus and method for transmitting data using transmission diversity in wireless communication system 失效
    在无线通信系统中使用发射分集发送数据的装置和方法

    公开(公告)号:US08594235B2

    公开(公告)日:2013-11-26

    申请号:US13000958

    申请日:2009-06-05

    IPC分类号: H04L27/04

    摘要: An apparatus for transmitting data in a wireless communication system is provided. The apparatus includes a data processor for generating modulation symbols by coding information bits and by constellation-mapping the coded information bits, a transmission (TX) processor for generating transmission symbols by applying any one of first and second transmission diversity schemes to the modulation symbols and for configuring a subframe including the transmission symbols, and a plurality of antennas for transmitting the subframe. The subframe comprises a plurality of slots and has a varying frequency band every slot by frequency hopping.

    摘要翻译: 提供一种用于在无线通信系统中发送数据的装置。 该装置包括:数据处理器,用于通过对信息比特进行编码并通过对编码信息比特进行星座映射来生成调制符号;传输(TX)处理器,用于通过将第一和第二传输分集方案中的任何一个应用于调制符号来产生传输符号, 用于配置包括发送符号的子帧以及用于发送子帧的多个天线。 子帧包括多个时隙,并且通过跳频在每个时隙具有变化的频带。

    METHOD AND APPARATUS FOR PROVIDING DOWNLINK CONTROL INFORMATION IN AN MIMO WIRELESS COMMUNICATION SYSTEM
    153.
    发明申请
    METHOD AND APPARATUS FOR PROVIDING DOWNLINK CONTROL INFORMATION IN AN MIMO WIRELESS COMMUNICATION SYSTEM 有权
    在MIMO无线通信系统中提供下行链路控制信息的方法和装置

    公开(公告)号:US20130021991A1

    公开(公告)日:2013-01-24

    申请号:US13522270

    申请日:2011-01-24

    IPC分类号: H04W72/04

    摘要: The present invention relates to a method in which a user equipment receives a downlink signal from a base station in a wireless communication system that supports downlink MIMO transmission according to one embodiment of the present invention comprises: receiving downlink control information that includes information indicative of the number of layers (N, 1≦N≦8) where one or two enabled code words of the downlink MIMO transmission are mapped; on the basis of the downlink control information, receiving downlink data transmitted over the respective N layers and a UE-specific reference signal for each of the N layers; and decoding the downlink data on the basis of the UE-specific reference signals, wherein the information indicative of the number of layers can further include information on a code for identifying the UE-specific reference signals.

    摘要翻译: 本发明涉及根据本发明的一个实施例的用户设备从支持下行MIMO传输的无线通信系统中的基站接收下行链路信号的方法,包括:接收下行链路控制信息,该信息包括指示 映射下行链路MIMO传输的一个或两个使能码字的层数(N,1≦̸ N≦̸ 8) 基于下行链路控制信息,接收通过各个N个层发送的下行链路数据和N个层中的每一个的UE专用参考信号; 以及基于所述UE特定参考信号对所述下行链路数据进行解码,其中指示所述层数的信息还可以包括关于用于识别所述UE特定参考信号的代码的信息。

    Method for transmitting data in multiple antenna system
    154.
    发明授权
    Method for transmitting data in multiple antenna system 有权
    用于在多天线系统中传输数据的方法

    公开(公告)号:US08335194B2

    公开(公告)日:2012-12-18

    申请号:US12673915

    申请日:2008-08-20

    IPC分类号: H04W4/00

    CPC分类号: H04B7/0452 H04B7/0665

    摘要: A method of transmitting data in a multiple antenna system includes transmitting a precoding matrix index (PMI) of a first user through a control channel for the first user, and transmitting the PMI of the first user and a PMI of a second user through a data channel for the first user. Effective data decoding is possible regardless of whether radio resources to be allocated to multiple users are partially or entirely allocated to the users.

    摘要翻译: 一种在多天线系统中发送数据的方法包括通过第一用户的控制信道发送第一用户的预编码矩阵索引(PMI),并通过数据发送第一用户的PMI和第二用户的PMI 频道为第一个用户。 无论分配给多个用户的无线电资源是否部分或完全分配给用户,有效的数据解码是可能的。

    Method and apparatus for transmitting reference signal, setting reference signal transmission pattern, and setting and allocating resource block
    156.
    发明授权
    Method and apparatus for transmitting reference signal, setting reference signal transmission pattern, and setting and allocating resource block 有权
    用于发送参考信号,设置参考信号传输模式以及设置和分配资源块的方法和装置

    公开(公告)号:US08254329B2

    公开(公告)日:2012-08-28

    申请号:US12448170

    申请日:2007-12-12

    IPC分类号: H04W4/00

    摘要: A method for transmitting a reference signal, a method for establishing a reference-signal transmission pattern, and a method for establishing a block are disclosed. The reference-signal density is adjusted according to the request degree of the channel estimation performance, and then the reference signal is transmitted to a destination. As a result, the apparatus prevents prevent resources from being unnecessarily wasted, and acquires a high channel estimation performance as necessary, resulting in an increased production yield of a system.

    摘要翻译: 公开了用于发送参考信号的方法,用于建立参考信号传输模式的方法以及用于建立块的方法。 参考信号密度根据信道估计性能的请求度进行调整,然后将参考信号发送到目的地。 结果,该装置防止资源不必要地浪费,并且根据需要获得高信道估计性能,导致系统的生产成本提高。

    METHOD FOR TRANSCEIVING A DOWNLINK REFERENCE SIGNAL, AND BASE STATION AND USER EQUIPMENT USING SAME
    157.
    发明申请
    METHOD FOR TRANSCEIVING A DOWNLINK REFERENCE SIGNAL, AND BASE STATION AND USER EQUIPMENT USING SAME 有权
    用于收发下行链路参考信号的方法,以及使用该基站的基站和用户设备

    公开(公告)号:US20120201187A1

    公开(公告)日:2012-08-09

    申请号:US13502109

    申请日:2010-10-13

    IPC分类号: H04W4/00

    摘要: The present invention relates to a wireless communication system. In detail, the present invention relates to a technique for transmitting a downlink reference signal in a wireless communication system in which one base station simultaneously transmits signals to a plurality of user equipment, and a control signal containing information on the allocation of a reference signal of specific user equipment and layer information for specifying the transport layer of the specific user equipment is transmitted to the specific user equipment, wherein the information on the allocation of the reference signal contains information for indicating whether or not a reference signal pattern, other than the reference signal pattern in which the reference signal of the specific user equipment is multiplexed, is transmitted in a predetermined resource region.

    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。 具体地说,本发明涉及一种用于在一个基站同时向多个用户设备发送信号的无线通信系统中发送下行链路参考信号的技术,以及控制信号,该控制信号包含有关基站的参考信号的分配的信息 用于指定特定用户设备的传输层的特定用户设备和层信息被发送到特定用户设备,其中关于参考信号的分配的信息包含用于指示除参考信号之外的参考信号模式 特定用户设备的参考信号被复用的信号模式在预定的资源区域中发送。

    METHOD FOR TRANSCEIVING REFERENCE SIGNAL IN COMP OPERATION IN WIRELESS COMMUNICATION SYSTEM THAT SUPPORTS AN MU-MIMO SCHEME
    158.
    发明申请
    METHOD FOR TRANSCEIVING REFERENCE SIGNAL IN COMP OPERATION IN WIRELESS COMMUNICATION SYSTEM THAT SUPPORTS AN MU-MIMO SCHEME 有权
    支持MU-MIMO方案的无线通信系统中的运算中的参考信号收发方法

    公开(公告)号:US20120170679A1

    公开(公告)日:2012-07-05

    申请号:US13394981

    申请日:2010-09-09

    IPC分类号: H04L27/00 H04L27/06

    摘要: Disclosed is a method for efficiently transceiving information required for implementing a multi-cell-based CoMP MU-MIMO scheme. For this purpose, a base station which performs CoMP operation generates: (A) a reference signal sequence on the basis of a specific base station; or generates (B) the same reference signal sequence on the basis of a CoMP ID, and transmits the generated sequence to user equipment. To support an MU-MIMO scheme and to perform a joint processing method, the base station must additionally transmit CoMP reference signal sequence information, frequency shift information, etc. to the user equipment in said (A) case, and generates a CoMP reference signal on the basis of a preset CoMP set ID and transmits the generated signal to the user equipment in said (B) case.

    摘要翻译: 公开了一种用于有效地收发实现基于多小区的CoMP MU-MIMO方案所需的信息的方法。 为此,执行CoMP操作的基站产生:(A)基于特定基站的参考信号序列; 或者基于CoMP ID生成(B)相同的参考信号序列,并将生成的序列发送给用户设备。 为了支持MU-MIMO方案并执行联合处理方法,基站在所述(A)情况下必须另外向用户设备发送CoMP参考信号序列信息,频移信息等,并产生CoMP参考信号 基于预设的CoMP集合ID,并将生成的信号发送到所述(B)情况下的用户设备。