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    • 2. 发明授权
    • Method for transmitting control information and device therefor
    • 用于发送控制信息的方法及其装置
    • US09084153B2
    • 2015-07-14
    • US13992131
    • 2011-12-23
    • Hanbyul SeoDaewon LeeHyungtae KimJonghyun ParkKijun Kim
    • Hanbyul SeoDaewon LeeHyungtae KimJonghyun ParkKijun Kim
    • H04W4/00H04W24/10H04L5/00H04W48/08
    • H04W24/10H04L5/0057H04L5/0064H04W48/08
    • 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.
    • 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。