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    • 2. 发明申请
    • METHOD FOR TRANSMITTING FEEDBACK INFORMATION IN CoMP, TERMINAL FOR PERFORMING SAME, METHOD FOR GENERATING CHANNEL STATE INFORMATION AND BASE STATION APPARATUS FOR PERFORMING SAME
    • 用于发送CoMP中的反馈信息的方法,执行该方法的终端,产生信道状态信息的方法以及执行该方法的基站设备
    • WO2011046326A3
    • 2011-09-09
    • PCT/KR2010006926
    • 2010-10-11
    • LG ELECTRONICS INCKOO JA HOCHUNG JAE HOONIHM BIN CHULLEE MOON IL
    • KOO JA HOCHUNG JAE HOONIHM BIN CHULLEE MOON IL
    • H04B7/26H04B7/04
    • H04B7/024H04B7/0626H04L1/0026
    • 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 or 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. At this time, the data of the adjacent cells for performing the CoMP operation are mapped on regions except for the region on which the reference signal of the serving cell is mapped and the reference signal of the serving cell and the signals of the cells which do not perform the CoMP operation can be separated by particular tones in the region on which the reference signal of the serving cell is mapped.
    • 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参考信号来测量每个小区的信号的强度或干扰电平,以执行CoMP操作。 另外,终端可以使用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。 另外,终端可以向服务基站发送用于执行测量的CoMP操作的每个小区的信号的强度或干扰电平以及不执行CoMP操作的小区的干扰电平的总和。 此时,用于执行CoMP操作的相邻小区的数据被映射到除了服务小区的参考信号被映射的区域之外的区域以及服务小区的参考信号和执行CoMP操作的小区的信号 在服务小区的参考信号被映射到的区域中,不执行CoMP操作的区域可以被特定的音调分开。
    • 4. 发明申请
    • METHOD FOR TRANSMITTING/RECEIVING A COMP REFERENCE SIGNAL
    • 用于发送/接收COMP参考信号的方法
    • WO2011010904A3
    • 2011-06-30
    • PCT/KR2010004880
    • 2010-07-26
    • LG ELECTRONICS INCKOO JA HOHAN SEUNG HEEKO HYUN SOOCHUNG JAE HOONIHM BIN CHULLEE MOON IL
    • KOO JA HOHAN SEUNG HEEKO HYUN SOOCHUNG JAE HOONIHM BIN CHULLEE MOON IL
    • H04L27/26
    • H04L5/0035H04L5/0048H04L25/0226H04L27/2613H04W72/042
    • Disclosed is a method for transmitting a CoMP reference signal for accurate channel estimation. The CoMP reference signal to be transmitted to a terminal which performs a CoMP operation in a multi-cell environment is a cell-specific reference signal or a CoMP-zone-specific reference signal. A method for transmitting the cell-specific reference signal uses an ID of a CoMP set constituted by cells that perform a CoMP operation, or does not apply a frequency shift value while using the ID of a relevant cell, or uses an ID of a serving cell or a frequency shift value of the serving cell. The cell-specific reference signal is transmitted using a preset specific resource region. A method for transmitting the CoMP-zone-specific reference signal is configured such that the pattern of the sequence of CoMP reference signals varies in each of the CoMP zones, and the pattern can be set in advance. In addition, the reference signal is multiplexed and transmitted using an orthogonal code resource in the event the reference signal is transmitted to a plurality of terminals using the same CoMP zone.
    • 公开了一种用于发送用于准确信道估计的CoMP参考信号的方法。 要发送到在多小区环境中执行CoMP操作的终端的CoMP参考信号是小区特定参考信号或CoMP特定区域参考信号。 用于发送小区特定参考信号的方法使用由执行CoMP操作的小区构成的CoMP集合的ID,或者在使用相关小区的ID时不应用频移值,或者使用服务的ID 小区或服务小区的频移值。 使用预设的特定资源区域发送小区特定参考信号。 配置用于发送CoMP区专用参考信号的方法被配置为使得CoMP参考信号序列的模式在每个CoMP区域中变化,并且可以预先设置模式。 此外,在使用相同的CoMP区域将参考信号发送到多个终端的情况下,使用正交码资源来复用和发送参考信号。