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    • 55. 发明申请
    • Low Overhead Feedback Scheme for Codebook Based Closed-Loop Mimo
    • 基于码本的闭环Mimo的低架空反馈方案
    • US20110299622A1
    • 2011-12-08
    • US13141207
    • 2010-02-09
    • Xu JianJa Ho KooBin Chul IhmWook Bong Lee
    • Xu JianJa Ho KooBin Chul IhmWook Bong Lee
    • H04L27/00
    • H04B7/0621H04B7/0663
    • The present invention relates to a Multi-Input Multi-Output (MIMO) communication system and more particularly, to a method for Correlation matrix feedback in a multi-cell wireless communication system. A method for transmitting correlation matrix feedback information of a mobile station considering adaptive feedback mode in a multi-cell wireless communication system according to one embodiment of the present invention comprises measuring a channel between the mobile station and a serving base station using a signal received from the serving base station; determining a first matrix indicating channel state information and a first precoder using the measured channel; generating a second matrix using a Fourier matrix and the first matrix; and transmitting feedback information including at least one of information of the first precoder and diagonal values of the second matrix.
    • 多输入多输出(MIMO)通信系统技术领域本发明涉及多输入多输出(MIMO)通信系统,更具体地说,涉及一种用于多小区无线通信系统中的相关矩阵反馈的方法。 在根据本发明的一个实施例的在多小区无线通信系统中考虑自适应反馈模式的移动站的相关矩阵反馈信息的传输方法包括:使用接收到的信号来测量移动站与服务基站之间的信道, 服务基站; 使用所测量的信道确定指示信道状态信息的第一矩阵和第一预编码器; 使用傅立叶矩阵和所述第一矩阵生成第二矩阵; 以及发送包括第一预编码器的信息和第二矩阵的对角线值中的至少一个的反馈信息。
    • 56. 发明申请
    • Method for Receiving a Signal at a User Equipment (UE) in a Wireless Communication System
    • 用于在无线通信系统中的用户设备(UE)处接收信号的方法
    • US20110274047A1
    • 2011-11-10
    • US13143845
    • 2010-03-18
    • Yeong Hyeon KwonJa Ho KooJae Hoon ChungSeung Hee Han
    • Yeong Hyeon KwonJa Ho KooJae Hoon ChungSeung Hee Han
    • H04W4/00
    • H04W52/40H04W52/16
    • A method of receiving a signal at a user equipment (UE) from at least two cells in wireless communication system is disclosed. Receiving module may receive data and at least one reference signal from a CoMP (Coordinated Multi-Point) set including at least two cells. Decoding module may decode the received data and the received at least one reference signal. In this case, a power level of the data is same as a power level of the at least one reference signal, or a power ratio between the data and the at least one reference signal is a scaled value. Also, the power level of the data and the at least one reference signal are same for each of the at least two cells. A power ratio between the data and the at least one reference signal is a same scaled value for each of the at least two cells.
    • 公开了一种从无线通信系统中的至少两个小区在用户设备(UE)接收信号的方法。 接收模块可以从包括至少两个小区的CoMP(协调多点)集合接收数据和至少一个参考信号。 解码模块可以解码所接收的数据和所接收的至少一个参考信号。 在这种情况下,数据的功率电平与至少一个参考信号的功率电平相同,或者数据与至少一个参考信号之间的功率比是缩放值。 此外,对于至少两个小区中的每一个,数据的功率电平和至少一个参考信号是相同的。 所述数据和所述至少一个参考信号之间的功率比对于所述至少两个单元中的每个单元具有相同的缩放值。
    • 58. 发明申请
    • APPARATUS AND METHOD FOR TRANSMITTING SIGNAL IN WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统信号发送装置及方法
    • US20110268072A1
    • 2011-11-03
    • US13143725
    • 2010-01-29
    • Moon Il LeeWook Bong LeeJa Ho KooHyun Soo KoJae Hoon ChungBin Chul Ihm
    • Moon Il LeeWook Bong LeeJa Ho KooHyun Soo KoJae Hoon ChungBin Chul Ihm
    • H04W72/04
    • H04B7/0452H04B7/068
    • An apparatus and method for transmitting signals in a wireless communication system are provided. The apparatus includes N antennas, a processor coupled to the N antennas and configured to generate N transmit signals by performing precoding on R spatial streams for R spatial layers, and to transmit the N transmit signals respectively through the N antennas, wherein an information stream, a reference signal sequence, and a reference signal pattern are allocated to each of the R spatial layers, and the reference signal pattern is a time-frequency resource pattern used for transmission of the reference signal sequence, wherein each of the R spatial streams corresponds to one spatial layer, and wherein each of the R spatial streams is generated based on the information stream, reference signal sequence, and reference signal pattern allocated to a corresponding spatial layer.
    • 提供了一种用于在无线通信系统中发送信号的装置和方法。 该装置包括N个天线,耦合到N个天线的处理器,并被配置为通过对R个空间层的R个空间流执行预编码并且分别通过N个天线发送N个发射信号来产生N个发射信号,其中信息流, 参考信号序列和参考信号模式被分配给每个R空间层,并且参考信号模式是用于参考信号序列的传输的时间 - 频率资源模式,其中每个R空间流对应于 一个空间层,并且其中基于分配给对应空间层的信息流,参考信号序列和参考信号模式来生成每个R空间流。