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    • 54. 发明申请
    • METHOD AND APPARATUS FOR INTERFERENCE MITIGATION IN WIRELESS COMMUNICATION SYSTEM INCLUDING HETEROGENEOUS NETWORK
    • 无线通信系统干扰减轻的方法与装置,包括异构网络
    • WO2013005984A3
    • 2013-04-04
    • PCT/KR2012005303
    • 2012-07-04
    • LG ELECTRONICS INCPARK SUNG HOCHUN JIN YOUNGKIM KI TAEKIM SU NAMKANG JI WONIHM BIN CHUL
    • PARK SUNG HOCHUN JIN YOUNGKIM KI TAEKIM SU NAMKANG JI WONIHM BIN CHUL
    • H04B7/02H04B15/00
    • H04L5/0073H04B17/327H04W52/244
    • Provided are a method and apparatus for mitigating the interference of an interfering base station (eNB) in a heterogeneous network. The method comprises the steps of: transmitting threshold value information to an interfered eNB; receiving second feedback information, which takes into account interference caused by the interfering eNB to an interfered user equipment (UE) selected by the interfered eNB, from the interfered UE on the basis of the threshold value information and first feedback information; selecting a precoding matrix for minimizing interference to the interfered UE on the basis of the second feedback information; and applying the precoding matrix and transmitting a signal to an UE, to which the interfering eNB provides service, wherein the first feedback information is information which the interfered UE obtains by measuring a reference signal of the interfering eNB and a reference signal of the interfered eNB and comparing the reception power thereof, and the interfered UE selected by the interfered eNB is a UE, the first feedback information of which satisfies a comparison condition with the threshold value, among UEs to which the interfered eNB provides service.
    • 提供了一种用于减轻异构网络中的干扰基站(eNB)的干扰的方法和装置。 该方法包括以下步骤:向被干扰的eNB发送阈值信息; 基于所述阈值信息和所述第一反馈信息,从所述受干扰的UE接收到考虑了所述干扰eNB对被干扰eNB所选择的被干扰用户设备(UE)的干扰的第二反馈信息; 基于所述第二反馈信息选择用于最小化对被干扰UE的干扰的预编码矩阵; 以及应用所述预编码矩阵并向所述干扰eNB提供服务的UE发送信号,其中,所述第一反馈信息是受干扰的eNB通过测量所述干扰eNB的参考信号和被干扰eNB的参考信号而获得的信息 并且比较其接收功率,被被干扰eNB所选择的受干扰的UE是被干扰eNB提供服务的UE中的UE的第一反馈信息满足阈值的比较条件。