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    • 21. 发明申请
    • Method and Apparatus for Re-Interpreting Channel State Information
    • 重新解读渠道状态信息的方法与装置
    • US20150181567A1
    • 2015-06-25
    • US14384497
    • 2012-03-23
    • Peter SkovTimo Erkki LunttilaFrank FrederiksenKlaus Hugl
    • Peter SkovTimo Erkki LunttilaFrank FrederiksenKlaus Hugl
    • H04W72/04H04W24/10H04B7/06
    • H04W72/042H04B7/0626H04B7/0632H04L1/0003H04L1/0009H04L1/0026H04W24/10
    • A method and apparatus for re-interpreting channel state information are provided, which relate generally to wireless communications, and more specifically are directed toward the use of channel state information/channel quality indications in a wireless network. The apparatus includes at least one processor and at least one memory including computer program code. The at least one memory and the computer program code are configured, with the at least one processor, to cause the apparatus to perform at least the following: receive from a user equipment correspondence information that relates channel states of a first set to channel states of a second set (302); receive from the user equipment an indication of at least one channel state of the first set which was measured on a downlink (304); use the received indication of at least one channel state of the first set and the received correspondence information to determine a channel state from the second set (306); and adapt a transmission on a downlink channel for the user equipment using the determined channel state (308).
    • 提供了一种用于重新解释信道状态信息的方法和装置,其一般涉及无线通信,更具体地涉及在无线网络中使用信道状态信息/信道质量指示。 该装置包括至少一个处理器和包括计算机程序代码的至少一个存储器。 所述至少一个存储器和所述计算机程序代码与所述至少一个处理器配置使得所述装置至少执行以下操作:从用户接收设备对应信息,所述对应信息将第一组的信道状态与信道状态 第二组(302); 从用户设备接收在下行链路上测量的第一组的至少一个信道状态的指示(304); 使用接收到的第一组的信道状态的指示和所接收的对应信息来确定来自第二组的信道状态(306); 以及使用所确定的信道状态来适应所述用户设备的下行链路信道上的传输(308)。
    • 25. 发明申请
    • Multi-Layer Beamforming with Partial Channel State Information
    • 具有部分信道状态信息的多层波束成形
    • US20130243110A1
    • 2013-09-19
    • US13988524
    • 2010-11-22
    • Peter SkovLilei Wang
    • Peter SkovLilei Wang
    • H04B7/04
    • H04B7/0408H04B7/0469H04B7/0486H04B7/0691H04L5/0023
    • A method of determining precoding information for beamforming between a sender and a receiver the method includes determining a first precoding vector of a first signal layer based on partial channel state information of a channel between the sender and the receiver. The method also includes determining a first guess vector based on long-term characteristics of the channel between the sender and the receiver. A grouping of antennas of the sender is defined and a phase shift value for each group of antennas is specified. The method further includes determining a second precoding vector in the sender of a second signal layer by multiplying each element in the first guess vector with the phase shift value specified for the group of antennas associated with said element in the first guess vector.
    • 一种确定发送方和接收方之间的波束成形的预编码信息的方法,该方法包括基于发送方和接收方之间的信道的部分信道状态信息确定第一信号层的第一预编码向量。 该方法还包括基于发送器和接收器之间的信道的长期特性来确定第一猜测向量。 定义发送器的一组天线,并且指定每组天线的相移值。 该方法还包括通过将第一猜测向量中的每个元素与在第一猜测向量中与所述元素相关联的天线组指定的相移值相乘来确定第二信号层的发送器中的第二预编码向量。