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    • 62. 发明申请
    • ANTENNA COMBINING FOR MASSIVE MIMO SCHEME
    • 天线组合用于大规模MIMO方案
    • WO2015020291A1
    • 2015-02-12
    • PCT/KR2014/001439
    • 2014-02-21
    • LG ELECTRONICS INC.
    • LEE, KilbomKANG, JiwonKO, HyunsooCHUNG, Jaehoon
    • H04B7/04
    • H04L5/0048G07F9/00G07F11/38G07F11/50H04B7/024H04B7/0404H04B7/0417H04B7/0452H04B7/0482H04B7/0691H04B7/0874H04B7/26
    • In this disclosure, methods for antenna combining to meet the pilot requirement of the massive MIMO system, and apparatuses for the same are provided. In a base station perspective of view, the base station, receiving first pilot signals transmitted via each of multiple antennas of a user equipment (UE), selects one or more reference codebooks based on channel qualities of the received first pilot signals. Then, the base station may select one or more sub-channels for each of the reference codebooks. Based on this, the base station may determine one or more virtual channels, wherein each of the virtual channels comprises one reference codebook and the one or more sub channels selected for the one reference codebook, wherein the sub-channels are selected to minimum distance between corresponding virtual channel and corresponding reference codebook. Based on this, the base station transmits antenna combining information to the UE, wherein the antenna combining information combines the multiple antennas of the UE into one or more antenna groups corresponding to the one or more virtual channels; and receive second pilot signals transmitted by the UE based on the antenna combining information.
    • 在本公开中,提供了用于天线组合以满足大规模MIMO系统的导频需求的方法,以及用于其的装置。 在基站的观点观点,基站接收通过用户设备(UE)的多个天线中的每一个发送的第一导频信号,基于所接收的第一导频信号的信道质量来选择一个或多个参考码本。 然后,基站可以为每个参考码本选择一个或多个子信道。 基于此,基站可以确定一个或多个虚拟信道,其中每个虚拟信道包括一个参考码本和为一个参考码本选择的一个或多个子信道,其中子信道被选择为 相应的虚拟通道和相应的参考码本。 基于此,基站向UE发送天线组合信息,其中天线组合信息将UE的多个天线组合成对应于一个或多个虚拟信道的一个或多个天线组; 并且基于天线组合信息接收由UE发送的第二导频信号。
    • 68. 发明申请
    • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNALS IN WIRELESS COMMUNICATION SYSTEM
    • 在无线通信系统中发送和接收信号的方法和装置
    • WO2013122433A1
    • 2013-08-22
    • PCT/KR2013/001236
    • 2013-02-18
    • LG ELECTRONICS INC.
    • KO, HyunsooKIM, JinminCHUNG, Jaehoon
    • H04J11/00H04B7/26
    • H04W52/325H04L27/2601H04W52/143H04W52/38
    • In a method for a transmission point to transmit a downlink signal to a user equipment in a wireless communication system, the method includes determining transmission power of first resource elements for data transmission of an OFDM symbol which does not include a Cell specific Reference Signal (CRS) and transmission power of second resource elements for data transmission of an OFDM symbol which includes the CRS, wherein a first parameter related to the determination of the transmission power of the first resource elements and a second parameter related to the determination of the transmission power of the second resource elements are determined by one of a first configuration and a second configuration, and wherein the first configuration and the second configuration are selectively applied according to one or more of a subframe and a transmission mode.
    • 在用于在无线通信系统中用于向用户设备发送下行链路信号的发送点的方法中,所述方法包括确定不包括小区特定参考信号(CRS)的OFDM符号的数据传输的第一资源元素的发送功率 )和用于包括CRS的OFDM符号的数据传输的第二资源元素的发送功率,其中与确定第一资源元素的发送功率相关的第一参数和与确定发送功率的第二参数有关的第二参数 第二资源元素由第一配置和第二配置之一确定,并且其中根据子帧和传输模式中的一个或多个选择性地应用第一配置和第二配置。