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    • 2. 发明申请
    • OPERATING A CELLULAR MIMO SYSTEM
    • 操作蜂窝MIMO系统
    • WO2017097360A1
    • 2017-06-15
    • PCT/EP2015/079231
    • 2015-12-10
    • SONY MOBILE COMMUNICATIONS INC.SONY MOBILE COMMUNICATIONS AB
    • BENGTSSON, ErikYING, Zhinong
    • H04B7/04H04B7/06H04L25/02H04B7/08
    • H04L5/0048H04B7/0404H04B7/0413H04B7/0613H04B7/0619H04B7/0862H04L25/0224
    • The present application relates to a method for operating a cellular multiple input and multiple output system comprising a first device (20) having at least two antenna arrays (22, 23) and second device having at least two antennas (32, 33). According to the method, a same uplink pilot signal is broadcasted from each antenna (32, 33) of the second device (30) and the same uplink pilot signal is received at each antenna array (22, 23) of the first device (20). At the first device (20), first device transmission parameters are determined for each antenna array (22, 23) depending on the received same uplink pilot signal. Downlink pilot signals are sent via antenna array (22, 23) using the determined first device transmission parameters and the downlink pilot signals are received at each antenna (32, 33) of the second device (30). This second device determines second device receiving parameters for each antenna (32, 33) depending on the received downlink pilot signals.
    • 本申请涉及一种用于操作蜂窝多输入多输出系统的方法,该蜂窝多输入多输出系统包括具有至少两个天线阵列(22,23)的第一设备(20)和具有至少两个天线阵列 天线(32,33)。 根据该方法,从第二设备(30)的每个天线(32,33)广播相同的上行链路导频信号,并且在第一设备(20)的每个天线阵列(22,23)处接收相同的上行链路导频信号 )。 在第一设备(20)处,根据接收到的相同上行链路导频信号为每个天线阵列(22,23)确定第一设备传输参数。 使用确定的第一装置传输参数经由天线阵列(22,23)发送下行链路导频信号,并且在第二装置(30)的每个天线(32,33)处接收下行链路导频信号。 该第二设备根据收到的下行导频信号确定每个天线(32,33)的第二设备接收参数。
    • 8. 发明申请
    • OPERATING A WIRELESS COMMUNICATION SYSTEM
    • 操作无线通信系统
    • WO2017157450A1
    • 2017-09-21
    • PCT/EP2016/055874
    • 2016-03-17
    • SONY MOBILE COMMUNICATIONS INC.SONY MOBILE COMMUNICATIONS AB
    • BENGTSSON, ErikYING, Zhinong
    • H04B7/06H04B7/08H01Q21/24H04B7/10
    • OPERATING A WIRELESS COMMUNICATION SYSTEM The present application relates to a method for operating a wireless communi- cation system (10). The communication system (10) comprises a first communi- cation device (20) having an antenna arrangement (22) configured to adjust the polarisation of a radio frequency signal to be transmitted via the antenna ar- rangement (22), and a second communication device (30). According to the method, a first downlink pilot signal (301) having a first polarisation is sent via the antenna arrangement (22) of the first communication device (20). A second downlink pilot signal (302) having a second polarisation is sent via the antenna arrangement (22). The first and second downlink pilot signals are orthogonal to each otherand the first and second polarisations are different. The first and second downlink pilot signals are received at an antenna arrangement (32, 33) of the second communication device (30). A combined power of the first and second received downlink pilot signals (301, 302) isoptimised by varying a combining information. The combined power is a function of the first received downlink pilot signal (301), the second received downlink pilot signal (302), and the combining information. The antenna arrangement (22) of the first communi- cation device (20) is adjusted based on the combining information. (Fig.2)
    • 操作无线通信系统本申请涉及用于操作无线通信系统(10)的方法。 通信系统(10)包括第一通信设备(20)和第二通信设备(20),该第一通信设备具有被配置为调整要经由天线设备(22)发送的射频信号的极化的天线装置(22) 装置(30)。 根据该方法,具有第一极化的第一下行导频信号(301)经由第一通信设备(20)的天线装置(22)被发送。 具有第二极化的第二下行导频信号(302)经由天线装置(22)被发送。 第一和第二下行导频信号彼此正交,第一和第二极化不同。 第一和第二下行链路导频信号在第二通信设备(30)的天线装置(32,33)处被接收。 通过改变组合信息来优化第一和第二收到下行链路导频信号(301,302)的组合功率。 组合功率是第一收到下行链路导频信号(301),第二收到下行链路导频信号(302)和组合信息的函数。 基于组合信息调整第一通信设备(20)的天线装置(22)。 (图2)