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    • 4. 发明申请
    • METHOD FOR TRANSMITTING DATA BETWEEN A USER EQUIPMENT AND A BASE STATION IN A WIRELESS RADIO NETWORK
    • 在无线无线网络中传输用户设备和基站之间的数据的方法
    • WO2015113684A1
    • 2015-08-06
    • PCT/EP2014/077153
    • 2014-12-10
    • SONY CORPORATIONBENGTSSON, Erik
    • BENGTSSON, ErikZHINONG, Ying
    • H04B7/06
    • H04B7/061H04B7/04H04B7/0608H04B7/0684H04L5/0055H04L5/0057
    • The present invention relates to a method for transmitting data between a user equipment (15) and a base station (11) in a wireless radio network (10). The user equipment (15) comprises at least a first antenna (16) and a second antenna (17). The base station (11) comprises a plurality of antennas (12) for transmitting radio frequency signals between the base station (11) and the user equipment (15). According to the method, a first training signal is transmitted from the user equipment (15) to the base station (11) via the first antenna (16) at a first time period. Furthermore, a second training signal is transmitted from the user equipment (15) to the base station (11) via the second antenna (17) at a second time period different to the first time period. For each antenna (12) of the base station (11) a corresponding first configuration parameter is determined based on the first training signal and a corresponding second configuration parameter is determined based on the second training signal. Furthermore, first downlink data (DL1 ) is transmitted from the base station (11) to the user equipment using the first configuration parameters and simultaneously second downlink data (DL2) are transmitted from the base station (1 1 ) to the user equipment (15) using the second configuration parameters. Then, a first signal quality parameter of the first downlink data (DL1) is determined and a second signal quality parameter of the second downlink data (DL2) is determined. Based on the determined first and second signal quality parameters, an antenna of the first and second antennas (16, 17) of the user equipment (15) is selected for transmission of uplink data (UL1, UL2) from the user equipment (15) to the base station (11).
    • 本发明涉及一种用于在无线无线网络(10)中的用户设备(15)和基站(11)之间传输数据的方法。 用户设备(15)至少包括第一天线(16)和第二天线(17)。 基站(11)包括用于在基站(11)和用户设备(15)之间传输射频信号的多个天线(12)。 根据该方法,第一训练信号在第一时间段经由第一天线(16)从用户设备(15)发送到基站(11)。 此外,第二训练信号在与第一时间段不同的第二时间段经由第二天线(17)从用户设备(15)发送到基站(11)。 对于基站(11)的每个天线(12),基于第一训练信号确定相应的第一配置参数,并且基于第二训练信号确定相应的第二配置参数。 此外,使用第一配置参数从基站(11)向用户设备发送第一下行链路数据(DL1),同时将第二下行链路数据(DL2)从基站(11)发送到用户设备(15 )使用第二个配置参数。 然后,确定第一下行链路数据(DL1)的第一信号质量参数,并且确定第二下行链路数据(DL2)的第二信号质量参数。 基于确定的第一和第二信号质量参数,选择用户设备(15)的第一和第二天线(16,17)的天线用于从用户设备(15)传输上行链路数据(UL1,UL2) 到基站(11)。