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    • 2. 发明申请
    • METHOD FOR OPERATING A BASE STATION IN A WIRELESS RADIO NETWORK
    • 在无线无线网络中操作基站的方法
    • WO2015114039A1
    • 2015-08-06
    • PCT/EP2015/051779
    • 2015-01-29
    • SONY CORPORATIONLARSSON, Bo
    • LARSSON, BoYING, ZhinongBENGTSSON, Erik
    • H04L25/02
    • H04W28/12H04B7/0452H04B7/0456H04B7/0874H04B17/318H04B17/336H04L25/0204H04L25/0222H04L25/0226H04W4/02H04W4/026H04W4/027H04W4/029H04W72/0446
    • The present invention relates to a method for operating a base station (11) in a wireless radio network (10). The base station (11) comprises a plurality of antennas (12) for transmitting radio frequency signals between the base station (11) and a user equipment (UE1, UE2, UE3). According to the method, a transmission slot (47) is provided for receiving at each antenna (12) of a subset of the plurality of antennas (12) a training signal sent from the user equipment (UE1, UE2, UE3). For each antenna (12) a corresponding configuration parameter is determined based on the training signal received at the corresponding antenna (12) and payload information blocks (36, 37) to be transmitted between the base station (11) and the user equipment (UE1, UE2, UE3) are transmitted using the determined configuration parameters for the antennas (12). A deterioration parameter indicating a deterioration of a transmission between the base station (11) and the user equipment (UE1, UE2, UE3) due to a change in the transmission requiring adaption of the configuration parameters is determined. Based on the deterioration parameter, a timing parameter is determined for controlling when a further transmission slot (47) is to be provided for receiving at each antenna (12) a next training signal sent form the user equipment (UE1, UE2, UE3).
    • 本发明涉及一种在无线无线网络(10)中操作基站(11)的方法。 基站(11)包括用于在基站(11)和用户设备(UE1,UE2,UE3)之间发送射频信号的多个天线(12)。 根据该方法,提供传输时隙(47),用于在多个天线(12)的子集的每个天线(12)处接收从用户设备(UE1,UE2,UE3)发送的训练信号。 对于每个天线(12),基于在相应天线(12)处接收的训练信号和要在基站(11)和用户设备(UE1)之间发送的有效载荷信息块(36,37))来确定相应的配置参数 ,UE2,UE3)使用所确定的天线(12)的配置参数来发送。 确定表示基站(11)与用户设备(UE1,UE2,UE3)之间由于需要调整配置参数的传输变化而导致的传输恶化的劣化参数。 基于劣化参数,确定定时参数,用于控制何时提供另外的传输时隙(47)以在每个天线(12)处接收从用户设备(UE1,UE2,UE3)发送的下一个训练信号。
    • 3. 发明申请
    • PILOT SIGNAL RESOURCE ALLOCATION FOR A CELLULAR MIMO SYSTEM
    • 用于细胞MIMO系统的引导信号资源分配
    • WO2016150488A1
    • 2016-09-29
    • PCT/EP2015/056265
    • 2015-03-24
    • SONY CORPORATIONLARSSON, Bo
    • LARSSON, BoBENGTSSON, Erik
    • H04L5/00H04W72/04
    • H04L5/0048H04B7/0413H04L5/0035H04L5/005H04L5/0051H04L5/0073H04L5/0092H04W72/048H04W88/08
    • The present invention relates to a method for allocating resources for a transmission of pilot signals of a plurality of terminals (18-23, 24-27) of a cellular multiple input and multiple-output, MIMO, system. The cellular MIMO system (40) comprises at least a first base station (10) and a second base station (15), wherein each of the first and second base stations (10, 15) has a plurality of antennas (13) and a logic (12) which analyzes pilot signals received from a terminal (18-23, 24-27) at the plurality of antennas (13) to obtain information about radio channel properties between the terminal (18-23, 24-27) and the plurality of antennas (13). According to the method, the first base station (10) determines a first resource (1-3) used for transmission of pilot signals of a first terminal (18-23) and a usage type indicating a usage of the first resource (3). The usage type and information about the first resource (1-3) is transmitted from the first base station (10) to the second base station (15). The second base station allocates based on the usage type and the information about the first resource (1-3) a second resource (2) for a transmission of pilot signals of a second terminal (27) to obtain information about properties of a radio channel between the second terminal (27) and the plurality of antennas (13) of the second base station (15).
    • 本发明涉及一种用于分配用于蜂窝多输入多输出MIMO系统的多个终端(18-23,24-27)的导频信号的传输的资源的方法。 蜂窝MIMO系统(40)至少包括第一基站(10)和第二基站(15),其中第一和第二基站(10,15)中的每一个具有多个天线(13)和 逻辑(12),其分析从所述多个天线(13)处的终端(18-23,24-27)接收的导频信号,以获得关于所述终端(18-23,24-27)和所述终端 多个天线(13)。 根据该方法,第一基站(10)确定用于发送第一终端(18-23)的导频信号的第一资源(1-3)和指示第一资源(3)的使用的使用类型, 。 关于第一资源(1-3)的使用类型和信息从第一基站(10)发送到第二基站(15)。 第二基站根据使用类型和关于第一资源(1-3)的信息分配用于传输第二终端(27)的导频信号的第二资源(2),以获得关于无线电信道的属性的信息 在第二终端(27)和第二基站(15)的多个天线(13)之间。