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    • 1. 发明申请
    • FULL DUPLEX RADIO WITH ADAPTIVE RECEPTION POWER REDUCTION
    • 具有自适应接收功率的全双工无线电
    • WO2016128048A1
    • 2016-08-18
    • PCT/EP2015/052929
    • 2015-02-12
    • HUAWEI TECHNOLOGIES CO., LTD.HE, GaoningMASO, Marco
    • HE, GaoningMASO, Marco
    • H04B1/525H02J7/00H04L12/10
    • H04B1/525H02J7/0063H04B1/3805H04L12/10H04W52/18
    • A full duplex radio unit (2) comprising a transmission unit (3), an antenna (6), a reception unit (4), a circulator (5) and a power reduction unit (14) is provided. The transmission unit (3) is adapted to generate a first signal (20). The circulator (5) is adapted to provide the first signal (20) from the transmission unit (3) to the antenna (6). The antenna (6) is adapted to transmit the first signal (20) and simultaneously receive a second signal (21) using an identical frequency or frequency band. The circulator (5) is adapted to provide a third signal (22) to the power reduction unit (14), wherein the third signal (22) comprises the second signal (21) and interference generated from the first signal (20) by the antenna (6) and the circulator (5). The power reduction unit (14) is adapted to reduce the power of the third signal (22) by multiplying the third signal (22) by factor of p, wherein p is between zero and one, thereby generating a fourth signal (23). The reception unit (4) is adapted to receive the fourth signal (23).
    • 提供了包括传输单元(3),天线(6),接收单元(4),循环器(5)和功率降低单元(14)的全双工无线电单元(2)。 发送单元(3)适于产生第一信号(20)。 循环器(5)适于将第一信号(20)从传输单元(3)提供给天线(6)。 天线(6)适于发射第一信号(20)并同时使用相同的频率或频带接收第二信号(21)。 循环器(5)适于向功率降低单元(14)提供第三信号(22),其中第三信号(22)包括第二信号(21)和由第一信号(20)产生的干扰 天线(6)和环行器(5)。 功率降低单元(14)适于通过将第三信号(22)乘以因子p来减小第三信号(22)的功率,其中p在零和1之间,从而产生第四信号(23)。 接收单元(4)适于接收第四信号(23)。
    • 2. 发明申请
    • ADAPTIVE CSI SHARING MECHANISM FOR D2D ENABLED PRECODING IN MASSIVE MIMO
    • D2D自适应预编码在MIMO中的自适应CSI共享机制
    • WO2018033207A1
    • 2018-02-22
    • PCT/EP2016/069606
    • 2016-08-18
    • HUAWEI TECHNOLOGIES CO., LTD.HE, Gaoning
    • HE, GaoningCHEN, JuntingCOTTATELLUCCI, LauraYIN, HaifanGESBERT, David
    • H04J11/00H04B7/0452H04B7/06
    • H04B7/0617H04B7/0452H04B7/0626
    • The present invention relates to a user equipment device and method for adaptively sharing channel state information and setting a distributed precoding in a multi-input multi-output system over a device-to-device communication. A plurality of user equipment devices shares the channel state information statistics with each other and cooperatively design individual channel codebooks and precoder codebooks for the device-to-device channel state information exchange. A respective precoder can then be computed and selected from the respective precoder codebook in order to maximize the signal-to-leakage-and-noise ratio. Only the portion of channel state information lying in the overlapping signal subspace is shared with each user equipment device and the shared portion of channel state information is quantized up to a resolution adaptive to the global channel state information statistics and the device-to-device signaling capacity.
    • 本发明涉及一种用户设备和方法,用于在设备到设备通信中自适应地共享信道状态信息并设置多输入多输出系统中的分布式预编码。 多个用户设备装置彼此共享信道状态信息统计量并协作设计用于装置到装置信道状态信息交换的个体信道码本和预编码器码本。 然后可以从相应的预编码器码本计算和选择相应的预编码器,以便最大化信号与泄漏和噪声比。 只有位于重叠信号子空间中的信道状态信息部分与每个用户设备共享,并且信道状态信息的共享部分被量化到适合于全局信道状态信息统计量和设备到设备信令的分辨率 容量。
    • 5. 发明申请
    • METHOD FOR DETERMINING AN OPTIMAL PRECODING PARAMETER AND PRECODING DEVICE OF ADJUSTABLE COMPLEXITY
    • 用于确定最佳预编制参数的方法和可调整复杂度的预编码装置
    • WO2016173667A1
    • 2016-11-03
    • PCT/EP2015/059556
    • 2015-04-30
    • HUAWEI TECHNOLOGIES CO., LTD.ROSE, LucaMUELLER, AxelHE, Gaoning
    • ROSE, LucaMUELLER, AxelHE, Gaoning
    • H04B7/02
    • H04B7/0413
    • A method (400, 500, 600) for determining a value, J opt , of a precoding parameter, J, for precoding a sequence of transmit samples, s(t), for transmission in a multi-antenna system, the method comprising: obtaining (401) values of an objective function, u(J), based on a transmission period, T T , for transmitting the precoded sequence of transmit samples, s(t), a coherence time, T C , of a channel and a precoding performance function, f(J), and characteristics of a precoding performance function, f(J), the transmission period T T depending on a training period, T TR , for channel estimation, a precoding period, T P , for precoding the sequence of transmit samples, s(t), and the coherence time, T C , of the channel; and applying (402) an optimality criterion to the values of the objective function, u(J), with respect to the precoding parameter, J, in order to obtain the value J opt .
    • 一种用于确定用于在多天线系统中传输的用于预编码发射样本序列s(t)的预编码参数J的值Jopt的方法(400,500,600),所述方法包括:获得 (401)根据用于发送预测编码的发送样本序列的传输周期(t),s(t),信道的相干时间,TC和预编码性能函数的目标函数u(J) ,f(J)和预编码性能函数f(J)的特性,根据用于信道估计的训练周期TTR的传输周期TT,用于对发送样本序列进行预编码的预编码周期TP (t),以及信道的相干时间TC; 并且针对预编码参数J向目标函数u(J)的值应用(402)最优性准则,以获得值Jopt。