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    • 7. 发明申请
    • A METHOD FOR REDUCING ENERGY CONSUMPTION IN A BASE STATION OF A WIRELESS NETWORK
    • 一种降低无线网络基站能源消耗的方法
    • WO2012097500A1
    • 2012-07-26
    • PCT/CN2011/070349
    • 2011-01-18
    • HUAWEI TECHNOLOGIES CO., LTD.ZHOU, ChanSCHELLMANN, MalteSCHULZ, Egon
    • ZHOU, ChanSCHELLMANN, MalteSCHULZ, Egon
    • H04W52/02H04W88/08
    • H04W36/165Y02D70/00Y02D70/1224Y02D70/1242Y02D70/1262Y02D70/142Y02D70/144Y02D70/146Y02D70/162
    • The present invention relates to a method for reducing energy consumption in a base station (2) of a wireless network (1) comprising the steps of handing over (S1) terminals (3) assigned to said base station (2-0) to at least one neighbouring base station (2-1) and switching the base station (2-0) from an active operation mode into a sleep mode if the respective base station (2-0) is idle for a predetermined time period ( Δt IDLE); selecting (S2) said sleeping base station (2-0) by at least one terminal (3) being assigned to a neighbouring base station (2-1) and being located in a service region of said sleeping base station (2-0) according to channel state information (CSI) of said terminal (3); and reactivating the selected sleeping base station (2-0) by the neighbouring base station (2-1) to which the selecting terminal (3) is currently assigned by sending a wake-up signal from said neighbouring base station (2-1) to said selected sleeping base station (2-0).
    • 本发明涉及一种用于降低无线网络(1)的基站(2)中的能量消耗的方法,包括以下步骤:将分配给所述基站(2-0)的(S1)终端(3)移交到 至少一个相邻基站(2-1),并且如果各个基站(2-0)空闲预定时间段(ΔtIDLE),则将基站(2-0)从有效操作模式切换到睡眠模式, ; 通过被分配给相邻基站(2-1)的至少一个终端(3)来选择(S2)所述睡眠基站(2-0),并且位于所述睡眠基站(2-0)的服务区域中, 根据所述终端(3)的信道状态信息(CSI); 并且通过从所述相邻基站(2-1)发送唤醒信号,通过当前分配了所述选择终端(3)的相邻基站(2-1)来重新激活所选择的睡眠基站(2-0) 到所述选择的睡眠基站(2-0)。
    • 10. 发明申请
    • A TRANSMITTER FOR TRANSMITTING AND A RECEIVER FOR RECEIVING A PLURALITY OF MULTICARRIER MODULATION SIGNALS
    • 用于接收多个多元调制信号的发送器和接收器
    • WO2017167386A1
    • 2017-10-05
    • PCT/EP2016/057139
    • 2016-03-31
    • HUAWEI TECHNOLOGIES CO., LTD.GONG, XitaoWANG, QiZHAO, ZhaoSCHELLMANN, Malte
    • GONG, XitaoWANG, QiZHAO, ZhaoSCHELLMANN, Malte
    • H04L27/26
    • H04L27/2634H04L27/2628H04L27/264H04L27/265
    • The invention relates to a transmitter (101 ) for transmitting a plurality of MCM signals over a communication channel (150) to a receiver (121), wherein each MCM signal comprises a plurality of subcarriers, wherein two subsequent subcarriers of the plurality of subcarriers define an intercarrier frequency spacing in the frequency domain, wherein the transmitter (101) comprises: a sampler (103) configured to sample each MCM signal at a plurality of sampling points in the frequency domain, wherein two subsequent sampling points of the plurality of sampling points define a sampling point frequency spacing in the frequency domain and wherein the ratio between the intercarrier frequency spacing and the sampling point frequency spacing is defined by an oversampling factor K, wherein the oversampling factor K is greater than 1, a precoder (105) configured to precode the plurality of MCM signals per sampling point of the plurality of sampling points in the frequency domain on the basis of a precoding matrix defined per sampling point of the plurality of sampling points in the frequency domain, and a plurality of transmit antennas (107) configured to transmit the plurality of precoded MCM signals over the communication channel (150) to the receiver (121).
    • 本发明涉及用于通过通信信道(150)向接收机(121)发送多个MCM信号的发射机(101),其中每个MCM信号包括多个子载波,其中两个 所述多个副载波中的后续副载波定义了频域中的载波间频率间隔,其中所述发射机(101)包括:采样器(103),其被配置为在频域中的多个采样点处对每个MCM信号进行采样,其中两个后续 多个采样点的采样点定义频域中的采样点频率间隔,并且其中载波间频率间隔与采样点频率间隔之间的比率由过采样因子K定义,其中过采样因子K大于1 ,预编码器(105),被配置为在所述频域中的所述多个采样点中的每个采样点对所述多个MCM信号进行预编码 (150)中的多个采样点中的每个采样点定义的预编码矩阵的基础;以及多个发射天线(107),被配置为通过通信信道(150)将多个预编码的MCM信号发送到接收器 121)。