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    • 3. 发明申请
    • METHOD, APPARATUS AND COMPUTER READABLE MEDIUM FOR OBTAINING EFFICIENT DOWNLINK POWER TRANSMISSION
    • 方法,装置和计算机可读介质,用于获得有效的下行电力传输
    • WO2007129941A1
    • 2007-11-15
    • PCT/SE2006/050101
    • 2006-05-04
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)HU, RongWANG, Hai
    • HU, RongWANG, Hai
    • H04B7/005H04Q7/38
    • H04W52/10H04W24/00H04W28/06H04W52/08H04W52/241
    • The invention relates to a method and an arrangement for obtaining efficient radio resource utilization in a communication network comprising a communication network entity transmitting data on a downlink channel over a radio interface to one or more user equipments, each of which is transmitting data on an uplink channel to said communication network entity over said radio interface. The communication network entity receives transmit power control (TPC) commands on said uplink channel and, further, monitors a channel quality indicator (CQI) on said uplink channel from said user equipment in order to obtain channel quality indicator measurements. If there is a channel quality indicator available, the communication network entity calculates a required downlink power. Otherwise, the communication network entity decodes said received transmit power control commands. Thereafter said transmission power is adjusted either based on the calculated downlink power or based on the decoded transmit power control commands in order to obtain efficient radio resource utilization.
    • 本发明涉及一种用于在通信网络中获得有效的无线电资源利用的方法和装置,包括通过无线电接口在下行链路信道上向一个或多个用户设备发送数据的通信网络实体,每个用户设备在上行链路上发送数据 通过所述无线电接口向所述通信网络实体发送信道。 通信网络实体在所述上行链路信道上接收发射功率控制(TPC)命令,并且还从所述用户设备监视所述上行链路信道上的信道质量指示符(CQI),以获得信道质量指示符测量。 如果存在可用的信道质量指示符,则通信网络实体计算所需的下行链路功率。 否则,通信网络实体解码所接收的发送功率控制命令。 此后,基于所计算的下行链路功率或基于解码的发射功率控制命令来调整所述发射功率,以便获得有效的无线电资源利用。
    • 4. 发明申请
    • ARRANGEMENTS AND METHOD FOR POWER ESTIMATION
    • 功率估计的安排和方法
    • WO2004075577A1
    • 2004-09-02
    • PCT/CN2003/000137
    • 2003-02-22
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)WANG, Hai
    • WANG, Hai
    • H04Q7/20
    • H04B1/7103H04B7/022H04B17/318H04B2201/70702H04B2201/709727H04W52/34
    • The present invention relates to an apparatus (1) and method for estimating down link wide-band interference power and noise power in a mobile communications system. By using filters (6) that are matched to the multipath channels (3) of a number of base stations the received powers (I 1 , I j , I J ,) from the base stations may be differentiated and calculated. The impulse responses of the multipath channels (3) are estimated and the filters are matched such that the impulse response of each filter is the complex conjugate of the time reverse of the estimated impulse response of one of the multipath channels. White noise is modeled as a signal that has passed a single-ray channel (4). The received noise power (I J+1 ) is estimated by means of the output signals from the matched filters and the total received signal.
    • 本发明涉及用于在移动通信系统中估计下行链路宽带干扰功率和噪声功率的装置(1)和方法。 通过使用与多个基站的多径信道(3)匹配的滤波器(6),可以区分并计算来自基站的接收功率(I1,Ij,IJ)。 估计多径信道(3)的脉冲响应,并且滤波器被匹配,使得每个滤波器的脉冲响应是多路径信道之一的估计脉冲响应的时间反向的复共轭。 白噪声被建模为已经通过单光道(4)的信号。 通过来自匹配滤波器的输出信号和总接收信号来估计接收噪声功率(IJ + 1)。