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    • 4. 发明申请
    • ESTIMATING SIGNAL CHARACTERISTICS
    • 估计信号特性
    • WO2009153138A1
    • 2009-12-23
    • PCT/EP2009/056375
    • 2009-05-26
    • ICERA INCJONES, PhilLUSCHI, CarloMEDLES, AbdelkaderPRICE, Donal
    • JONES, PhilLUSCHI, CarloMEDLES, AbdelkaderPRICE, Donal
    • H04B1/707H04B1/04
    • H04B1/707H03G3/3042H04B1/0483H04B2201/70706H04W52/367
    • A method, program and apparatus for transmitting an RF signal over a wireless communication network. The method comprises: determining a respective weighting factor for each of a plurality of digital signals each corresponding to a respective channel, the weighting factors being for weighting the digital signals for combination to produce a composite signal intended for transmission as an RF signal via a power amplifier. The method further comprises: executing instructions on a processor to dynamically calculate, in the processor, a metric related to the non-linearity of the power amplifier's transfer characteristics for the composite signal using the determined weighting factors; supplying to the power amplifier a signal for transmission as an RF signal; amplifying the signal for transmission at the power amplifier to transmit an RF signal over the wireless communication network via at least one antenna; and controlling the transmission based on the metric related to the amplifier non-linearity.
    • 一种用于通过无线通信网络发送RF信号的方法,程序和装置。 该方法包括:为每个对应于相应信道的多个数字信号中的每一个确定相应的加权因子,所述加权因子用于对数字信号进行加权以进行组合,以产生旨在通过功率发送为RF信号的复合信号 放大器。 该方法还包括:在处理器上执行指令以使用确定的加权因子在处理器中动态地计算与复合信号的功率放大器的传输特性的非线性有关的度量; 向功率放大器提供用于发射的信号作为RF信号; 放大用于在功率放大器传输的信号,以经由至少一个天线在无线通信网络上传送RF信号; 并且基于与放大器非线性相关的度量来控制传输。