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    • 8. 发明授权
    • Clock control of transmission-signal processing devices in mobile radio terminal devices
    • 移动无线终端设备中传输信号处理设备的时钟控制
    • US08064559B2
    • 2011-11-22
    • US10503647
    • 2003-02-04
    • Robert DenkDietmar WenzelRobert Würth
    • Robert DenkDietmar WenzelRobert Würth
    • H04L7/00
    • H04L7/0091H04L7/0029H04L27/0008H04L27/2017H04L27/2071H04L27/2092
    • To support a plurality of different mobile radio standards in mobile radio terminal devices using a single system oscillator, a sampling rate converter converts the sampling rates from an input rate to an output rate and additionally outputs control information which is suitable for operating signal processing components. The components receiving the control information are arranged in the signal flow upstream of the sampling rate converter, on average exactly at a virtual sampling frequency. The virtual sampling pattern is mapped onto the frame of the physical operating clock by simply gating out edges of the physical operating clock. Using the control signal, a clock control device generates a masked clock that has, on average, an edge repetition rate which corresponds to the virtual sampling frequency of the samples or to an integer multiple thereof.
    • 为了在使用单个系统振荡器的移动无线电终端设备中支持多种不同的移动无线电标准,采样率转换器将采样率从输入速率转换为输出速率,并另外输出适合于操作信号处理组件的控制信息。 接收控制信息的分量被安排在采样率转换器上游的信号流中,平均准确地处于虚拟采样频率。 通过简单地选通物理操作时钟的边缘,将虚拟采样模式映射到物理工作时钟的帧上。 使用控制信号,时钟控制装置产生屏蔽时钟,该屏蔽时钟平均具有对应于样本的虚拟采样频率或其整数倍的边缘重复率。