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    • 28. 发明授权
    • Base station timing control using synchronous transport signals
    • 基站定时控制采用同步传输信号
    • US09210674B2
    • 2015-12-08
    • US13429606
    • 2012-03-26
    • Yifan LinZe Mian HuangTao WangLin SunHao Li
    • Yifan LinZe Mian HuangTao WangLin SunHao Li
    • H04W4/00H04W56/00H04W92/04
    • H04W56/001H04W92/045
    • A base station of a wireless system comprises a local clock source and timing circuitry coupled to the local clock source. The timing circuitry is configured to adjust at least one parameter of the local clock source based at least in part on timing information extracted from designated portions of each of one or more frames of a synchronous transport signal received in the base station. The base station may further comprise a physical layer device, such as a mapper, configured to extract the timing information from the designated portions of each of the one or more frames of the synchronous transport signal. The designated portions of the one or more frames of the synchronous transport signal from which the timing information is extracted may comprise designated overhead bytes of the one or more frames, such as, for example, transport overhead (TOH) bytes.
    • 无线系统的基站包括耦合到本地时钟源的本地时钟源和定时电路。 定时电路被配置为至少部分地基于从在基站中接收的同步传输信号的一个或多个帧的每一个的指定部分提取的定时信息来调整本地时钟源的至少一个参数。 基站还可以包括诸如映射器的物理层设备,被配置为从同步传输信号的一个或多个帧中的每一个的指定部分提取定时信息。 提取定时信息的同步传输信号的一个或多个帧的指定部分可以包括一个或多个帧的指定的开销字节,例如传输开销(TOH)字节。