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    • 3. 发明申请
    • Method and apparatus for generating and distributing an internal clock for radio network controller
    • 用于生成和分配无线电网络控制器的内部时钟的方法和装置
    • US20050146363A1
    • 2005-07-07
    • US10979168
    • 2004-11-03
    • Li ChunxuVianney AndrieuLiu WeiweiMarc FreynetLi QingPierre DelbreilAlf Neustadt
    • Li ChunxuVianney AndrieuLiu WeiweiMarc FreynetLi QingPierre DelbreilAlf Neustadt
    • H04W56/00H04Q1/30
    • H04J3/0688H04J3/0691
    • The present invention provides a method for generating an internal clock in a radio network controller and a relevant transmission processing board. The transmission processing board comprises: a clock signal selector for extracting a clock signal from a synchronous/asynchronous line connected with a core network when said transmission processing board functions as a master transmission processing board, or for obtaining a clock signal from a clock bus of a sub-rack in which said transmission processing board is located when said transmission processing board functions as a slave transmission processing board; a phase-locked loop for generating a reference transmission clock based on the clock signal extracted or obtained by said clock signal selector; and a clock driver for transmitting the generated reference transmission clock to the clock bus of the sub-rack in which said transmission processing board is located when said transmission processing board functions as a master transmission processing board. According to the present invention, it is not necessary to provide a dedicated clock board, which in turn reduces the types of boards and lowers the complexity of connection lines.
    • 本发明提供一种在无线网络控制器和相关传输处理板中产生内部时钟的方法。 发送处理板包括:时钟信号选择器,用于当所述发送处理板用作主发送处理板时,从与核心网连接的同步/异步线提取时钟信号,或用于从时钟总线获得时钟信号 当所述传输处理板用作从传输处理板时,所述传输处理板位于其中的子机架; 用于基于由所述时钟信号选择器提取或获得的时钟信号产生参考传输时钟的锁相环; 以及时钟驱动器,用于当所述发送处理板用作主发送处理板时,将生成的参考发送时钟发送到所述发送处理板所在的子机架的时钟总线。 根据本发明,不需要提供专用的时钟板,这又减少了板的类型并降低了连接线的复杂性。