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    • 6. 发明授权
    • Clock priority chain level systems and methods
    • 时钟优先级链系统和方法
    • US08165169B2
    • 2012-04-24
    • US12326372
    • 2008-12-02
    • John M. HedinSteven B. StuartJody Forland
    • John M. HedinSteven B. StuartJody Forland
    • H04J3/06
    • H04J3/0641
    • Clock Priority Chain Level Systems and Methods are provided. In one embodiment, a method for determining clock priority for a multihost unit distributed antenna system is provided. The method comprises identifying which port of a plurality of ports is receiving a reference clock signal having a highest priority Network Chain Level (NCL) value, wherein the highest priority NCL value indicates a master clock priority level (MCPL) of a host unit providing a Master Clock and a chain level value indicating a chain depth; selecting a system clock reference port from the plurality of ports based on the highest priority NCL value; locking a local clock to a reference clock signal received on the selected system clock reference port; calculating an incremented NCL value based on the highest priority NCL value; and transmitting the incremented NCL value over the plurality of ports.
    • 提供时钟优先级链级系统和方法。 在一个实施例中,提供了一种用于确定多主机单元分布式天线系统的时钟优先级的方法。 该方法包括识别多个端口中的哪个端口正在接收具有最高优先级的网络链级(NCL)值的参考时钟信号,其中最高优先级NCL值指示主机单元的主时钟优先级(MCPL),其提供 主时钟和指示链深度的链级值; 基于所述最高优先级NCL值从所述多个端口选择系统时钟参考端口; 将本地时钟锁定到在所选择的系统时钟参考端口上接收的参考时钟信号; 基于最高优先级NCL值计算递增的NCL值; 以及在所述多个端口上传送递增的NCL值。
    • 7. 发明申请
    • CLOCK PRIORITY CHAIN LEVEL SYSTEMS AND METHODS
    • 时钟优先级链系统和方法
    • US20100135276A1
    • 2010-06-03
    • US12326372
    • 2008-12-02
    • John M. HedinSteven B. StuartJody Forland
    • John M. HedinSteven B. StuartJody Forland
    • H04J3/06
    • H04J3/0641
    • Clock Priority Chain Level Systems and Methods are provided. In one embodiment, a method for determining clock priority for a multihost unit distributed antenna system is provided. The method comprises identifying which port of a plurality of ports is receiving a reference clock signal having a highest priority Network Chain Level (NCL) value, wherein the highest priority NCL value indicates a master clock priority level (MCPL) of a host unit providing a Master Clock and a chain level value indicating a chain depth; selecting a system clock reference port from the plurality of ports based on the highest priority NCL value; locking a local clock to a reference clock signal received on the selected system clock reference port; calculating an incremented NCL value based on the highest priority NCL value; and transmitting the incremented NCL value over the plurality of ports.
    • 提供时钟优先级链级系统和方法。 在一个实施例中,提供了一种用于确定多主机单元分布式天线系统的时钟优先级的方法。 该方法包括识别多个端口中的哪个端口正在接收具有最高优先级的网络链级(NCL)值的参考时钟信号,其中最高优先级NCL值指示主机单元的主时钟优先级(MCPL) 主时钟和指示链深度的链级值; 基于所述最高优先级NCL值从所述多个端口选择系统时钟参考端口; 将本地时钟锁定到在所选择的系统时钟参考端口上接收的参考时钟信号; 基于最高优先级NCL值计算递增的NCL值; 以及在所述多个端口上传送递增的NCL值。