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    • 1. 发明申请
    • Digital processing of sonet pointers
    • sonet指针的数字处理
    • US20050002403A1
    • 2005-01-06
    • US10609562
    • 2003-07-01
    • Kim RobertsJames HarleyPhilippe NeusyMichael Mayer
    • Kim RobertsJames HarleyPhilippe NeusyMichael Mayer
    • H04J3/06H04J3/07H04L12/28
    • H04J3/076
    • In a method of estimating a bit rate (f1) of a digital signal conveyed through a SONET network between an originating node and a terminating node, the digital signal received by the originating node is processed to determine a result of a first function of the signal bit rate (f1) and a respective Tx local reference frequency (f2) of the originating node. A result of a second function of the Tx local reference frequency (f2) and a respective Rx local reference frequency (f3) of the terminating node is calculated. Finally, a result of a third function of the respective first and second function results is calculated, to derive an estimate of the signal bit rate (f4) relative to the Rx local reference frequency (f3).
    • 在估计通过始发节点和终止节点之间的SONET网络传送的数字信号的比特率(f1)的方法中,处理由始发节点接收的数字信号以确定信号的第一功能的结果 比特率(f1)和相应的Tx本地参考频率(f2)。 计算终端节点的Tx本地参考频率(f2)和相应Rx本地参考频率(f3)的第二功能的结果。 最后,计算相应的第一和第二功能结果的第三功能的结果,以导出相对于Rx本地参考频率(f3)的信号比特率(f4)的估计。
    • 2. 发明授权
    • Digital processing of SONET pointers
    • SONET指针的数字处理
    • US07369578B2
    • 2008-05-06
    • US10609562
    • 2003-07-01
    • Kim B RobertsJames HarleyPhilippe NeusyMichael Mayer
    • Kim B RobertsJames HarleyPhilippe NeusyMichael Mayer
    • H04J3/06H04L7/00
    • H04J3/076
    • In a method of estimating a bit rate (f1) of a digital signal conveyed through a SONET network between an originating node and a terminating node, the digital signal received by the originating node is processed to determine a result of a first function of the signal bit rate (f1) and a respective Tx local reference frequency (f2) of the originating node. A result of a second function of the Tx local reference frequency (f2) and a respective Rx local reference frequency (f3) of the terminating node is calculated. Finally, a result of a third function of the respective first and second function results is calculated, to derive an estimate of the signal bit rate (f4) relative to the Rx local reference frequency (f3).
    • 在估计在始发节点和终止节点之间通过SONET网络传送的数字信号的比特率(f 1)的方法中,由始发节点接收的数字信号被处理以确定第一功能的结果 信号比特率(f 1)和相应的Tx本地参考频率(f 2)。 计算终端节点的Tx本地参考频率(f 2)和相应的Rx本地参考频率(f 3)的第二功能的结果。 最后,计算相应的第一和第二功能结果的第三功能的结果,以导出相对于Rx本地参考频率(f 3)的信号比特率(f 4)的估计。