Digital processing of sonet pointers

Details Digital processing of sonet pointers Digital processing of sonet pointers

H - Electricity

04

L

H04L 12/26 (2006.01) H04J 3/06 (2006.01) H04J 3/07 (2006.01) H04L 12/20 (2006.01) H04L 12/24 (2006.01)

Patent

CA 2472691

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).

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