Cell resequencing system for a telecommunication network

Details Cell resequencing system for a telecommunication network Cell resequencing system for a telecommunication network

H - Electricity

04

L

H04L 12/56 (2006.01) H04L 12/64 (2006.01)

Patent

CA 2106418

- 29 - ABSTRACT CELL RESEQUENCING SYSTEM FOR A TELECOMMUNICATION NETWORK A cell resequencing system for a resequencing section (RS) having two inputs (S1n) coupled to inlets (I2n) of a switching network (SN2) via transmission links (TLn) arranged in a link group (LG). The cells transmitted from the inputs to outlets (N2m) of the switching network are subjected to a first variable time delay and are then stored in latching means (R2m) for a second variable time delay prior to be released to an output of the section. This second delay is so chosen that for each cell the sum of the first and second delays is substantially equal to a predetermined constant time value. The size of the latching means is determined by the difference between this predetermined constant time value and a fixed transfer delay (TD) below which no cell can be transmitted from an input to an outlet. A method for correlating in phase two clock means (CK1/2) producing time stamp values (tA1,tA2/tB) is also claimed. The first clock means sends a first time stamp value (tA1) to the second clock means (CK2) which then generates a second time stamp value (tB). A time stamp compensation value (TTC) equal to the difference between the second and the first time stamp value is then determined at the location (A/B) of either the first or the second clock means. This time stamp compensation value is function of both the phase difference between the two clock means and the fixed transfer delay (TD).

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