Technique for synchronizing clocks in a network

H - Electricity – 04 – L

Patent

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Details

H04L 7/00 (2006.01) H03L 7/093 (2006.01) H03L 7/099 (2006.01) H03L 7/18 (2006.01) H04J 3/06 (2006.01)

Patent

CA 2395154

A technique for synchronizing clocks in a network is disclosed. In one exemplary embodiment, the technique may be realized as a method for synchronizing clocks in a network. The method comprises receiving a first timestamp and a second timestamp, each indicating a respective time instance as determined by a first clock signal within the network. The method also comprises measuring a first time interval between the first timestamp and the second timestamp. The method further comprises generating a difference signal representing a difference between the first time interval and a second time interval, and generating a second clock signal based upon the difference signal such that the second clock signal is synchronized with the first clock signal.

La présente divulgation décrit une technique qui permet de synchroniser des horloges dans un réseau. Dans une version décrite à titre d'exemple, cette technique peut servir de méthode de synchronisation des horloges dans un réseau. Cette méthode comprend la réception d'une première estampille temporelle et d'une seconde estampille temporelle, chaque estampille indiquant un cas temporel respectif déterminé par un premier signal d'horloge à l'intérieur du réseau. Ladite méthode comprend aussi la mesure d'un premier intervalle temporel entre la première estampille temporelle et la seconde estampille temporelle. La méthode comprend de plus la production d'un signal de différence qui représente la différence entre le premier intervalle temporel et le second intervalle temporel, et la production d'un second signal d'horloge reposant sur le signal de différence, de sorte que le second signal d'horloge est synchronisé sur le premier signal d'horloge.

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