Orange

France Telecom

Fabrice Delêtre

Yves Morlon

Sebastien Jobert

Olivier Le Moult

Laurent Pommerol

For phase synchronizing nodes, on a node by node basis, following a tree-structured phase distribution network using the infrastructure of a telecommunications network, a first node transfers to a second node phase information substantially in phase with a phase reference internal to the first node and position signaling of the phase information with respect to component elements, such as bits, of a data signal carried by a link linking the nodes. The position signaling can be the number of component elements separating it from the phase information in a packet. The time to transfer the phase information through the link is precisely compensated.

Phase synchronizing nodes in a telecommunications network

The invention relates to a method for transmitting a clock rate on a network link, seat of a speed timing signal (DR), consisting of at least synchronizing (A), at an input point (I) of this network, this speed timing signal with a reference external clock rate (ESR) for generating a synchronized speed timing signal (SDR) propagating on the network, and of extracting, at an output point (O) of the network, the reference external clock rate (ESR) from the synchronized speed timing signal (SDR) for utilization. The invention is for providing networks that are seats of a speed timing signal such as FastEthernet and Gigabit Ethernet networks or of higher speed Ethernet networks.

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Lannion, France

Fabrice Delêtre