This invention relates to methods and devices for time and frequency synchronization. The
invention has particular application where time and frequency synchronization over packet …

There is provided a method of clock management in a packet data network (PDN)
implementing a time-transfer protocol and a clock controller configured to operate therein …

One aspect of the disclosure is directed to a system and method for determining the
propagation delay for a signal to traverse an optical fiber between two transceivers. The …

A method for estimation of a network path segment delay includes determining a scaled time
stamp for each packet of a plurality of packets by scaling a time stamp for each respective …

Existing synchronization methods can be inefficient in hard ware-assisted implementations
because of the effects of various jittery events. Thus, a method and an apparatus are …

A method for measuring one-way delays in a communications network, the method
comprising: maintaining, at a third node having a reference clock, a first virtual clock state …

A time synchronization method includes, a boundary device of a third-party network side
receives a synchronization packet carrying a time synchronization offset and is delivered by …

This invention relates to methods and devices for timing synchronization. The invention has
particular application where timing is being carried out over packet networks using, for …

This invention relates to timing message selection techniques that can be used in
conjunction with a clock recovery mechanism to mitigate the effects of packet delay variation …

Embodiments of the present disclosure disclose a method for transmitting a clock packet.
The method includes: a first network element generates a first clock packet, where the first …