A timing system for time synchronization between a time server and a time client over a packet network. The timing system includes a time server for generating current timestamp information and a time client having a phase-locked loop driven client clock counter. The time client periodically exchanges time transfer ...

The present invention relates to an RF antenna structure that includes a planar structure and a loading plate, such that the planar structure is mounted between a ground plane and the loading plate to form an RF antenna. The loading plate may be about parallel to the ground plane and the planar structure may be abou...

A method of setting up a call group for participation in a group call by a plurality of mobile devices in a mobile telecommunications network, the mobile telecommunications network comprising a serving node operable to transceive data to and from the mobile telecommunications devices, the method comprising: receivin...