Patent ID: 6373834
Filing Date: 2002-04-16
Classification: H04B,H04J

Abstract:
A cellular telecommunications network comprising:a master timing unit located at a control node of the network; a slave timing unit located at the control node or a controlled node of the network; wherein one of the master timing unit and the slave timing unit serves as an initiating timing unit for transmitting a synchronization analysis command message including a first parameter to a responding timing unit, the responding timing unit being the other of the master timing unit and the slave timing unit the first parameter being a first time stamp value t1 related to the time that the synchronization analysis command message is transmitted from the initiating timing unit; wherein in response to the synchronization analysis command the responding timing unit sends a synchronization analysis response message including a second parameter to the initiating timing unit, the second parameter being a second time stamp value t2 related to the time that the synchronization analysis command message is received at the responding timing unit; wherein the initiating timing unit uses the first parameter and the second parameter included in the synchronization analysis response message to determine a synchronization adjustment for the slave timing unit.