Synchronization method and system for clock signal sources,...

Details Synchronization method and system for clock signal sources,... Synchronization method and system for clock signal sources,...

2006-03-21

2006-03-21

Chin, Stephen (Department: 2634)

Pulse or digital communications

Synchronizers

C375S293000, C375S355000, C375S371000, C375S373000, C370S324000, C370S350000, C370S395620, C370S507000

Reexamination Certificate

active

07016443

ABSTRACT:
The invention relates to a method for synchronization of clock sources in a communications system, in particular a radio communications system, having a large number of devices (PSTN, MSC, RNM, BSi, MSi, OMC) which communicate directly or indirectly with one another and have reference clock sources (Cs) for their operation.In order to overcome aging effects or timing errors in the clock sources (C), the invention proposes the clock sources (C) of one or more communicating devices (MS, BS, RNM) be synchronized by means of asynchronous signaling from at least one reference clock source (Cs). This even allows devices with clock sources that are becoming old to be operated reliably. Furthermore, in particular, there is no need for every device to have its own high-precision clock source (CS). Use is particularly advantageous in communications systems in which no reference clock is transmitted via a landline network.

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