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PLC is the acronym for ??PowerLine Communication?? and means data communications via power wiring. PLC was initially used for tele-protection and tele-monitoring of electrical substations by means of high voltage power lines, in order to avoid costs of microwave or fiber optic links. More recently, PLC has been also adopted for automatic smart metering. However, only with the advent of low-cost digital...
The standards for wireless sensor communications usually do not pose severe constrains on time synchronization methods. In fact, when used for communication purposes, an overall time synchronization accuracy on the order of tens of microseconds is well enough. For this reason, timestamping mechanisms (the basic feature exploited by all algorithms) are often not specified. Real world transceivers,...
This paper deals with time synchronization of distributed systems over Industrial Ethernet network. A new simulation model of IEEE1588 PTP is presented and discussed. The development platform used for simulation is OPNETtrade. Architecture of the proposed model is explained in details, highlighting some special features introduced by authors: modelization of drift and rate variations in the local...
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