Importance

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Abstract

A communication controller mounted on a node includes a data communicator transmitting a data signal, a transmission cycle information decider deciding transmission cycle information of that node on the basis of occurrence frequency of traffic, and a timing control signal receiver receiving a timing control signal. The timing control signal is indicative of a communication timing of the node. The communication controller further includes a communication timing calculator calculating a communication timing of that node in response to reception of the timing control signal, a timing control signal transmitter transmitting a merged signal of a timing control signal and the transmission cycle information to neighboring nodes, and a transmission-reception interruption controller determining whether or not to interrupt transmission and/or reception of the data signal and/or the timing control signal in that node, on the basis of transmission cycle information of the neighboring nodes or the node itself.

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First Claim