Computer Science ›› 2016, Vol. 43 ›› Issue (8): 45-49.doi: 10.11896/j.issn.1002-137X.2016.08.009

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Improvement of Train Control Network Token Passing Algorithm Based on ARCNET

ZHANG Xin-you and WEI Jun-chao   

  • Online:2018-12-01 Published:2018-12-01

Abstract: The features of train control network based on ARCNET are analyzed in detail in the paper.Aiming at the specific problems of ARCNET protocol used in train control network,the paper proposed a new token transmission mechanism,named DATP(Double Address Token Passing).The nodes save two next node addresses instead of one node address used in traditional ARCNET.This mechanism can avoid the disadvantage of successor node being difficult to be found quickly when the current node leaving network.Analysis and simulation show that the new token transmission mechanism increases token transmission efficiency and node’s throughput while keeping the original advantage of ARCNET,which can improve the performance of the train control network.

Key words: Train control network,ARCNET protocol,Token,Double address token passing

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