Priority MAC protocol based on industrial wireless field bus network

Priority MAC protocol based on industrial wireless field bus network

The invention discloses a priority MAC (Media Access Control) protocol based on an industrial wireless field bus network, which overcomes the problems of different reliability and deadline required by data due to coexistence of data streams with different importance degrees in the industrial wireles...

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Hauptverfasser: RAO ZIYI, LIU YULIANG, SUN HONGXIAO, TSUGE, LIANG GENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator RAO ZIYI
LIU YULIANG
SUN HONGXIAO
TSUGE
LIANG GENG
description The invention discloses a priority MAC (Media Access Control) protocol based on an industrial wireless field bus network, which overcomes the problems of different reliability and deadline required by data due to coexistence of data streams with different importance degrees in the industrial wireless field bus network in the technical field of communication. The method specifically comprises the following steps that firstly, an industrial wireless field bus network is deployed through a cluster topological structure, sensor nodes which jointly achieve the same function are clustered into clusters, and the nodes can only communicate with corresponding cluster heads; and then determining the importance of each message in the industrial wireless communication network so as to further determine the priority of the message. And finally, determining a time slot and sub-time slot structure of the channel and a preemptive access mechanism of a high-priority information message according to the priority. According to
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title Priority MAC protocol based on industrial wireless field bus network
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