Design of Reliable Serial Port Transmission Mechanism Based on Zigbee

Abstract:

In order to ensure the reliable transmission of important data between the host computers in fields of industrial control based on Zigbee. We designed a reliable serial transmission mechanism. The core of the mechanism is as follows: first identified the data packet with a sequence number, if the receiving node received a data packet, then compared the sequence number in the data package with expected sequence number, and determined whether to receive the data package and sends it to the host computer. Three values of the variable represented three kinds of status respectively, namely, data has been successfully sent, received duplicate packet and serial port is busy. Receiving node returned status identifier and other information to sending node. According to the statuses of data has been successfully sent or received duplicate packet, sending node would set the send status to allow transmitting new data. As to the case serial port is busy, the sending node would resend the old data package later. Experimental results show that this system is stable and reliable, with good adaptability.

• Periodical: Applied Mechanics and Materials (Volume 539)
• Pages: 93-96
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.539.93
• Online since: July 2014
• Authors: Li Hui Li, Jia Rong Zhu
• Keywords: Response Mechanism, Serial Transmission, ZigBee, Zstack

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