Abstract
In the lossy wireless network routing system based on RPL technology, an improved DODAG construction optimization scheme is proposed for sensor nodes with low-power dissipation in the interference environment. If a node discovers that all paths between it and its neighbors have failed, the node reset action begins. Once the node reset is complete, the DODAG system build process is resumed. This prevents the DODAG root from initiating a global fix by incrementing the DODAG VersionNumer to produce a new version of the DODAG in a disruptive environment. The power loss caused by this global repair operation is avoided. The performance of DODAG in interference environment is enhanced, and the data retransmission rate is reduced.
Highlights
LLNs, which are restricted in routing and connection performance, have the characteristics of high loss rate, relatively low data transmission rate, and unstable transmission performance
If a node discovers that all paths between it and its neighbors have failed, the node reset action begins
The DODAG root is prevented from initiating a global repair operation by incrementing the DODAG VersionNumer to avoid regenerating a new version of the DODAG
Summary
Received 19 February 2021; Revised 10 March 2021; Accepted 17 March 2021; Published 2 April 2021. In the lossy wireless network routing system based on RPL technology, an improved DODAG construction optimization scheme is proposed for sensor nodes with low-power dissipation in the interference environment. If a node discovers that all paths between it and its neighbors have failed, the node reset action begins. Once the node reset is complete, the DODAG system build process is resumed. Is prevents the DODAG root from initiating a global fix by incrementing the DODAG VersionNumer to produce a new version of the DODAG in a disruptive environment. E power loss caused by this global repair operation is avoided. E performance of DODAG in interference environment is enhanced, and the data retransmission rate is reduced Once the node reset is complete, the DODAG system build process is resumed. is prevents the DODAG root from initiating a global fix by incrementing the DODAG VersionNumer to produce a new version of the DODAG in a disruptive environment. e power loss caused by this global repair operation is avoided. e performance of DODAG in interference environment is enhanced, and the data retransmission rate is reduced
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