Research on Multi-protocol Conversion Technology of Distribution Internet of Things Based on CoAP
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There are many kinds of equipment and communication modes in the low-voltage distribution station area, and there is no unified standard for a long time, which brings great challenges to the construction of the distribution Internet of things. In this paper, a protocol conversion method based on CoAP is proposed. According to different data types and interaction modes, a typical protocol frame database is constructed. Based on similarity calculation method and weighted average method, the communication protocol of lowvoltage distribution equipment is sensed and identified, and the bottom details of the equipment protocol are screened, the unified data model is abstracted, and the edge terminal is provided with CoAP protocol unified data type.
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