Low-voltage power line communication network constructing method for power meter reading system
A technology of low-voltage power line and meter reading system, which is applied in the direction of electrical signal transmission system, distribution line transmission system, transmission system, etc. Strong and other problems, to achieve the effect of real-time update, real-time update, and improve routing communication speed
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[0050] 1. Preliminary conditions
[0051] The networking only considers concentrators, carrier ammeters and collectors, and collectors and carrier ammeters are collectively referred to as terminals. The concentrator has the functions of receiving and sending messages, and plays a leading role in communication; the collector and carrier meter have relay functions, and have the functions of receiving and forwarding messages; both concentrators and terminals have the ability to analyze electrical distances. The electrical distance is a parameter used to measure the reliability of communication in the power line communication network. The shorter the electrical distance, the higher the reliability of communication, and vice versa. The electrical distance can be measured by the signal-to-noise ratio of the communication signal. The higher the signal-to-noise ratio, the shorter the electrical distance, and vice versa.
[0052] The ID address of each terminal is stored in the concen...
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