Carrier communication method and system for BFSK (Binary Frequency Shift Keying) spread-spectrum power line
A communication method and power line technology, applied in multi-frequency code systems, transmission systems, electrical components, etc., to achieve the effects of small error range, improved communication reliability, reliability and stability
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[0039] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0040] The specific embodiment of the present invention is the spread spectrum reception algorithm, communication frame format and transmission protocol between carrier chips.
[0041] 1. The present invention realizes chip definition and internal structure
[0042] The present invention is realized in carrier chip pin definition such as figure 1 As shown, its pin definition is shown in Table 1:
[0043] pin
[0044] 2
[0045] Table 1
[0046] The internal structure of the chip is as attached figure 2 shown
[0047] 2. Explanation of spread spectrum PN code
[0048] The carrier chip (transmitter) replaces the 1 and 0 of the information bit with the corresponding 63-bit PN code sequence for each information bit that needs to be transmitted according to the clock cycle of the local pseudo-code generator 48us, and th...
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