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Double-channel power carrier communication system and communication method thereof

A technology of power carrier communication and communication method, which is applied in the direction of distribution line transmission system, etc., can solve problems such as communication interruption and high bit error rate, and achieve the effects of avoiding communication interruption, reducing bit error rate, and improving quality and reliability

Active Publication Date: 2014-12-31
戴汉楼
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AI Technical Summary

Problems solved by technology

[0004] Other noises generated in low-voltage power lines have a relatively stable impact on the carrier communication system, while impulse noise can have a sudden impact on the communication system, causing instantaneous high bit error rates and even communication interruptions

Method used

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  • Double-channel power carrier communication system and communication method thereof
  • Double-channel power carrier communication system and communication method thereof
  • Double-channel power carrier communication system and communication method thereof

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Embodiment Construction

[0029] refer to figure 1 , a dual-channel power carrier communication system provided by the present invention includes a microprocessing module 1, a transmitting power amplifying circuit 2, a receiving filter circuit 4 and a coupling circuit 3, and the output of the microprocessing module 1 is sequentially connected to the transmitting power amplifying circuit 2 and the coupling circuit 3 is responsible for sending signals to the power line, the coupling circuit 3 is connected with the receiving filter circuit 4 and is responsible for receiving the signal from the power line and sending it to the micro-processing module 1, the receiving filter circuit 4 includes two band-pass filter circuits, and the micro-processing module 1 is equipped with The two-way signal receiving end is correspondingly connected to two-way band-pass filter circuits to receive signals.

[0030] Preferably, the micro-processing module 1 used in this embodiment is a highly integrated power line carrier c...

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Abstract

The invention discloses a double-channel power carrier communication system and a communication method thereof. The system comprises a microprocessing module, a transmission power amplifying circuit, a receiving and filtering circuit and a coupling circuit, wherein the output end of the microprocessing module is connected with the transmission power amplifying circuit, a signal is amplified and sent to a power line by the coupling circuit, the receiving and filtering circuit is connected with the coupling circuit to receive the signal from the power line, then the signal is filtered and sent to the microprocessing module, the receiving and filtering circuit comprises two paths of band pass filtering circuits, the microprocessing module is provided with two paths of signal receiving ends, and the signal receiving ends are correspondingly connected with the two paths of band pass filtering circuits to receive and process the signal. The communication system has the advantages that the burstiness on the pulse noise is realized, the channel with less noise influence can be automatically detected and selected for communication, and the influence by the pulse noise is effectively avoided.

Description

technical field [0001] The invention relates to a power carrier communication system, in particular to a dual-channel power carrier communication system and a communication method thereof. Background technique [0002] Power line carrier communication (PLC) is a unique and basic communication method for power systems. It refers to the technology of using existing power lines to transmit analog or digital signals through carrier waves. Using power lines as a network access solution can use the existing power distribution network for communication without rewiring, and the power line network is widely distributed and easy to access. Therefore, PLC technology has unique advantages and it has also become a smart home. One of the most competitive technologies. [0003] However, the low-voltage power line is not specially used to transmit communication data. Its topological structure and physical characteristics are different from traditional communication transmission media, suc...

Claims

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Application Information

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IPC IPC(8): H04B3/54H04B3/56
Inventor 严惠良戴汉楼
Owner 戴汉楼
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