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Communication reliability design of low-voltage power line communication system

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2 Author(s)
Wang Qinruo ; Fac. of Autom., Guangdong Univ. of Technol., China ; Gong shiwei

The transmission of digital or analog signal utilizing the power line of a limited area is a simple and economic transferring method.; but the problem of reliable transmission has never been solved. The objective of this paper is to enhance the communication reliability during the design of a low-voltage power line communication system (PLCS) used in data transmission of middle and low data rate up to 10 kbps. The commonly used modulate-demodulate modes in PLCS are summarized. The channel characteristics was discussed. By analyzing the results of measurements, this paper presents optimized methods to enhance the communication reliability of the low-voltage PLCS. Detailed design methods are demonstrated while relevant schematic figures are provided. These design methods have been successfully applied to the low-voltage-power-line-based public address system (PAS) of an intelligent housing estate. A satisfactory performance has been found to increase the noise-resistant ability and the transmission distance of the system.

Published in:

Systems, Man and Cybernetics, 2003. IEEE International Conference on  (Volume:4 )

Date of Conference:

5-8 Oct. 2003