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Power line communication de-noising study based on chaotic spread spectrum and wavelet

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2 Author(s)
Ju Wang ; Coll. of Electr. & Inf. Eng., Changsha Univ. of Sci. & Technol., Changsha ; Shao-sheng Fan

Communication using power line as a medium of signal transmission offers a convenient and inexpensive solution for multimedia signal transmission and control applications. This paper aims to present a de-noising scheme which is a combination between chaotic spread spectrum sequence system and the wavelet transform in power line communications (PLC). The proposed communication scheme is based on two key ideas. The first concept consists of the use of the spread-spectrum based on chaotic sequence in order to minimize interference caused by the power line and to secure the transmission information. The second idea consists of the use of discrete wavelet transform to reduce the noise from a chaotic sequence. Signal-to-noise (SNR) and root mean squared error (RMSE) are made. Analyses of bit error rate (BER) illustrate the superior communication performance of the proposed PLC de-noising scheme based on chaotic spread spectrum and wavelet.

Published in:

Electric Utility Deregulation and Restructuring and Power Technologies, 2008. DRPT 2008. Third International Conference on

Date of Conference:

6-9 April 2008