Abstract
Multiple-input multiple-output techniques have recently become an important research field for enhancing the performance of in-home power-line communication (PLC) systems by exploiting the additional protective earth wire. The development of such systems requires an accurate description of the channel noise. In this paper, we have presented a model for PLC background noise based on an extensive set of measurements. We have adopted the framework of the multivariate time series to model the PLC background noise. This paper employs the vector autoregressive modeling technique to extract noise model parameters from the measured noise. We have verified the accuracy of the noise model by comparing time- and frequency-domain correlation of measured and modeled noise.
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