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Maximum-likelihood estimation of the frequency response of a low frequency power-line communication channel

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1 Author(s)
Rieken, D.W. ; Aclara Power-Line Syst. Inc., Hazelwood, MO

In this paper we consider the problem of characterizing the communication channel of a power-line communication system operating at very low center frequencies (i.e. less than 3 kHz). We present an algorithm for estimating the channel frequency response that is derived from the best linear unbiased estimator and uses an existing low-frequency power- line communication protocol as source data. Sample frequency responses derived using this technique from actual power-line data are presented and discussed.

Published in:

Power Line Communications and Its Applications, 2008. ISPLC 2008. IEEE International Symposium on

Date of Conference:

2-4 April 2008