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An oversampled modulated filter bank transmultiplexer with precoding and equalisation

Weiss, S. and Yarr, P. and Alhanafy, W.E.A.E. and Millar, A.P. and Ta, C.H. (2009) An oversampled modulated filter bank transmultiplexer with precoding and equalisation. In: Third Workshop on Power Line Communications, 1900-01-01.

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This paper addresses an oversampled filter bank transmultiplexer applied to a power line commmunications scenario. We proposed structure has a low oversampling ratio and therefore introduces only a small amount of redunancy. Of particular interest are the possibility to iterate the filter bank in order to shorten the overall response, which is traded-off against the use of precoding or equalisation in order to target remaining ISI is only a low number of multiplexed bands are used. However, we demonstrate the iteration of the filter banks does not reduce the problme of timing synchronisation.