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Multi-carrier approaches have arisen in the last years as a suitable medium access technique for many communications standards, such as PowerLine Communications (PLC). This one is based on using mains for data transmission, not only in industrial environments but also in public buildings, residences and houses. One of these multi-carrier solutions is based on the Filter-Bank Multi-Carrier (FBMC),...
Recently, a new method for the design of Finite Impulse Response (FIR) prototype filters by frequency sampling for modulated filter banks was presented. In the previous work, we showed the algorithm for obtaining linear-phase prototype filters of restricted length: N=2mM, where m is an integer and M is related to the number of channels. Since fast algorithms of implementation for cosine-modulated...
Authors propose with the real-time implementation of a transmultiplexer based on an embedded filter bank as a medium access technique for multicarrier communications, such as in broadband PLC (power-line communications). For that purpose, the signal processing algorithms have been analyzed, not only to determine the corresponding requirements, but also to optimize them for a suitable implementation...
In this paper, two evolutionary programming (EP) algorithms (classical EP and fast EP) are applied to design prototype lowpass Finite Impulse Response filters for use in a modulated filterbank. The chosen filter design technique is based on frequency-sampling (where the Fourier transform magnitudes of the filter are the objective variables). Design is simplified by constraining most of these values,...
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