摘要: The DPIC makes use of the D detected symbols from output Slicer to estimate precursor ISI which still exists at input sample Slicer. estimation residual value is done by a D-tap Finite Impulse Filter (FIR). This FIR has same structure as DFE or Echo NEXT canceller except values coefficients. Since it calculates, A D-symbol delay element used keep DT-delayed sample, corresponding computed FIR, removed.
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