FIELD: information technologies.
SUBSTANCE: method and device are proposed for equaliser with decision feedback, where correction term is used to compensate for limiter errors, to prevent propagation of errors. Coefficients of filters for equaliser are selected to minimise function of cost for equaliser, including correction term as function of filter coefficients energy. Equaliser comprises a generator of coefficients, sensitive to correction term. In one version transmitted symbol from received sample is assessed as function of signal/interference+noise ratio (SINR) of received sample. Received sample is quantised and projected in area of signal combination on grid applied onto transmitted combination of signals. This area may additionally comply with estimate value of signal or may be additionally processed to obtain estimate value of symbol.
EFFECT: reduced linear distortions, propagation of errors in equaliser with decision feedback.
29 cl, 17 dwg
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