A possibility of forming and controlling pulse responses of band-limited linear systems being low pass filters having "tails" equidistantly becoming zero that allows for minimizing intersymbol interference in symbol-by-symbol reception with sampling is considered in this paper.Index Term-Sym bolby-sym bo1 reception, asym ptotical behavior, pulse responses, transfer function, intersymbol interference

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In this work, a method of expanding the current GSM cellular communication network coveragc area using a propagation medium in the foim of clectrified railroad contact wire has been considered. 82 17 1 68 31 1