FIELD: radio engineering, communication.
SUBSTANCE: method includes the steps of: modulating a plurality of synchronized signals by orthogonal test sequence (OPS) for generating a plurality of modulated synchronized signals. OPS contains a zero element (0-cell), indicating the start or end of the OPS, and the plurality of modulated signals synchronized is simultaneously transmitted using one or more transmission devices during the duration of some number of discrete multifrequency symbols (DMT). Each of the plurality of modulated synchronized signals is dedicated for one of the plurality of receiving devices, remotely connected to one or more transmission devices through the group of subscriber lines with vectorizing. The column with 0-elements causes the fact that all of the plurality of modulated synchronized signals has a zero amplitude during the first or the last DMT symbol.
EFFECT: enhanced communication reliability.
20 cl, 16 dwg
Authors
Dates
2017-04-25—Published
2014-04-24—Filed