METHOD OF TRANSMITTING DATA IN A DIGITAL RADIO COMMUNICATION SYSTEM BASED ON CODES WITH LOW DENSITY OF PARITY CHECKS AND A METHOD OF INTERLEAVING CODE SYMBOLS

摘要

FIELD: data processing and transmission.;SUBSTANCE: invention relates to means for transmitting data in a digital radio communication system based on codes with low density of parity checks. At the transmitting side, data packets are formed, each of which contains an ordered sequence of information symbols. Each information symbol is repeated a certain number of times, depending on its number in order in a sequence of symbols, forming a sequence of repeated information symbols. Number of repetitions is determined in advance. Interleaving in the sequence of repeated information symbols is performed to obtain diversity of consecutive repeating information symbols and forming a sequence of interleaved repeated information symbols. Interleaved repeated information symbols are divided into groups so that the first verification symbol is obtained by summation over the given module of the initial value of the variable summation with all interleaved repeated information symbols from the first group.;EFFECT: technical result consists in improved efficiency of coding.;6 cl, 8 dwg