FIELD: radio engineering; transferring voice information in digital radio communication systems.
SUBSTANCE: in order to convert information word into code characters of various concatenated cascades, data bursts are formed on sending end, each burst incorporating information character sequence; information character sequence is supplemented in each data burst with sum of cyclic redundancy check CRC; intermediate code sequence is formed for which purpose information sequence of each data burst supplemented with CRC sum is encoded by recursive convolution code incorporating time-dependent rational transfer function without introducing redundancy, and lattice diagram of non-recursive rational transfer function code is formed; assigned code characters are added to intermediate code sequence formed earlier and encoded by recursive convolution code so as to ensure that the only final node were known at desired depth.
EFFECT: enhanced radio communication quality.
2 cl, 12 dwg
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