FIELD: communications engineering; transmission and reception of message protected by noise-immune code.
SUBSTANCE: on sending end of communication system data burst is coded by noise-immune code, service information is added to this code and transferred to communication channel. On receiving end frame synchronization of information sequence is made, noise-immune code is separated and decoded. Results of decoding are used to evaluate probability of message reception, and parameters characterizing quality of communication channel are determined. Channel quality is evaluated by average error probability per bit in communication channel and by error grouping coefficient; new length of data burst is chosen considering highest increase in speed of useful information transfer through communication channel.
EFFECT: enhanced speed of useful data transfer through communication channel.
2 cl, 2 tbl
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METHOD OF ADAPTIVE INTERLEAVING OF INFORMATION IN COMMUNICATION CHANNELS WITH GROUPING OF ERRORS | 2009 |
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RU2428800C2 |
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RU2581770C1 |
Authors
Dates
2005-08-27—Published
2004-03-10—Filed