A Retransmission Scheme for Data Communication in the Presence of Atmospheric Noise Bursts

ABSTRACT

A retransmission scheme is suggested for reliable communication of binary data in the presence of atmospheric radio noise bursts. Message blocks, in the scheme, are error detection code words, each of duration b. Every code word is repeated (consecutively) by the transmitter a fixed number of times, R. This is to ensure a satisfactory probability P(b, R) that at least one of the R transmissions falls in the quiet interval between adjacent noise bursts, and the corresponding message block is correctly received. The probability P(b, R) is estimated in terms of the ‘time’ statistics of the noise bursts. The possibility of optimizing the block length b is indicated.