Information protection in space communication systems using changes in radio wave propagation conditions

Details Information protection in space communication systems using changes in radio wave propagation conditions Information protection in space communication systems using changes in radio wave propagation conditions

Feb 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cosre..45...52c&link_type=abstract

Cosmic Research, Volume 45, Issue 1, pp.52-59

Mathematics

Probability

84.30.Jc

Scientific paper

A technique is developed that allows one to estimate the increase in the probability of erroneous reception of information symbols in space communication systems up to P err ≥ 10-2 due to carrier frequency lowering down to 70...60 MHz and changing conditions of radio wave propagation (mainly due to the appearance of fading). The possibility is shown to provide for P err ≤ 10-5 by applying, under these conditions, spatially separated reception on five antennas with a small correlation of fading (no more than 0.5) in processing branches.

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