Abstract. Direct sequence spread
spectrum (DSSS) technique has been widely used in both military communications
and commercial communications. In this article, the model of the functioning of
a satellite radio communication system with DSSS is considered. This paper proposes
a design of the repeater jamming based on radio frequency memory (RFM). The jamming
effect of repeater jamming on victim receiver’s code acquisition is discussed,
and the bit error probabilities of the DSSS system interfered by repeater
jamming are obtained. The results of simulation show the deduction is right.
The repeater jamming proposed in this paper is a kind of correlative jamming
types which are more effective than normal jamming types, and it can be used to
enhance distributed networked jamming systems in the field of DSSS
communication countermeasures.
Key words: DSSS, spread spectrum,
DRFM, repeater jamming.
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