A dual radar and communication system facing uncertainty about a jammer’s capability

摘要

This paper considers a joint radar and communication system that is attempting to support two different mission objectives: track a distant radar target and communicate with a distant communication receiver in the presence of a jammer. In such a scenario, the system can adjust its power allocation in the waveform design to support both objectives. Interference can undermine the operation of such a joint system and often the capabilities of the jammer are not known: the jammer might focus on disrupting one or both objectives. This uncertainty makes the design of an anti-jamming strategy difficult, and to devise an anti-jamming strategy we formulate the problem as Bayesian game between the system and the jammer, where the system knows only a priori probabilities for the jammer's capabilities. The equilibrium strategies are found in closed form, and the impact of a priori probabilities regarding the jammer's capability on the system anti-jamming strategy is illustrated.