The Robust Communication Method Against Dependent Jamming Based on Convex Hull in Communication Countermeasures

This paper proposes a robust communication method against dependent jamming based on convex hull to counteract the jamming signal that is dependent with the source signals. The proposed method develops the objective function by employing the nonlinear transformation of the convex perimeter of the output signal, and utilizes the step selection method and iterative update strategy based on adjusted factor. It is shown that the presented objective function can suppress different types of noise signals especially when the output Signal-to-Noise Ratio (SNR) is high. Moreover, the convergence rate and the steady-state accuracy of the algorithm can be improved with the decrease of the steady-state fluctuation. Simulation results verifies the effectiveness and superiority of the proposed method for counteracting the independent or dependent jamming signal in the case with Gaussian noise or Laplace noise.