Power Allocation Scheme for Multi-Static Radar to Stably Track Self-Defense Jammers

Author:

Zhang Gangsheng1,Xie Junwei1,Zhang Haowei1ORCID,Feng Weike1ORCID,Liu Mingjie1ORCID,Qin Cong1

Affiliation:

1. Air and Missile Defense College, Air Force Engineering University, Xi’an 710051, China

Abstract

Due to suppression jamming by jammers, the signal-to-interference-plus-noise ratio (SINR) during tracking tasks is significantly reduced, thereby decreasing the target detection probability of radar systems. This may result in the interruption of the target track. To address this issue, we propose a multi-static radar power allocation algorithm that enhances the detection and tracking performance of multiple radars in relation to their targets by optimizing power resource allocation. Initially, the echo signal model and measurement model of multi-static radar are formulated, followed by the derivation of the Bayesian Cramér–Rao lower bound (BCRLB). The multi-objective optimization method is utilized to establish the objective function for joint tracking and detection, with dynamic adjustment of the weight coefficient to balance the tracking and detection performance of multiple radars. This ensures the reliability and anti-jamming capability of the multi-static radar system. Simulation results indicate that the proposed algorithm can prevent the interruption of jammer tracking and maintain robust tracking performance.

Funder

Youth Talent Lifting Project of the China Association for Science and Technology

Shaanxi Association of Science and Technology Youth Talent Support Program Project

Innovative Talents Cultivation Program for the Technology Innovation Team of ShaanXi Province

Publisher

MDPI AG

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