A Robust MUSIC Based Scheme for Interference Location in Satellite Systems with Multibeam Antennas

TL;DR

This paper introduces a robust MUSIC-based method for accurately locating interference sources in satellite systems with multi-beam antennas, demonstrating superior performance at low SNR compared to existing techniques.

Contribution

A novel MUSIC-based interference localization scheme that achieves super-resolution and high accuracy in satellite multi-beam antenna systems, especially under low SNR conditions.

Findings

Effective interference direction estimation in satellite systems

Improved accuracy over support vector regression at low SNR

Super-resolution capability in azimuth and elevation spectra

Abstract

In this paper, we investigate methods for interference location in satellite communication system using satellite multi-beam antenna with subspace based schemes. A novel MUSIC based approach is proposed for estimating the direction of arrival of the interfering sources. The proposed method provides super resolution and asymptotic maximum likelihood estimates of the direction of arrivals even at low SNR values. Simulations were performed using typical satellite multi-beam antenna configurations and results show that the proposed scheme can effectively estimates the direction of arrival in the azimuth and elevation spectra. Compared to the support vector regression method, the proposed approach offer improved estimation accuracy at low SNR values.