Specific Emitter Identification Based on Multi-Scale Multi-Dimensional Approximate Entropy

This is the authors' abstract. We don't add key points for this paper.

Addressing the computational demands and data requirements associated with deep learning techniques, this study presents a novel Specific Emitter Identification (SEI) strategy, based on Multi-Scale Multi-Dimensional Approximate Entropy (MSMD-AE). We focus on the steady-state segment of received signals, obtained through Katz Fractal Dimension (KFD). The performance of proposed method is thoroughly evaluated across a range of SNR variations for two distinct scenarios, involving real-world Very High-Frequency (VHF) radios and open-source cell phone datasets. A comprehensive comparison with the most relevant literature exhibits the superior performance of proposed MSMD-AE method.