Wavelet Transform Analytics for RF-Based UAV Detection and Identification System Using Machine Learning
Olusiji Medaiyese, Martins Ezuma, Adrian P. Lauf, Ismail Guvenc

TL;DR
This paper compares wavelet transform techniques for RF-based UAV detection and identification, demonstrating high accuracy even under noisy conditions using machine learning and deep neural networks.
Contribution
It introduces a comprehensive analysis of wavelet-based feature extraction methods combined with CNN classifiers for UAV detection under interference.
Findings
Wavelet scattering transform with SqueezeNet achieves 98.9% accuracy at 10 dB SNR.
Different wavelet transforms have varying effectiveness under noise conditions.
RF signal fingerprinting can reliably identify UAVs even in interference environments.
Abstract
In this work, we performed a thorough comparative analysis on a radio frequency (RF) based drone detection and identification system (DDI) under wireless interference, such as WiFi and Bluetooth, by using machine learning algorithms, and a pre-trained convolutional neural network-based algorithm called SqueezeNet, as classifiers. In RF signal fingerprinting research, the transient and steady state of the signals can be used to extract a unique signature from an RF signal. By exploiting the RF control signals from unmanned aerial vehicles (UAVs) for DDI, we considered each state of the signals separately for feature extraction and compared the pros and cons for drone detection and identification. Using various categories of wavelet transforms (discrete wavelet transform, continuous wavelet transform, and wavelet scattering transform) for extracting features from the signals, we built…
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Taxonomy
TopicsWireless Signal Modulation Classification · Radar Systems and Signal Processing · Advanced SAR Imaging Techniques
Methods*Communicated@Fast*How Do I Communicate to Expedia? · Average Pooling · Xavier Initialization · Global Average Pooling · Softmax · Fire Module · Max Pooling · 1x1 Convolution · Dropout · Residual Connection
