Search Results for author: William C. Headley

Found 10 papers, 1 papers with code

Probability-Reduction of Geolocation using Reconfigurable Intelligent Surface Reflections

no code implementations18 Oct 2022 Anders M. Buvarp, Daniel J. Jakubisin, William C. Headley, Jeffrey H. Reed

In this paper, we explore the possibility of using a reconfigurable intelligent surface in order to disrupt the ability of an unintended receiver to geolocate the source of transmitted signals in a 5G communication system.

Scaled-Time-Attention Robust Edge Network

no code implementations9 Jul 2021 Richard Lau, Lihan Yao, Todd Huster, William Johnson, Stephen Arleth, Justin Wong, Devin Ridge, Michael Fletcher, William C. Headley

We demonstrate that STARE is applicable to a variety of applications with improved performance and lower implementation complexity.

Time Series Prediction

When is Enough Enough? "Just Enough" Decision Making with Recurrent Neural Networks for Radio Frequency Machine Learning

no code implementations13 Oct 2020 Megan Moore, William H. Clark IV, R. Michael Buehrer, William C. Headley

Prior work has demonstrated that recurrent neural network architectures show promising improvements over other machine learning architectures when processing temporally correlated inputs, such as wireless communication signals.

BIG-bench Machine Learning Decision Making

The RFML Ecosystem: A Look at the Unique Challenges of Applying Deep Learning to Radio Frequency Applications

no code implementations1 Oct 2020 Lauren J. Wong, William H. Clark IV, Bryse Flowers, R. Michael Buehrer, Alan J. Michaels, William C. Headley

While deep machine learning technologies are now pervasive in state-of-the-art image recognition and natural language processing applications, only in recent years have these technologies started to sufficiently mature in applications related to wireless communications.

BIG-bench Machine Learning

Training Data Augmentation for Deep Learning Radio Frequency Systems

no code implementations1 Oct 2020 William H. Clark IV, Steven Hauser, William C. Headley, Alan J. Michaels

Looking into the Radio Frequency Machine Learning (RFML) field of Automatic Modulation Classification (AMC) as an example of a tool used for situational awareness, the use of synthetic, captured, and augmented data are examined and compared to provide insights about the quantity and quality of the available data necessary to achieve desired performance levels.

Data Augmentation

Investigating a Spectral Deception Loss Metric for Training Machine Learning-based Evasion Attacks

no code implementations27 May 2020 Matthew DelVecchio, Vanessa Arndorfer, William C. Headley

However, while these methodologies consider creating adversarial signals that minimize communications degradation, they have been shown to do so at the expense of the spectral shape of the signal.

BIG-bench Machine Learning

Effects of Forward Error Correction on Communications Aware Evasion Attacks

no code implementations27 May 2020 Matthew DelVecchio, Bryse Flowers, William C. Headley

Recent work has shown the impact of adversarial machine learning on deep neural networks (DNNs) developed for Radio Frequency Machine Learning (RFML) applications.

Adversarial Attack BIG-bench Machine Learning

Deep Learning for RF Signal Classification in Unknown and Dynamic Spectrum Environments

no code implementations25 Sep 2019 Yi Shi, Kemal Davaslioglu, Yalin E. Sagduyu, William C. Headley, Michael Fowler, Gilbert Green

Dynamic spectrum access (DSA) benefits from detection and classification of interference sources including in-network users, out-network users, and jammers that may all coexist in a wireless network.

blind source separation Classification +5

Evaluating Adversarial Evasion Attacks in the Context of Wireless Communications

no code implementations1 Mar 2019 Bryse Flowers, R. Michael Buehrer, William C. Headley

Recent advancements in radio frequency machine learning (RFML) have demonstrated the use of raw in-phase and quadrature (IQ) samples for multiple spectrum sensing tasks.

BIG-bench Machine Learning

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