Simon Williams

The Information Geometry of Sensor Configuration

Simon Williams, Arthur George Suvorov, Zengfu Wang, Bill Moran

Journal article  |  2021  |  SENSORS

In problems of parameter estimation from sensor data, the Fisher information provides a measure of the performance of the sensor; ..

Experimental analysis of a game-theoretic formulation of target tracking

Y Yang, B Moran, X Wang, TC Brown, S Williams, Q Pan

Journal article  |  2020  |  Automatica

Optimal trajectories for two platforms with similar dynamics are calculated using a game theoretic formulation. Each platform make..

The Effect of Linear Approximation and Gaussian Noise Assumption in Multi-Sensor Positioning through Experimental Evaluation

J Gabela, A Kealy, S Li, M Hedley, W Moran, W Ni, S Williams

Journal article  |  2019  |  IEEE Sensors Journal

Assumptions of Gaussianity in describing the errors of ranging data and linearization of the measurement models are well-accepted ..

A Probabilistic Indoor Localization System for Heterogeneous Devices

Yan Li, Simon Williams, Bill Moran, Allison Kealy

Journal article  |  2019  |  IEEE Sensors Journal

The extensive deployment of wireless infrastructure provides a low-cost way to track mobile users in indoor environments. Crowdsou..

RRT∗ Trajectory Scheduling Using Angles-Only Measurements for AUV Recovery

X Wang, S Williams, D Angley, C Gilliam, T Jackson, R Ellem, A Bessell, B Moran

Conference Proceedings  |  2019  |  FUSION 2019 - 22nd International Conference on Information Fusion

Dynamic Target Driven Trajectory Planning using RRT

Simon Williams, Xuezhi Wang, Daniel Angley, Christopher Gilliam, Bill Moran, Richard Ellem, Trevor Jackson, Amanda Bessell

Conference Proceedings  |  2019  |  2019 22ND INTERNATIONAL CONFERENCE ON INFORMATION FUSION (FUSION 2019)

In this paper, we focus on dynamic trajectory planning for an autonomous underwater vehicle (AUV). Specifically, we are interested..

High-Dimensional Probabilistic Fingerprinting in Wireless Sensor Networks Based on a Multivariate Gaussian Mixture Model

Yan Li, Simon Williams, Bill Moran, Allison Kealy, Guenther Retscher

Journal article  |  2018  |  SENSORS

The extensive deployment of wireless infrastructure provides a low-cost way to track mobile users in indoor environment. This pape..

Covariance Cost Functions for Scheduling Multistatic Sonobuoy Fields

Christopher Gilliam, Daniel Angley, Simon Williams, Branko Ristic, Bill Moran, Fiona Fletcher, Sergey Simakov

Conference Proceedings  |  2018  |  2018 21ST INTERNATIONAL CONFERENCE ON INFORMATION FUSION (FUSION)

Sonobuoy fields, comprising a network of sonar transmitters and receivers, are used to find and track underwater targets. For a gi..