Multiple simultaneous acoustic source localization in urban terrain

Authors:
Ákos Lédeczi;Péter Völgyesi;Miklós Maróti;Gyula Simon;György Balogh;András Nádas;Branislav Kusy;Sebestyén Dóra;Gábor Pap
Affiliations:
Vanderbilt University, Nashville, TN;Vanderbilt University, Nashville, TN;Vanderbilt University, Nashville, TN;Vanderbilt University, Nashville, TN;Vanderbilt University, Nashville, TN;Vanderbilt University, Nashville, TN;Vanderbilt University, Nashville, TN;Vanderbilt University, Nashville, TN;Vanderbilt University, Nashville, TN
Venue:
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Year:
2005

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Abstract

Experiences developing a sensor network-based acoustic shooter localization system are presented. The system is able to localize the position of a shooter and the trajectory of the projectile using observed acoustic events, such as the muzzle blast and the ballistic shockwave. The network consists of a large number of cheap sensors communicating through an ad-hoc wireless network, which enables the system to resolve multiple simultaneous acoustic sources, eliminate multipath effects, tolerate multiple sensor failures while providing good coverage and high accuracy, even in such challenging environment as urban terrain. The paper describes the hardware and software platform developed for this application and summarizes the lessons learned during the development of the system.