Acoustic Source Localization via Advanced TDoA for Self-Organization Wireless Sensor Networks

Xuan Ya Li; Lin Lin Ci; Gen Yan Ge; Da Wei Li

doi:10.4028/www.scientific.net/AMM.50-51.42

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 50-51Acoustic Source Localization via Advanced TDoA for...

Acoustic Source Localization via Advanced TDoA for Self-Organization Wireless Sensor Networks

Abstract:

Wireless Sensor Networks (WSNs) enable susceptible sensing of the environment, offering unprecedented opportunities for observing the physical world. Acoustic source localization is an interesting topic with many possible application areas, such as intruder detection, sniper localization, automatic tracking of speakers and so on. Many existing algorithms are on the premise that the exact coordinates of sensor nodes are already known. In this paper, we propose a vector-based advanced TDoA algorithm that would calibrate the coordinate of the acoustic source by the non-prepositioned nodes. In the meanwhile, the portable sensor nodes would adjust themselves through the feedback of the estimated positions as well. Finally, we show that the proposed mechanism has high accuracy through experiments.

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Periodical:

Applied Mechanics and Materials (Volumes 50-51)

Pages:

42-48

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.50-51.42

Citation:

Cite this paper

Online since:

February 2011

Authors:

Xuan Ya Li, Lin Lin Ci, Gen Yan Ge, Da Wei Li

Keywords:

Acoustic Source Localization, Advanced TDoA, Wireless Sensor Network (WSN)

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