NDLI: A distributed design for multiple moving source positioning

Content Provider	Springer Nature Link
Author	Dang, Viet Hung Lee, Sungyoung Lee, Young Koo
Copyright Year	2011
Abstract	Acoustic source localization has many important applications particularly for military tracking foreign objects. Even though Wireless Sensor Networks (WSNs) have been developed, this localization problem remains a big challenge. A system for solving source localization must have the ability to deal with the problems of recorded convolved mixture signals while minimizing the high communication and computation cost. This paper introduces a distributed design for positioning multiple independent moving sources based on acoustic signals in which we focus on utilizing the relative information of magnitudes recorded at different sensors. The sensors perform preprocessing on the sensed data to capture the most important information before compressing and sending extracted data to the base. At the base, the data is uncompressed and the source locations are inferred via two clustering stages and an optimization method. Analysis and simulation results lead to the conclusion that our system provides good accuracy and needs neither much communication nor complex computation in a distributed manner. It works well when there exists high noise with Rayleigh multipath fading under Doppler effect and even when the number of independent sources is greater than the number of microphone sensors.
Starting Page	438
Ending Page	462
Page Count	25
File Format	PDF
ISSN	09208542
Journal	The Journal of Supercomputing
Volume Number	61
Issue Number	3
e-ISSN	15730484
Language	English
Publisher	Springer US
Publisher Date	2011-04-08
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Multiple moving source Positioning Acoustic Doppler effect Rayleigh Computer Science Programming Languages, Compilers, Interpreters Processor Architectures
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Information Systems Hardware and Architecture Software

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