NDLI: Scalable distributed data fusion

Content Provider	IEEE Xplore Digital Library
Author	Nicholson, D. Lloyd, C.M. Julier, S.J. Uhlmann, J.K.
Copyright Year	2002
Description	Author affiliation: Adv. Technolgy Centre, BAE Syst., Bristol, UK (Nicholson, D.; Lloyd, C.M.)
Abstract	Measurement and track fusion in decentralised sensor network architectures is investigated. The investigation employs FLAMES/sup TM/, an advanced military scenario generator. This was specifically customised for distributed data fusion experiments and involves a model of the delays in a realistic communication system. Here the delays were used to modify communication bandwidth and evaluate how this affected the performance of the fusion architectures/algorithms. Under certain scenario conditions, it was found that the decentralised measurement fusion system was severely affected by reduced bandwidth. This is because it does not scale: each node loads its communication buffer with every measurement and consequently some measurements are never transmitted. The decentralised track fusion system is a better performer because it does scale: measurements are fused into tracks prior to transmission and thereby more effective use of bandwidth is made. Moreover, it was found that a partially connected decentralised track fusion system achieved almost optimal fused track performance.
Starting Page	630
Ending Page	635
File Size	663381
Page Count	6
File Format	PDF
ISBN	0972184414
DOI	10.1109/ICIF.2002.1021213
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-07-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Int. Soc. of Information Fusion
Subject Keyword	Bandwidth Military computing Sensor fusion Computer networks Laboratories Sensor systems Computer architecture Fusion power generation Delay systems Data processing
Content Type	Text
Resource Type	Article

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