NDLI: A Unified Out-of-Sequence Measurements Fusion Algorithm for WSN

Content Provider	IEEE Xplore Digital Library
Author	Yuepeng Shi Yuqing Wan Quanbo Ge
Copyright Year	2009
Abstract	Influenced by multi-hop transmission module of wireless sensor networks (WSN) and high sensor's data rate etc.., the late measurement for the same target may arrive in the fusion center ahead of schedule than the early measurement in the system with ordered sampling, namely "Out-of-Sequence" Measurements (OOSM) phenomenon. Accordingly, the traditional filtering methods based on ordered measurement can’t be used. Aiming at the problem that most of current OOSM update algorithms only adapt to the OOSM system where the fusion center only gets one OOSM in the fusion period, a unified OOSM fusion method for the single sensor system with arbitrarily random mixed OOSMs system is proposed by use of the pseudo-measurement technology and Kalman filtering with correlated noise in this paper. Synchronously, the centralized and recursive forms of this proposed OOSM method are presented. The theoretic analysis and computer simulation both show the validity and superiority of the proposed OOSM method.
Starting Page	76
Ending Page	79
File Size	375208
Page Count	4
File Format	PDF
ISBN	9780769536040
DOI	10.1109/DBTA.2009.29
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	data fusion Filtering wireless sensor networks Sensor fusion Sensor phenomena and characterization Data engineering Sensor systems LMMSE Delay Wireless sensor networks network delay Databases Spread spectrum communication Kalman filters OOSM
Content Type	Text
Resource Type	Article

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