NDLI: An improved quadrilateral localization algorithm for wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Chen Diansheng Li Xiyu Xiao Wei Wang Tianmiao
Copyright Year	2011
Description	Author affiliation: Robotics Institute, Beihang University, Beijing, China (Chen Diansheng; Li Xiyu; Xiao Wei; Wang Tianmiao)
Abstract	Self-localization is a precondition for many wireless sensor network (WSN) applications. To obtain a more accurate and robust localization, an improved quadrilateral localization algorithm is proposed. Considering a real environment, a flip ambiguity detection criterion is adopted into trilateration localization. And for the propose of avoiding intense fluctuation and error propagation of localization results, a centroid quadrilateral localization (CQL) and a comparative weighted quadrilateral localization (WQL) with flip ambiguity detection conditions are developed by adding a node with known position. Then a development flow is designed for the real environment. Finally, the distributed suitable localization experiment is conducted in an area of 15.3m×15.3m, and the results show that both CQL and WQL have a capacity of error endurance, CQL errors are within 2.7m, WQL errors are within 3.7m. And WQL is more stable than CQL, but also bears results with larger stable errors.
Starting Page	268
Ending Page	273
File Size	1887876
Page Count	6
File Format	PDF
ISBN	9781424493234
e-ISBN	9781424493241
DOI	10.1109/ICCME.2011.5876748
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Area measurement centroid wireless sensor network quadrilateral localization weighted Robots
Content Type	Text
Resource Type	Article

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