Kannan, Anushiya; Fidan, Baris; Mao, Guoqiang; Anderson, Brian
Accurate self-localization capability is highly desirable in wireless sensor networks. A major problem in trilateration based wireless sensor network localization that may introduce large errors in the location estimates is flip ambiguity. Recently the notion of robust quadrilaterals has been introduced as a way to identify possible flip ambiguities that otherwise corrupt localization computations. In this paper, we provide a formal geometric analysis of flip ambiguity problems using similar...[Show more]
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