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Anchor-Free Localization through Flip-Error-Resistant Map Stitching in Wireless Sensor Network

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3 Author(s)
Oh-Heum Kwon ; Div. of Electron., Pukyong Nat. Univ., Pusan, South Korea ; Ha-Joo Song ; Sangjoon Park

In patch-and-stitch localization algorithms, a flip error refers to the kind of error in which a patch is stitched to the map as being wrongly reflected. In this paper, we present an anchor-free localization algorithm which tries to detect and prevent flip errors. The flip error prevention is achieved by two filtering mechanisms: the flip ambiguity test and the flip conflict detection. Based on two techniques, we devised an anchor-free localization algorithm and evaluated the performance of the proposed algorithm though simulations. The results show that our algorithm achieves significant performance improvement over the existing algorithms.

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Parallel and Distributed Systems, IEEE Transactions on  (Volume:21 ,  Issue: 11 )