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Issue No.11 - November (2010 vol.21)
pp: 1644-1657
Oh-Heum Kwon , Pukyong National University, Pusan
Ha-Joo Song , Pukyong National University, Pusan
Sangjoon Park , Electronics and Telecommunications Research Institute, Daejeon
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.
Wireless sensor network, localization algorithm, patch and stitch, flip error prevention.
Oh-Heum Kwon, Ha-Joo Song, Sangjoon Park, "Anchor-Free Localization through Flip-Error-Resistant Map Stitching in Wireless Sensor Network", IEEE Transactions on Parallel & Distributed Systems, vol.21, no. 11, pp. 1644-1657, November 2010, doi:10.1109/TPDS.2010.42
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