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Alleviating sensor location error is essential for promoting the quality of various location based services. Compared with the existing approaches which utilize the calibrators with known locations, e.g., GPS, this paper investigates the calibration performance which uses only the measurements from sources in unknown locations. Since no reference information is involved, it is revealed in this paper...
In cooperative localization, minimally constrained system (MCS) refers to the minimal number of global (continuous) constraints which are indispensable for deriving node absolute locations. This paper investigates the optimality and practicability of the MCS. After deriving an optimal MCS and proving that the optimality depends on the node ground truth locations, a geometric approach to construct...
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