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This paper proposed a novel wireless location algorithm based on distance geometry(DG) constraint filtering for the time of arrival(TOA) of the signal(namely as DG-TOA).Filtering and processing of the observed data and leading to the mathematical formulas based on DG-TOA algorithm are applied to location,also play crucial rules.Simulation results show that the proposed DG-TOA algorithm can provide more valid observation data and be more precise than least square estimate(LSE) algorithm in dense,multi-route,indoor circumstances with the ranging estimation error.
This paper proposes a novel wireless location algorithm based on distance geometry (DG) constraint filtering for the time of arrival (as DG-TOA). Filtering and processing of the observed data and leading to the mathematical formulas based on DG-TOA algorithm can be more valid observation data and be more precise than least square estimate (LSE) algorithm in dense, multi-route, indoor circumstances with the ranging estimation error.