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ThinkMind // ACCSE 2017, The Second International Conference on Advances in Computation, Communications and Services // View article accse_2017_3_20_80011


A Novel Location Estimation Method based on an Apollonian Circle with Robust Filtering

Authors:
Byung Jin Lee
Byung Hoon Lee
Kyung Seok Kim

Keywords: Robust location estimation; received signal strength indication; random sample consensus; Apollonian circle

Abstract:
Noise, deviations, and outliers with varying distribution characteristics exist in measured data for outdoor location estimation, propagation characteristics that make source location estimation difficult. The estimation error of conventional methods (typically a least-squares method) is increased by such outliers. To solve this problem, this study proposes a novel location estimation method, specifically a modified trilateration technique based on Apollonian circles that does not require knowing the exact transmission power of the source or carrying out a calibration procedure. The proposed method results in improved location estimates compared to existing methods, which is confirmed with robust filtering in verification experiments.

Pages: 33 to 36

Copyright: Copyright (c) IARIA, 2017

Publication date: June 25, 2017

Published in: conference

ISSN: 2519-8459

ISBN: 978-1-61208-570-8

Location: Venice, Italy

Dates: from June 25, 2017 to June 29, 2017

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