A Hexagonal Coverage LED-ID Indoor Positioning Based on TDOA with Extended Kalman Filter

Attaphongse Taparugssanagorn,Siwaruk Siwamogsatham,Carlos Pomalaza-Ráez

Computer Software and Applications Conference（2013）

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摘要

In this paper we propose a positioning approach based on the time different of arrival (TDOA) algorithm from light emitting diodes to localize mobile targets in indoor environments. The hexagonal lattice alignment of LED transmitters is proposed to reduce the coverage holes and the areas of overlapping radiation. The accuracy of the position estimation is compared to the one in a typical rectangular grid alignment. In addition, an extended Kalman filter is adopted together with the TDOA method to enhance the position estimation performance.

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关键词

extended kalman filter,typical rectangular grid alignment,tdoa method,coverage hole,led transmitter,hexagonal lattice alignment,hexagonal coverage led-id indoor,light emitting diode,indoor environment,position estimation performance,position estimation,noise measurement,light emitting diodes,noise,cramer rao lower bound,random variables,tdoa,lattices,kalman filters,optical wireless communications

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