2006•Unpublished venueRequires access

Accurate UWB indoor localization system utilizing time difference of arrival approach

Cemin Zhang, Michael Kühn, Brandon Merkl, Aly E. Fathy, Mohamed R. Mahfouz

Abstract

An accurate ultra wideband (UWB) localization approach has been developed based on time difference of arrival (TDOA). This method provides sub-cm accuracy, which is excellent for indoor utilization when compared with frequency modulated continuous wave (FMCW) systems. The system is also in compliance with FCC UWB regulations and achieves accurate ranging measurements. The utilized time domain measurements suppress multipath signals and have potential for sub-mm resolution

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Available abstract

Key concepts: Multilateration, Multipath propagation, Ultra-wideband, Ranging, Time of arrival, Computer science, Time domain, Frequency domain