Joint TOA and DOA estimation compliant with IEEE 802.15.4a standard

Authors:
Eva Lagunas;Montse Nájar;Monica Navarro
Affiliations:
Department of Signal Theory and Communications, Universitat Politècnica de Catalunya, Barcelona, Spain;Department of Signal Theory and Communications, Universitat Politècnica de Catalunya, Barcelona, Spain;Centre Tecnològic de Telecomunicacions de Catalunya, Castelldefels, Barcelona, Spain
Venue:
ISWPC'10 Proceedings of the 5th IEEE international conference on Wireless pervasive computing
Year:
2010

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Abstract

Ultra-WideBand (UWB) technology offers the potential of achieving high ranging accuracy through signal Time-Of-Arrival (TOA) measurements, even in harsh enviroments due to its ability to resolve multipath and penetrate obstacles. This paper evaluates a joint TOA and DOA estimator compliant with the IEEE 802.15.4a Standard. The estimator proposed here is an adaptation of [12] to comply with the Standard specifications. The estimation is developed in the frequency domain in order to exploit the high accurate time-based measures of the UWB signals.