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Communication Dans Un Congrès Année : 2011

Joint anchor-less tracking and room dimensions estimation through IR-UWB peer-to-peer communications

Résumé

In this paper we jointly address the problems of node location tracking and indoor mapping in the absence of infrastructure, relying on peer-to-peer IEEE 802.15.4a Impulse Radio - Ultra Wideband (IR-UWB) links. Coarse Time of Arrival (ToA) measurements, which are obtained within a low complexity Energy Detection (ED) receiver, are mapped into the direct path and single-bounce reflected multipath components. Then these measurements feed a multi-hypothesis tracking filter to retrieve the peers' normalized coordinates and the room dimensions. Preliminary results are provided in a canonical mobile scenario, where dense multipath channels are generated through realistic UWB Ray-Tracing simulations. On this occasion, remaining structural transmitter/receiver and mirror ambiguities are pointed out and illustrated.
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Dates et versions

hal-00684279 , version 1 (31-03-2012)

Identifiants

Citer

Vincenzo La Tosa, Benoît Denis, Bernard Uguen. Joint anchor-less tracking and room dimensions estimation through IR-UWB peer-to-peer communications. Ultra-Wideband (ICUWB), 2011 IEEE International Conference on, Sep 2011, Bologna, Italy. pp.575 - 579, ⟨10.1109/ICUWB.2011.6058912⟩. ⟨hal-00684279⟩
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