H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/36 (2006.01) G01S 5/06 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2213979
The position of a Wireless Transceiver (WT) is estimated using the Time Of Arrival (TOA) at several Monitoring Sites (MS) of the signal transmitted by the WT. Several sites are used to solve for the coordinates of the WT using hyperbolic trilateration. A time reference is used to synchronize the Monitoring Sites (MS). Super-Resolution (SR) techniques are applied to increase the resolution of the TOA estimate obtained via correlation of the received signal at each MS. SR techniques can improve the TOA resolution substantially.
La position d'un émetteur-récepteur sans fil (WT) est estimée en fonction du temps d'arrivée (TOA) à plusieurs sites de contrôle (MS) du signal transmis par le WT. Plusieurs sites sont utilisés pour déterminer les coordonnées du WT par trilatération hyperbolique. Une référence temporelle permet de synchroniser les sites de contrôle (MS). Des techniques de sur-résolution sont appliquées pour accroître la résolution de l'estimation du TOA obtenue par corrélation du signal reçu à chaque MS. Ces techniques peuvent améliorer sensiblement la résolution du TOA.
Astridge Mark
Borsodi Andrew L.
Fattouche Michel T.
Klukas Richard W.
Lachapelle Gerard J.
Cell-Loc Inc.
Lambert Anthony R.
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