Selection of positioning handover candidates based on path loss

Details Selection of positioning handover candidates based on path loss Selection of positioning handover candidates based on path loss

G - Physics

01

S

G01S 5/00 (2006.01) G01S 5/14 (2006.01) H04Q 7/38 (2006.01) G01S 5/02 (2006.01)

Patent

CA 2314099

A method, apparatus, and system for the selection of target nodes in locating a receiver is disclosed. The receiver measures the strength of signals transmitted by a number of nodes. The received strength is subtracted from the transmitting power of the nodes to determine the respective path losses. The node with the lowest path loss is selected as the target node. The target node is then used to perform a triangulation for determining the location of the receiver.

L'invention concerne un procédé, un appareil et un système de sélection de noeuds cibles pour localiser un récepteur. Le récepteur mesure la puissance des signaux transmis par un certain nombre de noeuds. La puissance reçue est soustraite de la puissance de transmission des noeuds pour déterminer les affaiblissements respectifs sur le trajet. Le noeud comportant l'affaiblissement le plus faible sur le trajet est choisi comme noeud cible. Ce noeud cible est utilisé ensuite pour effectuer une triangulation permettant de déterminer l'emplacement du récepteur.

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