Process and device for reception with directional resolution

H - Electricity – 01 – Q

Patent

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Details

H01Q 3/26 (2006.01) H04L 25/03 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2255674

To adjust and adapt the directional diagram of a group antenna (antenna elements 1 to M) a decision feedback process is used in the first instance which subsequently is shut down for the detection of the subscriber data while the sum of the weighted signals of the individual antennae is directly passed on to a MLSE unit (maximum likelihood sequence estimator) (200). The decision feedback structure (100) can, for the purpose of continuous adaptation of the weighting factors (W11 to WMR) remain permanently switched on, while concurrently the MLSE unit (200) is detecting the subscriber data.

Pour régler et adapter le diagramme directionnel d'une antenne de groupe (éléments antennes 1 à M), on utilise d'abord un procédé à retour de décision, qui est ensuite abandonné pour la détection des données des utilisateurs, tandis que la somme des signaux pondérés des différentes antennes est amenée directement à un détecteur à estimation séquentielle de vraisemblance maximum (MLSE) (200). La structure à retour de décision (100) peut également rester connectée, en vue de l'adaptation continue des facteurs de pondération (W¿11? à W¿MR?), pendant que, parallèlement, le détecteur MLSE (200) détecte les données des utilisateurs.

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