H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/10 (2006.01) H04B 1/707 (2006.01)
Patent
CA 2241972
The invention relates to a method for tracking closely adjacent and time-shifted signals incoming to a RAKE-receiver (25). According to the method, the sampling positions of the RAKE-branches (25a, 25b) are not permitted to come closer to one another in time than by a predetermiend minimum value when updating the branches. The invention also relates to an arrangement (24) for putting the method into effect. The arrangement includes a search unit (24a), a plurality of tracking units (24c, 24d) and a processor unit (24b). The invention also relates to a RAKE-receiver utilizing said apparatus.
L'invention porte sur un procédé de poursuite de signaux très voisins mais décalés dans le temps transmis à un récepteur RAKE (25), selon lequel les positions d'échantillonnage des branches du RAKE (25a, 25b) ne peuvent pas de rapprocher l'une de l'autre dans le temps à moins d'une valeur minimale lors qu'on met les branches à jour. L'invention porte également sur un dispositif de mise en oeuvre du procédé comportant une unité de recherche (24a), une série d'unités de poursuite (24c, 24d) et un processeur (24b). L'invention porte en outre sur un récepteur RAKE utilisant ledit appareil.
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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