H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/24 (2006.01) H04Q 7/32 (2006.01) H04Q 7/36 (2006.01)
Patent
CA 2255598
The domestic base station is connected to the public telephone network (RTC, RNIS) and uses in transmission and in reception frequencies close or identical to those of a cellular radiocommunication system. The bimodal mobile station can operate either in a "wireless" mode, whereby it communicates via the domestic base station, or in a "cellular" mode, whereby it communicates via the cellular system base stations (BTS). The invention is characterised in that the method for recording the mobile station in the domestic base station consists in an exchange of signals according to a predetermined protocol based on a predetermined law of frequency jumps, that enables to determine on which frequency each signal should be transmitted, and a predetermined initial uplink frequency, whereon the bimodal mobile station transmits the first signal. The signal hopping law and the initial uplink frequency being particular and known to the bimodal mobile station and the associated domestic base station.
La station de base domestique est reliée au réseau téléphonique public (RTC, RNIS) et utilise en émission et en réception des fréquences proches ou identiques à celles d'un système de radiocommunication cellulaire. La station mobile bimode peut fonctionner soit dans un mode "sans fils", dans lequel elle communique via la station de base domestique, soit dans un mode "cellulaire", dans lequel elle communique via des stations de base (BTS) du système cellulaire. Selon l'invention, le procédé d'enregistrement de la station mobile auprès de la station de base domestique consiste en un échange de signaux selon un protocole prédéterminé basé sur une loi de sauts de fréquence prédéterminée, permettant de déterminer sur quelle fréquence doit être émis chaque signal, et une fréquence de départ de voie montante prédéterminée, sur laquelle la station mobile bimode émet le premier signal. La loi de sauts de fréquence et la fréquence de départ de voie montante étant spécifiques à, et connues de, la station mobile bimode et la station de base domestique associée.
Bursztejn Jacques
Havet Maure
Kumar Vinod
Alcatel
Robic
LandOfFree
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