H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/12 (2006.01) H04L 12/52 (2006.01) H04M 3/42 (2006.01) H04Q 7/24 (2006.01) H04Q 7/26 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2209196
A cellular radio system is to be implemented in an existing facility which performs switching functions and provides service features, without requiring major changes therein. Communication between the individual base stations (BS1, BS2, BS3, BS4) takes place by means of radio via existing radio channels. A cordless terminal (HS1) is assigned to a base station. If the terminal is located in the area of another base station during an incoming call, the terminal is searched for via a radio channel between the base stations. If it is found in the area of the other base station, the call is handed over to this other base station. The sameapplies to outgoing calls and to other functions.
L'invention est un système radio cellulaire implantable dans une installation existante qui effectue des opérations de commutation et offre des fonctions de service sans nécessité de modification majeure dans l'installation. Les communications entre les stations de base individuelles (BS1, BS2, BS3, BS4) se font par l'intermédiaire des canaux radio existants. Un terminal sans fil (HS1) est affecté à une station de base. Si ce terminal se trouve dans la zone d'une autre station de base à l'arrivée d'un appel, il est recherché au moyen d'un canal radio reliant les stations de base. S'il est localisé dans la zone de l'autre station de base, l'appel est transféré à cette autre station de base. Il en est de même pour les appels vers l'extérieur et pour les autres fonctions.
Alcatel
Alcatel Alsthom Compagnie Generale D'electricite
Robic
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