Base station handover in a hybrid gsm/cdma network

Details Base station handover in a hybrid gsm/cdma network Base station handover in a hybrid gsm/cdma network

H - Electricity

04

W

H04W 36/08 (2009.01) H04W 88/06 (2009.01) H04B 7/26 (2006.01)

Patent

CA 2338083

A mobile wireless telecommunication system includes base stations of a first type operating according to a first air interface, and base stations of a second type operating according to a second air interface. Methods and apparatus are provided for handing over a mobile station in the system from a first base station, which is of the first type, to a second base station, which is of the second type. A communications link is established over the first air interface between the mobile station and the first base station. Data are received from the mobile station responsive to a signal received by the mobile station over the second air interface from the second base station, substantially without breaking the communications link with the first base station. The mobile station is handed over from the first to the second base station responsive to the data received therefrom.

Selon la présente invention, un système de télécommunication mobile sans fil comprend des stations de base d'un premier type fonctionnant sur une première interface hertzienne, et des stations de base d'un second type fonctionnant sur une deuxième interface hertzienne. L'invention concerne des procédés et des appareils permettant le transfert d'une station mobile du système entre une première station de base, du premier type, et une deuxième station de base, du deuxième type. Une liaison de communication est établie sur la première interface hertzienne entre la station mobile et la première station de base. Des données sont reçues en provenance de la station mobile en réaction à un signal reçu par la station mobile depuis la deuxième station de base sur la deuxième interface hertzienne, sensiblement sans rupture de la liaison de communication avec la première station de base. La station mobile est transférée de la première à la deuxième station de base en réaction aux données reçues depuis la deuxième station de base.

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