Inter-msc handover in high-speed data transmission

Details Inter-msc handover in high-speed data transmission Inter-msc handover in high-speed data transmission

H - Electricity

04

J

H04J 3/16 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2240718

The invention relates to implementing a method for a handover between mobile switching centers (MSC-A, MSC-B) of a cellular mobile network in high-speed data transmission wherein several channels are allocated to a mobile station (MS). In the method, the first mobile switching center (MSC-A) indicates to the second mobile switching center (MSC-B) at least the minimum number of channels required over the connection. The second mobile switching center (MSC-B) attempts to allocate at least the indicated minimum number of channels. The second mobile switching center (MSC-B) transmits to the first mobile switching center (MSC-A) data about the channels it has allocated and at least one handover number (HON). The first mobile switching center (MSC-A) may use the same handover number (HON) to perform a handover to each subchannel. According to a preferred embodiment of the invention, as many handover numbers (HON) are allocated directly as there are channels allocated to the connection.

Procédé permettant le transfert entre les centres de commutation mobile (MSC-A, MSC-B) d'un réseau cellulaire mobile dans la transmission de données à haute vitesse où plusieurs canaux sont affectés à une station mobile (MS). Selon le procédé, le premier centre de commutation mobile (MSC-A) signale au second centre de commutation mobile (MSC-B) le nombre minimal de canaux nécessaires pour la liaison. Le second centre de commutation mobile (MSC-B) tente d'attribuer au moins le nombre minimal de canaux ainsi signalé. Le second centre de commutation mobile (MSC-B) transmet au premier centre de commutation mobile (MSC-A) des données concernant les canaux qu'il a attribués ainsi qu'un numéro de transfert (HON). Le premier centre de commutation mobile (MSC-A) peut utiliser le même numéro de transfert (HON) pour effectuer le transfert vers chaque sous-canal. Dans un mode préféré de réalisation, sont attribués directement autant de numéros de transfert (HON) qu'il y a de canaux affectés à la liaison.

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