Enhanced preemption within a mobile telecommunications network

Details Enhanced preemption within a mobile telecommunications network Enhanced preemption within a mobile telecommunications network

H - Electricity

04

W

H04W 28/20 (2009.01) H04W 88/12 (2009.01)

Patent

CA 2287382

A first mobile station (300A) within a particular service area is initially allocated (620) with a full-rate traffic channel. When congestion occurs within the serving base station controller (BSC) and no traffic channel is available for further allocation, the full-rate traffic channel previously allocated to the first mobile station is divided into two half-rate channels (650). The first mobile station is thereafter re-allocated (660) to one of the two half-rate channels by an intra- cell handover (550) or mode modify procedure. The other half-rate traffic channel then becomes available to effectuate a new call connection with a second mobile station (300B) and increases the call capacity associated with the serving BSC.

Une première station mobile (300A) située dans une zone de service particulière est initialement affectée (620) avec un canal de trafic plein débit. Lorsque le contrôleur de stations de bases (BSC) serveur est encombré et qu'il n'y a plus de canal de trafic disponible pour une autre affectation, le canal de trafic affecté précédemment à la première station mobile est divisé en deux canaux de trafic (650) à demi-débit. La première station mobile est ensuite réaffectée (660) à l'un des deux canaux de trafic à demi-débit par transfert intracellulaire (550) ou par une procédure de changement de mode. L'autre canal de trafic à demi-débit devient alors disponible pour établir une nouvelle communication avec une seconde station mobile (300B) et augmente la capacité d'appel associée au BSC serveur.

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