Intersystem handover between a first and second network...

Details Intersystem handover between a first and second network... Intersystem handover between a first and second network...

H - Electricity

04

W

H04W 36/14 (2009.01) H04W 76/04 (2009.01) H04W 88/02 (2009.01)

Patent

CA 2722064

Methods and apparatus for easily and quickly returning to a first radio access technology (RAT) network when handover to a second RAT network is cancelled are provided. The methods and apparatus may involve a mobile station (MS) entering idle mode before handover to the second RAT network is completed and requesting a serving base station (BS) to retain MS service and operational information, as well as service flow state information. In this manner, should handover to the second RAT network be cancelled before completion, a re-entry to the first RAT network may be expeditiously performed using the retained MS information.

L'invention porte sur des procédés et sur un appareil pour retourner facilement et rapidement à un premier réseau de technologie d'accès radio (RAT) lorsqu'un transfert sur un second réseau RAT est annulé. Les procédés et l'appareil peuvent mettre en jeu une station mobile (MS) qui entre dans un mode inactif avant que le transfert sur le second réseau RAT soit achevé, et qui demande à une station de base de service (BS) de conserver un service de MS et des informations opérationnelles, ainsi que des informations d'état de flux de service. De cette manière, si le transfert sur le second RAT devait être annulé avant achèvement, une nouvelle entrée sur le premier réseau RAT pourrait être réalisée de manière expéditive à l'aide des informations de MS conservées.

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