Selection of mobility agent in access network

H - Electricity – 04 – L

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H04L 29/06 (2006.01) H04Q 7/30 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2376403

In an access network which supports macro mobility management, an access node (SGSN) checks (3) during an attach procedure of a mobile station (MS) whether the mobile has macro mobility capability, i.e. whether there is a potential need for macro mobility services. Macro mobility entity (FA2) may be any entity which provides a point of attachment on the macro mobility level, such as a mobility agent in Mobile IP type mobility management. If there is no mobility capability, a normal attach procedure is performed. However, if there is macro mobility capability, the access node (SGSN) selects a suitable mobility entity (FA2) to the mobile station (MS), sends the identity of the selected mobility entity to the mobile station and requests (8) the mobile station to initiate an activation of a packet protocol (PDP) context in the system. Image

Dans un réseau d'accès permettant la gestion par macromobilité, un noeud d'accès (SGSN) vérifie (3) au cours d'une procédure de rattachement d'une station mobile (MS) si la station mobile est compatible avec la gestion de macromobilité, c.-à-d. s'il y a lieu de faire intervenir des services de macromobilité. L'entité de macromobilité (FA2) peut être n'importe quelle entité fournissant un point de rattachement au niveau de la macromobilité, comme par exemple un agent de mobilité dans un gestionnaire de mobilité de type IP. En cas d'absence d'aptitudes à la mobilité, c'est la procédure de rattachement normale qui s'exécute. A l'inverse, le noeud d'accès (SGSN) sélectionne une entité de mobilité (FA2) appropriée pour la station mobile (MS), envoie à la station mobile l'identité de l'entité de mobilité sélectionnée et lui demande (8) d'enclencher l'activation d'un contexte de protocole de paquets (PDP) dans le système.

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