H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/38 (2006.01) H04Q 7/22 (2006.01)
Patent
CA 2277270
The present invention relates to a method for providing a unique temporary international identification of a mobile station during establishment and reestablishment of a logical link between a mobile station and the associated serving GPRS (General Packet Radio Service) support node (SGSN). The unique temporary international identification allows international roaming across country borders without using the international mobile station identification (IMSI), i.e. beyond the coverage area of the home PLMN, it is according to the present invention suggested to form new identity comprising the old TLLI, the old RA, and identification of the public land mobile network (PLMN) that is the owner of the old TLLI and the country where the PLMN belongs. The new identity is used as identification on the radio interface, identification within the current SGSN and for identification of the old SGSN.
L'invention concerne un procédé permettant d'attribuer une identification internationale temporaire unique à une station mobile durant l'établissement et le rétablissement d'une liaison logique entre une station mobile et le noeud support (SGSN) du service général de radio par paquets (GPRS) serveur. L'identification internationale temporaire unique permet de passer les frontières sans utiliser l'identité internationale de station mobile (IISM), c'est-à-dire de sortir de la zone de couverture du réseau mobile terrestre public (PLMN) de rattachement. L'invention suggère de constituer une nouvelle identité comprenant l'ancienne identité temporaire de liaison logique (TLLI), l'ancienne zone d'acheminement (RA) et l'identité du réseau PLMN propriétaire de l'ancienne TLLI et le pays auquel appartient le PLMN. La nouvelle identité est utilisée comme identité sur l'interface radio, comme identité à l'intérieur du SGSN actuel et pour l'identification de l'ancien SGSN.
Gangsoy Ole Jonny
Monrad Alte
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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