Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2002-03-21
2009-08-18
Rampuria, Sharad (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S435100, C455S445000, C455S410000, C370S328000, C370S338000, C370S352000
Reexamination Certificate
active
07577430
ABSTRACT:
The invention relates to assigning a mobile communications terminal having a temporary subscriber identity and/or an assigned routing parameter to a core network node of a core network provider when changing from a first to a second core network area. The invention includes coding a maximum of one core network node of the respective core network area with respect to the routing parameter and/or the temporary subscriber identity of the mobile communications terminal; assigning the mobile communications terminal to a core network node of the second core network area according to: assigning to the maximum of one core network node, which is coded with respect to the routing parameter and/or the temporary subscriber identity or; assigning to an alternative core network node if no core network node, which is coded with respect to the routing parameter and/or the temporary identity, does not exist in the second core network area.
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Digital cellular telecommunications system (Phase 2+)(GSM); Universal Mobile Telecommunications System (UMTS); Intra-domain connection of Radio Access Network (RAN) nodes to multiple Core Network (CN) nodes (3GPP TS 23.228 version 5.2.0 Release 5) ETSI TS 123 236 V5.2.0 (Mar. 2002).
Greenberg Laurence A.
Locher Ralph E.
Nokia Siemens Networks GmbH & Co. KG
Rampuria Sharad
Stemer Werner H.
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