| 摘要 |
The present invention proposes a method of performing an area update for a terminal equipment ( 4 A, 4 B) in a communication network ( 1, 2, 3, 5, 6 ), the communication network comprising at least two areas ( 5, 6 ) being defined within an access network, at least one of said areas being served by at least two core network elements ( 1 - 2, 2 - 3 ) of corresponding network element types, each of said at least two core network elements communicating with said access network defining said areas via a different interface (Iu, Gb), the method comprising the steps of: monitoring, at the terminal equipment side, via which of said at least two core network elements ( 1, 2 ) serving a currently visited area ( 5 ) the communication with the terminal equipment ( 4 A) is effected, detecting, at the terminal equipment side, an area update condition for said terminal ( 4 A, 4 B), requesting, by said terminal equipment, an area update for said terminal equipment ( 4 B), and wherein said terminal equipment ( 4 B) sets an identifier in said area update request identifying the core network element via which the communication with the terminal equipment ( 4 A) has previously been effected. Still further, the present invention proposes also an accordingly adapted terminal equipment.
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