In a heterogeneous network environment, pre-authentication, service adaptation, triggering mechanism in the context-aware application layer for pre-cache, and handover

摘要

PROBLEM TO BE SOLVED: To provide a network selection system.;SOLUTION: The network selection system has a first mobile terminal in communication with a first network, a second network in communication with the first network, and an application level triggering mechanism which determines which one of a plurality of triggers is required in circumstances.;COPYRIGHT: (C)2004,JPO