Method of seamless policy based network discovery, selection and switching

The present invention relates to a method for seamless policy based network discovery, selection and switching of a user equipment (UE), characterized by the steps of: retrieving existing network selection policy information for current UE location; contacting network policy control server of current UE location; performing network authentication procedure with the network policy control server; securing communication channel between the UE and the network policy control server; requesting a network selection policy information; storing the network selection policy information; extracting the network selection policy information; evaluating a first set of UE local operating environment conditions; provisioning the plurality of sets of access point security information on UE; evaluating a second set of UE local operating environment conditions; performing network switch; evaluating a third set of UE local operating environment conditions; establishing a wireless local area network (WLAN) interworking procedures; diagnosing the quality of service of connected network connection.