Sleep-state for mobile terminal and service initiation for mobile terminals in sleep-state
First Claim
1. An integrated circuit comprising circuitry which, in operation, controls a process of a mobile terminal capable of communicating with a core network via a first access network and a second access network, the process comprising:
- receiving from an entity in the core network a paging request, which is addressed using a first address to the mobile terminal to be routed through the first access network but is rerouted using a second address through the second access network when the mobile terminal is attached to the second access network;
sending a message to the entity through the second access network in response to the paging request, the message requesting a service to be delivered through the first access network;
receiving a handover command from the entity through the second access network, the handover command directing handover to the first access network; and
connecting to the first access network based on the handover command.
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Abstract
The invention relates to the initiation of a service to a mobile terminal capable of communicating via at least a first and second access network. Further, the invention relates to a reduction of power consumption of mobile terminals supporting connectivity to at least two access networks. The invention also relates to mobile communication systems and in particular to mobile communications through heterogeneous access networks. In order to prove improved method for initiating services to mobile terminals and/or to reduce power consumption of mobile terminals, the invention introduces of a sleep state that can be entered by the terminal for an access system if same is not used. Upon requesting a service from/to the mobile terminal, the mobile terminal starts service initiation through a second access system and transits back to active state for the first access system for service provision.
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Citations
18 Claims
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1. An integrated circuit comprising circuitry which, in operation, controls a process of a mobile terminal capable of communicating with a core network via a first access network and a second access network, the process comprising:
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receiving from an entity in the core network a paging request, which is addressed using a first address to the mobile terminal to be routed through the first access network but is rerouted using a second address through the second access network when the mobile terminal is attached to the second access network; sending a message to the entity through the second access network in response to the paging request, the message requesting a service to be delivered through the first access network; receiving a handover command from the entity through the second access network, the handover command directing handover to the first access network; and connecting to the first access network based on the handover command. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An integrated circuit for controlling a process of a mobile terminal capable of communicating with a core network via a first access network and a second access network, comprising:
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one or more input nodes which, in operation, receives from an entity in the core network a paging request, which is addressed using a first address to the mobile terminal to be routed through the first access network but is rerouted using a second address through the second access network when the mobile terminal is attached to the second access network; one or more output nodes which, in operation, sends a message to the entity through the second access network in response to the paging request, the message requesting a service to be delivered through the first access network; and control circuitry which, in response to receiving via the one or more input nodes a handover command from the entity through the second access network, connects to the first access network based on the handover command. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification