Multi-Mode User Equipment and Routing Controlling Method Thereby
First Claim
1. Multi-mode user equipment for supporting wireless data communication with the Internet via a plurality of access networks, the multi-mode user equipment comprising:
- an interface unit comprising a plurality of network interfaces for supporting access to the respective access networks; and
a user equipment operating unit for receiving information on the state of the respectively corresponding access networks from the plurality of network interfaces, selecting an access network that is capable of providing stable data communication from among the plurality of access networks based on the information, and establishing a data communication path.
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Abstract
The present invention provides multi-mode user equipment for supporting wireless data communication with the Internet through various access networks. The multi-mode user equipment includes a plurality of network interfaces for supporting access to the respective access networks. In addition, the multi-mode user equipment collects information on the state of the respective access networks from the respectively corresponding network interfaces, selects a network interface that is capable of providing a stable data communication path based on the collected information, and establishes a data communication path. Further, the multi-mode user equipment releases the data communication path when data packets are not subsequently transmitted/received through the corresponding data communication path to thereby achieve efficient use of resources.
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Citations
27 Claims
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1. Multi-mode user equipment for supporting wireless data communication with the Internet via a plurality of access networks, the multi-mode user equipment comprising:
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an interface unit comprising a plurality of network interfaces for supporting access to the respective access networks; and a user equipment operating unit for receiving information on the state of the respectively corresponding access networks from the plurality of network interfaces, selecting an access network that is capable of providing stable data communication from among the plurality of access networks based on the information, and establishing a data communication path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for controlling a data communication path of multi-mode user equipment that includes a plurality of network interfaces for respectively supporting access to a plurality of access networks and that supports wireless data communication with the Internet via the plurality of access networks, the method comprising:
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obtaining IP addresses for the plurality of network interfaces and the multi-mode user equipment, respectively; collecting information on the state of access networks respectively accessible through the plurality of network interfaces; generating an interface state table by matching the collected state information and the IP addresses allocated to the plurality of network interfaces, respectively; and generating a path information table by selecting a network interface that supports access to an access network for providing stable data communication based on the interface state table. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification