Method and device for setting a route for communication connection
First Claim
1. A method of setting a route for a communication connection of a communication unit in a mobile network environment, the method comprising steps of:
- connecting a communication unit to a routing network element;
determining, in the routing network element, whether the communication unit belongs to a home network of the routing network element;
selecting, if the communication unit belongs to the home network of the routing network element, a first type of address information, or selecting, if the communication unit does not belong to the home network of the routing network element, a second type of address information;
sending the first or second type of address information from the routing network element to the communication unit; and
using the first or second type of address information received from the routing network element for setting a route for the communication unit.
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Abstract
A method and a device set a route for a communication connection of a communication unit in a mobile network environment. When a communication unit connects to a routing network element it is determined by the routing network element whether the communication unit belongs to the same home network as the routing network element. Then, a selection for an address information to be sent to the communication unit is made. If it is determined that the communication unit belongs to the same home network as the routing network element, a first type of address information is selected. If it is determined that the communication unit belongs not to the same home network as the routing network element, a second type of address information is selected. The selected address information is sent from the routing network element to the communication unit, in which it is used for setting a route for the communication unit.
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Citations
44 Claims
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1. A method of setting a route for a communication connection of a communication unit in a mobile network environment, the method comprising steps of:
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connecting a communication unit to a routing network element;
determining, in the routing network element, whether the communication unit belongs to a home network of the routing network element;
selecting, if the communication unit belongs to the home network of the routing network element, a first type of address information, or selecting, if the communication unit does not belong to the home network of the routing network element, a second type of address information;
sending the first or second type of address information from the routing network element to the communication unit; and
using the first or second type of address information received from the routing network element for setting a route for the communication unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A communication system usable in a mobile network environment comprising at least one routing network element and at least one communication unit, the system configured to set a route for a communication connection of a communication unit in the mobile network environment, wherein the routing network element is configured to
detect that the communication unit connects to the routing network element, determine whether the communication unit belongs to a home network of the routing network element, select, if the communication unit belongs to the home network of the routing network element, a first type of address information, or select, if the communication unit belongs not to the home network of the routing network element, a second type of address information, and send the first or second type of address information to the communication unit, wherein the communication unit is configured to process the first or second type of address information received from the routing network element and use the address information for setting a route for the communication unit.
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27. A routing device usable in a mobile network environment and employed in a setting of a route for a communication connection of a communication unit in the mobile network environment, wherein the routing device comprises:
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detecting means for detecting that a communication unit connects to the routing device;
determining means for determining whether the communication unit belongs to the home network of the routing device, selecting means for selecting a first type of address information, when the communication unit belongs to the home network of the routing device, or for selecting a second type of address information, when the communication unit belongs not to the home network of the routing device, and sending means for sending the first or second type of address information to the communication unit. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A mobile node connectable to a mobile communication network, the mobile node comprising:
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transmitting means for transmitting a request message for requesting an establishment of a communication connection to a routing network element of a mobile communication network;
introducing means for introducing a specific data field including address information related to the mobile node'"'"'s home network in the request message, the data field usable in a route setting procedure performed by the routing network element. - View Dependent Claims (40, 41, 42)
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43. A mobile node connectable to a mobile communication network, the mobile nodecomprising:
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receiving means configured to receive, from a routing network element, at least one of a first type and a second type of address information;
setting means configured to set a route for a communication connection based on the at least one of a first type and a second type of address information;
selecting means for selecting, when both the first type and the second type of address information are received, one of the first and second types for setting the route. - View Dependent Claims (44)
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Specification