Method and system for implementing data routing of roaming user
First Claim
Patent Images
1. A method, comprising:
- sending, by a roaming network element, to a Home Subscriber Server (HSS) of a home network, a Public and Mobile Network identification (PLMN ID) of a roaming network where a user equipment (UE) is currently located;
receiving, by the roaming network element, an IP address allocation strategy from the HSS according to the PLMN ID and an ID of the user, wherein the IP address allocation strategy comprises an information element indicating whether the roaming network is allowed to allocate an IP address to the UE;
selecting, by the roaming network element, one of the home network and the roaming network to allocate an IP address according to the IP address allocation strategy; and
establishing, by the roaming network element, an IP bearer.
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Abstract
A method and system for implementing data routing of a roaming user are disclosed. The method comprises: configuring a roaming protocol between the home network and the roaming network; during the registering process of the user in the roaming network, performing an interactive negotiation between the home network and the roaming network, so as to determine one of the home network and the roaming network to allocate IP address according to the roaming protocol between the home network and the roaming network; and establishing the IP access bearer based on the IP address.
26 Citations
8 Claims
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1. A method, comprising:
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sending, by a roaming network element, to a Home Subscriber Server (HSS) of a home network, a Public and Mobile Network identification (PLMN ID) of a roaming network where a user equipment (UE) is currently located; receiving, by the roaming network element, an IP address allocation strategy from the HSS according to the PLMN ID and an ID of the user, wherein the IP address allocation strategy comprises an information element indicating whether the roaming network is allowed to allocate an IP address to the UE; selecting, by the roaming network element, one of the home network and the roaming network to allocate an IP address according to the IP address allocation strategy; and establishing, by the roaming network element, an IP bearer. - View Dependent Claims (2, 3, 4)
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5. A roaming network element, comprising:
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a transmitter configured to send to a Home Subscriber Server (HSS) a Public Land Mobile Network identification (PLMN ID) of a roaming network where a user equipment (UE) is currently located; a receiver configured to receive an IP address allocation strategy determined by the HSS according to the PLMN ID and an ID of the UE, wherein the IP address allocation strategy comprises an information element that indicates whether the roaming network is authorized to allocate an IP address to the UE; and a processor configured to select one of a home network and the roaming network to allocate an IP address to the UE according to the IP address allocation strategy, and establish an IP bearer. - View Dependent Claims (6, 7, 8)
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Specification