Method and system for cellular network traffic redirection
First Claim
Patent Images
1. A system for directing roaming network traffic, the system comprising:
- a Home Public Mobile Network (HPLMN) that is a home network of a mobile station;
a Visited Public Mobile Network (VPLMN) configured to communicate with the HPLMN via a signaling network, wherein the mobile station is roaming when in the VPLMN; and
a traffic redirection node comprising high impedance probes on SS7 links between the HPLMN and the VPLMN, wherein the traffic redirection node is configured to monitor signaling between the HPLMN and the VPLMN, including determining when the mobile station is roaming in the VPLMN and whether the VPLMN is a preferred network, wherein if the VPLMN is not a preferred network, the HPLMN sends a message to the mobile station to terminate a current transaction between the VPLMN and the HPLMN, and wherein the traffic redirection node is configured to passively monitor SS7 MAP signaling on the SS7 links.
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Abstract
A system and apparatus for redirecting wireless network traffic. Embodiments include determining when a roaming mobile station initiates a registration attempt with a non-preferred network and causing the roaming mobile station to initiate a registration attempt with a preferred network. Embodiments further include a traffic redirection network entity including a traffic redirection node, a traffic redirection application, and a traffic redirection probe.
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Citations
16 Claims
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1. A system for directing roaming network traffic, the system comprising:
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a Home Public Mobile Network (HPLMN) that is a home network of a mobile station; a Visited Public Mobile Network (VPLMN) configured to communicate with the HPLMN via a signaling network, wherein the mobile station is roaming when in the VPLMN; and a traffic redirection node comprising high impedance probes on SS7 links between the HPLMN and the VPLMN, wherein the traffic redirection node is configured to monitor signaling between the HPLMN and the VPLMN, including determining when the mobile station is roaming in the VPLMN and whether the VPLMN is a preferred network, wherein if the VPLMN is not a preferred network, the HPLMN sends a message to the mobile station to terminate a current transaction between the VPLMN and the HPLMN, and wherein the traffic redirection node is configured to passively monitor SS7 MAP signaling on the SS7 links. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for directing roaming network traffic, the system comprising:
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a Home Public Mobile Network (HPLMN) that is a home network of a mobile station; a Visited Public Mobile Network (VPLMN) configured to communicate with the HPLMN via a signaling network, wherein the mobile station is roaming when in the VPLMN; and a traffic redirection node comprising high impedance probes on SS7 links between the HPLMN and the VPLMN, wherein the traffic redirection node is configured to monitor signaling between the HPLMN and the VPLMN, including determining when the mobile station is roaming in the VPLMN and whether the VPLMN is a preferred network, wherein if the VPLMN is not a preferred network, the HPLMN sends a message to the mobile station to terminate a current transaction between the VPLMN and the HPLMN, and wherein the traffic redirection node is configured to actively monitor SS7 MAP signaling on the SS7 links, wherein actively monitoring includes the traffic redirection node triggering messages to the mobile station and modifying messages exchanged between the HPLMN and the VPLMN. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification