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AssigneeNtt Docomo, Inc.
InventorsFujio Watanabe, Shahid Shoaib, Jingjun Cao, Shoji Kurakake
Estimating the term…
A method of coordinating the handoff of a mobile carrier between a first access network and a second access network. The method including establishing a contract between a user of a mobile carrier and a hyper operator and attempting a hand off from a first access network that the mobile carrier is currently operating within to a second access network, wherein the attempting includes authenticating at the hyper operator only that the user may have access to the second access network via the contract. Handing off to the second access network if the authenticating is successful.
A network access system serving a mobile device accessing a wide area network from a plurality of access networks, the network access system comprising a network service proxy server which (1) when requested by the mobile device attached to a first one of the access networks, provisioning a first VPN tunnel between a gateway of a private network and a gateway of that first one of the access networks, the first VPN tunnel comprising a first segment between the network service proxy server and the gateway of that first one of the access networks, and a second segment between the network service proxy server and the gateway of the private network, and (2) when the mobile device moves from that first one of the access networks to a second one of the access networks, provisioning a second VPN tunnel between the gateway of the private network and a gateway of that second one of the access networks, the second VPN tunnel comprising a first segment between the network service proxy server and the gateway of that second one of the access networks and a second segment which is the second segment of the first VPN tunnel.
In a network access system serving a mobile device accessing a wide area network from a plurality of access networks, a method comprising:
Dependencies are inferred from the claim text.