Patent ID: 9743437
Date: 2017-08-22
CPC Classifications: H04L,H04W

Claim:
1. A mobile terminal device comprising: a request unit configured to send at least a request message for establishing only one Packet Data Network (PDN) connection which provides connectivity to a PDN associated with an access point name (APN), the PDN connection being used only for a communication between an external gateway device and a plurality of information terminal devices which include said at least one information terminal device; a reception unit configured to receive the APN, an evolved packet system (EPS) bearer ID, and an address block, the address block being allocated by the external gateway device to the PDN connection, and the EPS bearer ID being allocated to the PDN connection; and an allocation unit configured to allocate an IPv6 prefix based on the address block to the at least one information terminal device, and transfer, based on the EPS bearer ID, user data as a router from the at least one information terminal device to the PDN associated with the APN via the PDN connection, wherein the user data being transferred from the information terminal devices using an IP address configured based on the assigned IPv6 prefix.