Information Processing Device Carrier Network Selection
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Solution Overview
Problem
Users of communication devices, such as vehicles with connected car functions, are limited to a specific carrier network for communication, restricting their ability to freely select a carrier network for communication purposes.
Innovation Solution
An information processing device with a storage unit for authentication information and an eUICC for profile information, which establishes a logical tunnel with a gateway device in a selected carrier network, allowing communication through a predetermined communication system regardless of the carrier network used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a user terminal is limited to a specific carrier network for communication, then the connection stability is improved, but the adaptability to different carrier networks deteriorates
Solution Approach 1:
The patent introduces a gateway device as an intermediary between the user terminal and the carrier network. The gateway establishes a logical tunnel through which the terminal can communicate with the carrier network indirectly, allowing the terminal to work with multiple carrier networks without being directly bound to any specific one, thus improving adaptability while maintaining connection stability through the gateway's mediation
2Productivity
If direct connection to carrier network is established, then the communication efficiency is improved, but the compatibility with non-cooperating carrier networks deteriorates
Solution Approach 1:
The patent segments the communication path into two distinct parts: a physical connection segment between the gateway and the carrier network, and a logical tunnel segment between the terminal and the gateway. This segmentation allows the terminal to maintain efficient communication through the logical tunnel while the gateway handles the complexity of interfacing with different carrier networks, thereby achieving both communication efficiency and broad carrier network compatibility
Data Source
AI summary
The information processing device includes a storage unit that stores authentication information used for connection to a first communication system, a first eUICC that holds profile information used for connection to a first carrier network selected and contracted by a user as an access network, and a control unit. The controller receives the authentication in the first carrier network by using the profile information, establishes a connection with the first carrier network, and establishes a logical tunnel with the gateway device in the first communication system on the first carrier network. The control unit receives authentication in the first communication system by using the authentication information, and establishes a connection with the first communication system. After establishment of the connection with the first communication system, communication with the external network is performed through the logical tunnel and the first communication system.