Wireless LAN Access Point with Dynamic Permission Control
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Solution Overview
Problem
Conventional wireless LAN communication systems face a balance between convenience and security, particularly when allowing external users to temporarily access the network, as they may independently use the system after initial temporary access.
Innovation Solution
A communication system comprising a first terminal device, a second terminal device, and a communication device with a wireless LAN access point function, where the first terminal device grants permission for the second terminal device to connect and use the communication device's display function, with regular confirmation to ensure secure termination of the connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a terminal of an external user is allowed to connect to the communication device for temporary use, then convenience is improved, but security deteriorates because the external user's terminal may independently use the system after temporary access
Solution Approach 1:
The permission status is made dynamic through regular confirmation cycles between the first terminal device and the communication device. The connection permission is not static but continuously validated, allowing the system to adapt to changing security requirements while maintaining convenient access for authorized external users.
Solution Approach 2:
A feedback mechanism is implemented where the first terminal device regularly confirms the permission status with the communication device. This feedback loop ensures that the communication device receives updated authorization information, preventing unauthorized continued use while maintaining convenient access for permitted external users.
2Reliability
If regular confirmation of permission status is implemented between the first terminal device and the communication device, then security is improved, but device complexity increases
Solution Approach 1:
The first terminal device acts as an intermediary that manages the permission confirmation process between the external user's terminal and the communication device. This intermediary role centralizes the security logic in one device, preventing the communication device from becoming overly complex while still implementing robust security through regular permission status confirmations.
Data Source
AI summary
A wireless LAN communication system which achieves convenience where a terminal of a user who is external to an organization can temporarily use the system while ensuring security. For example, a first terminal is used by a user internal to an organization and a second terminal is used by a user external to the organization. A communication device has a display function and the first terminal connects to the communication device via a wireless LAN access point device. The second terminal connects, under permission from the first terminal, to the communication device via the wireless LAN access point. The second terminal uses the display function of the communication device through the connection via the wireless LAN access point. The first terminal and the communication device confirm whether the permission is to be continued or terminated to make the second terminal unable to use the display function.