Terminal Device Group Selection for Secure Wireless Communication
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Solution Overview
Problem
In business wireless systems, ensuring secure communication while allowing users to seamlessly switch between authenticated and unauthenticated terminal devices without requiring constant user authentication, while maintaining usability and reducing operational costs.
Innovation Solution
Implementing a terminal device with a transmission unit, authentication processing unit, and selection unit that allows only authenticated devices to subscribe to an authenticated group for secure communication, while unauthenticated devices can use an ordinary group, with a management device managing both groups to facilitate secure and efficient channel assignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If user authentication is required for every terminal device usage, then communication security is improved, but ease of operation deteriorates due to constant authentication requirements
Solution Approach 1:
The system performs user authentication in advance before the user needs to use the terminal device. The authentication result is stored and reused for subsequent communications, eliminating the need for repeated authentication operations while maintaining security.
Solution Approach 2:
The terminal device automatically uses the stored authentication result for subsequent communications without requiring the user to perform authentication operations again. The system serves itself by reusing previously obtained authentication credentials.
2Adaptability or versatility
If terminal devices are configured with identical settings for shared use, then adaptability is improved, but communication security deteriorates due to lack of user-specific protection
Solution Approach 1:
The patent applies different quality attributes to different communication scenarios: unauthenticated communications use standard security settings for adaptability, while authenticated communications use enhanced security settings for reliability. The selection unit chooses appropriate security levels based on authentication status.
Solution Approach 2:
The terminal device dynamically adjusts its security configuration based on the authentication status of the current user. The selection unit switches between different group subscriptions (authenticated vs. unauthenticated) depending on whether authentication has been performed, making the security level adaptive rather than static.
3Reliability
If separate terminal devices are provided for each user, then communication security is improved, but device complexity and cost increase
Solution Approach 1:
The terminal device is designed to serve multiple users through a single device by implementing authentication functionality. The device can switch between different user configurations and group subscriptions, making one device perform the function of multiple dedicated devices while maintaining security through authentication.
Data Source
AI summary
In a business wireless system, a group including a plurality of terminal devices is formed and communication is performed by using at least one base station device to assign a channel to each group. A transmission unit uses a channel assigned by the base station device to a first group for transmission. An authentication processing unit authenticates a user using the terminal device. A selection unit selects one of a second group that only the terminal devices for which the authentication process is completed can subscribe to, and the first group, when the authentication process is completed. When the second group is selected, the transmission unit the channel assigned by the base station device to the second group for transmission.