Portable Terminal as Intermediary for Secure Wireless LAN Setup
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Solution Overview
Problem
Existing wireless LAN systems require users to have knowledge for setting up connections, which can lead to security vulnerabilities if settings are incorrectly configured, and are not easily applicable to personal computers without QR code reading mechanisms.
Innovation Solution
A wireless communication system that uses a portable terminal as an access point, generating and presenting a two-dimensional code with connection information, allowing the terminal to read and analyze this code to establish secure wireless communication, thereby simplifying the setup process while maintaining security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If users manually configure wireless LAN settings, then security can be maintained through proper configuration, but users need knowledge of wireless LAN settings which increases complexity and risk of incorrect configuration
Solution Approach 1:
A portable terminal acts as an intermediary between the information processing apparatus and the wireless LAN network. The terminal reads connection information from a two-dimensional code and automatically configures the wireless LAN connection, eliminating the need for users to manually configure security settings while maintaining secure connectivity through pre-configured parameters
2Ease of operation
If QR code reading mechanism is used for automatic connection, then ease of setup is improved, but personal computers without QR code readers cannot use this method
Solution Approach 1:
The portable terminal serves multiple functions: it acts as a wireless LAN adapter for information processing apparatus, functions as a mobile device with camera for reading two-dimensional codes, and provides automatic connection configuration. This multi-functionality enables both mobile devices and personal computers to benefit from automatic connection setup through the terminal's intermediary role
3Extent of automation
If both wireless LAN terminal and relay device employ the system, then automatic connection with security is achieved, but devices that do not employ the system still require manual configuration
Solution Approach 1:
The portable terminal serves as a universal intermediary that bridges legacy devices without automatic connection capabilities and modern systems. By positioning the terminal as the active configurator that reads two-dimensional codes and establishes connections, the system enables automatic connection functionality across diverse device types without requiring all devices to implement the full system
Data Source
AI summary
A wireless communication system (1) includes: an information processing apparatus (100) including a wireless communication unit (102) that is connected up to a network (3) through an access point according to a predetermined connection condition to perform wireless communication, a generation unit (104) that generates a two-dimensional code in which information on the connection condition is recorded, and a presentation unit (106) that presents the two-dimensional code; and a portable terminal (200) including a wireless communication unit (202) that is connected up to the network (3) to perform wireless communication, a code reading unit (204) that reads the two-dimensional code, an acquisition unit (206) that analyzes the read two-dimensional code to acquire the information on the connection condition, and a communication control unit (208) that builds the access point of the information processing apparatus (100) based on the information on the connection condition and controls wireless communication between the wireless communication unit (202) and the information processing apparatus (100). The wireless communication unit (102) of the information processing apparatus (100) connects up to the network (3) using the portable terminal (200) as the access point, and performs wireless communication according to the connection condition.