QR Code Peer-to-Peer Network Setup for Mobile Devices
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Solution Overview
Problem
Wireless network setup procedures are slow and cumbersome, often requiring users to remember network names, security types, and passwords, which compromises security, especially on small mobile devices, and peer-to-peer networks are typically set up without easy retention or automatic connection options.
Innovation Solution
A network apparatus that uses a wireless processing unit to receive and decode 2D barcodes containing user and network information, including a password, to initiate peer-to-peer network setups without user intervention, utilizing a QR code that displays user and network details for verification and automatically manages network connections based on user preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users manually input network information (name, security type, password) using a keyboard, then network setup can be completed, but the process becomes slow and cumbersome especially on small mobile devices
Solution Approach 1:
The patent replaces the mechanical keyboard input system with an optical scanning system using a camera to capture 2D barcodes. This substitution eliminates the need for manual typing on small devices, significantly improving ease of operation and reducing setup time.
Solution Approach 2:
The patent pre-encodes all network information (SSID, security type, password) into a 2D barcode before the user arrives. When the user scans the barcode, the information is automatically transferred, eliminating the need for real-time manual input and accelerating the setup process.
2Ease of operation
If users use short or simple passwords to remember easily, then ease of operation improves, but network security is severely compromised
Solution Approach 1:
The patent creates a visual copy of the complex password and network information encoded in a 2D barcode. Users can scan and store this visual representation without needing to memorize the actual password, allowing strong passwords to be used while maintaining ease of operation.
Solution Approach 2:
The 2D barcode acts as an intermediary between the secure password and the user. Instead of users directly handling or remembering the password, they interact with the barcode which contains the encrypted information, thus maintaining security while improving usability.
3Extent of automation
If peer-to-peer network information is permanently retained in mobile devices, then automatic connection is enabled, but user control over temporary networks is reduced
Solution Approach 1:
The patent introduces dynamic profile management where network information can be set to either permanent or temporary retention. Users can specify the lifespan of network profiles, allowing the system to adapt between automatic reconnection for permanent networks and manual re-setup for temporary ones, thus balancing automation with user control.
Data Source
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Figure 3A~3B
AI summary
Apparatuses for peer-to-peer network setup are presented. In one embodiment, an apparatus comprises a wireless processing unit to communicate with a master device. The wireless processing unit is operable to receive encoded data in a two-dimensional (2D) barcode. The encoded data comprise at least user information associated with the master device including a user identifier, a device identifier, or both. The encoded data further comprise network information including a network identifier, a password, and a profile lifetime value. In one embodiment, the apparatus further comprises a display unit to display at least part of the user information and the network information to a user. The wireless processing unit is operable to initiate a peer-to-peer network setup with the master device based at least on a response from the user.