WLAN Device Network Setup Automation
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Solution Overview
Problem
The process of integrating multiple Wi-Fi-enabled devices into a Wi-Fi network is cumbersome and prone to errors, especially when setting up a smart home system, as it requires manual entry of SSID and password for each device.
Innovation Solution
A method where each Wi-Fi-enabled device starts an open Wi-Fi access point upon initialization or during an installation routine, allowing devices to communicate and automatically designate a server device to control other devices, which then reconfigure to establish a secure point-to-point network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual configuration of SSID and password is used for each device, then connection security is ensured, but the commissioning process becomes tedious and error-prone when connecting multiple devices
Solution Approach 1:
The patent applies preliminary action by having each device start its own open Wi-Fi access point before the actual network configuration is complete. This allows devices to be pre-positioned in a discoverable state, enabling automated server designation and configuration distribution without manual intervention for each device.
Solution Approach 2:
The patent introduces an intermediary mechanism where one device acts as a temporary server that mediates the configuration process. This server device receives configuration data and automatically distributes it to other devices, eliminating the need for manual configuration of each device while maintaining security through centralized credential management.
2Ease of operation
If each device starts an open Wi-Fi access point for automatic configuration, then the commissioning process is simplified, but temporary security risks are introduced during the setup phase
Solution Approach 1:
The open access points are started as a preliminary step only during the configuration phase, not as a permanent state. This temporary openness allows automated discovery and server designation, but the system quickly transitions to secure configuration, minimizing the security exposure window.
Solution Approach 2:
The system implements feedback mechanisms where devices automatically detect and connect to the server device's open access point, receive configuration credentials, and then establish secure connections. The server device monitors the configuration process and automatically deactivates open access points once configuration is complete, providing continuous security feedback.
3Productivity
If a server device is designated to distribute configuration data, then configuration efficiency is improved, but the complexity of automated server selection increases
Solution Approach 1:
The patent changes parameters such as device identifiers, signal strengths, and connectivity states to automatically determine which device should serve as the server. These parameter changes provide objective criteria for server selection, simplifying the automation logic while maintaining configuration efficiency.
Solution Approach 2:
The system applies self-service by enabling devices to autonomously evaluate their own parameters and automatically select a server device without external intervention. Each device can independently determine its suitability as a server based on predefined criteria, and the selected server automatically performs configuration distribution without requiring complex centralized control logic.
Data Source
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Figure 3
AI summary
A method is provided for forming a point-to-point network from multiple WLAN-enabled devices (1, 2, 3, 4) and a secure WLAN access point (5), in which - each WLAN-enabled device (1, 2, 3, 4) starts its own open WLAN access point with an individual SSID after being switched on for the first time and/or after starting an installation routine, - through communication between the WLAN-enabled devices (1, 2, 3, 4) via the open WLAN access points, a server device (4) is automatically determined, which directly or indirectly controls all other WLAN-enabled devices (1, 2, 3) as a client device, wherein during the determination of the server device (4), the open WLAN access points of those WLAN-enabled devices (1, 2, 3) that do not become the server device (4) are deactivated, - the access data for the secure WLAN access point (5) is transmitted to the server device (4),- the server device (4) uses these access data to reconfigure the WLAN-enabled devices (1, 2, 3) controlled directly or indirectly as client devices, so that the reconfigured devices establish a point-to-point connection to the secure WLAN access point (5), and - the server device (4) then reconfigures itself using these access data and switches off its own open WLAN access point, so that the reconfigured server device also establishes a point-to-point connection to the secure WLAN access point (5).