Wi-Fi Device Automatic Service Selection via Signal Intensity
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Solution Overview
Problem
Current Wi-Fi devices face inconvenience in setting secure connections due to the lack of widespread recognition of the Wi-Fi Protected Setup (WPS) function, which requires manual button pressing or PIN code input, and involves a complex process for users, especially with the increasing multifunctionality of portable terminals.
Innovation Solution
A method and system where Wi-Fi devices can automatically exchange support information to select an optimal counterpart for Wi-Fi service-based applications, using automatic authentication to simplify the connection process by checking signal intensities during WPS setup, eliminating the need for manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual button pressing or PIN code input is used for WPS setup, then secure connection can be established, but user convenience deteriorates due to complex operation process
Solution Approach 1:
The system enables devices to automatically perform WPS setup operations without user intervention. The portable terminal autonomously transmits support information, receives responses from Wi-Fi devices, checks signal intensities, and completes connection establishment, making the system serve itself rather than requiring manual user operations.
Solution Approach 2:
The portable terminal performs preliminary actions by proactively transmitting support information to multiple Wi-Fi devices before actual connection is needed. This advance preparation allows the system to have candidate devices ready with their support information already exchanged, streamlining the subsequent connection process.
2Adaptability or versatility
If support information is exchanged between Wi-Fi devices, then optimal device selection is improved, but communication overhead increases
Solution Approach 1:
The system transmits only the necessary support information required for device selection rather than complete device profiles. By sending partial information (support capabilities and signal intensity) rather than excessive data, the system achieves sufficient adaptability for optimal device selection while minimizing communication overhead.
Data Source
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AI summary
A method and a system for providing a Wireless Fidelity (Wi-Fi) service, in which when multiple counterpart devices are selected based on manufacturer information and support information on supported functions and capability defined in a service information field of each beacon message or each probe response message, a final device is determined by checking multiple pieces of signal information of the selected counterpart devices, are provided. The method includes receiving messages from multiple counterpart devices, selecting one or more counterpart devices, each of which supports a requested service, from an identical manufacturer when the messages are received, checking multiple pieces of signal information of the selected counterpart devices when the number of the selected counterpart devices is greater than one, and determining a device having the signal information satisfying set conditions as a final device.