Automated Device Pairing via Proximity Detection and Bridge Authorization
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Solution Overview
Problem
Existing device pairing methods, such as for Bluetooth devices, require manual user intervention, which can be cumbersome and often result in unsuccessful pairing processes.
Innovation Solution
Automated device pairing is achieved through proximity detection, where a first device authorizes a bridge device to initiate pairing with a second device based on wireless proximity communication, using transceivers for NFC, RFID, or ES communication to establish a secure channel and complete pairing with temporary and non-temporary security keys.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If automated pairing is implemented, then pairing speed and ease of operation are improved, but security risks may worsen due to automatic authorization
Solution Approach 1:
The patent introduces a proximity detection mechanism as an intermediary condition between the pairing request and authorization. The system automatically detects whether devices are physically close through proximity transceivers (NFC, RFID, ES) before initiating pairing, serving as a mediator that validates the legitimacy of the pairing attempt without requiring manual user confirmation
Solution Approach 2:
The patent changes the authorization parameter from purely software-based (manual confirmation) to a hybrid of physical proximity detection and software authorization. By introducing proximity as a new parameter, the system can automatically authorize pairing when devices are physically close, maintaining security while enabling automation
2Reliability
If manual pairing procedures are used, then security control is improved, but time consumption and complexity increase
Solution Approach 1:
The patent performs preliminary proximity detection before the actual pairing process. By checking whether devices are physically close in advance, the system pre-validates the pairing request, eliminating the need for time-consuming manual confirmation steps during the pairing process itself
Solution Approach 2:
The system performs self-verification through automatic proximity detection and authentication. Instead of requiring user intervention to confirm pairing legitimacy, the devices autonomously verify their physical proximity and complete the pairing process automatically, significantly reducing the time users need to spend on pairing operations
3Extent of automation
If proximity detection is added, then automated pairing capability is improved, but device complexity increases
Solution Approach 1:
The patent leverages existing multi-functional transceivers that can operate in multiple modes. The same transceiver hardware is used for both wireless communication (Bluetooth, Wi-Fi) and proximity detection (NFC, RFID, ES), eliminating the need for separate dedicated proximity sensors and reducing overall device complexity
Solution Approach 2:
The patent merges the proximity detection function with the existing wireless communication transceiver. By combining these functions into a single integrated component, the system achieves automated pairing capability without adding separate hardware modules, thus minimizing the increase in device complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables seamless, user-independent device pairing by ensuring co-location detection and secure communication channels, reducing the complexity and failure rates associated with manual methods.
Implementation Method 1
The first device or the bridge device may engage in a wireless proximity communication with one or more second (e.g., secondary) devices, indicating that the second device(s) is (are) physically co-located with the first device or bridge device
Implementation Method 2
A non-temporary security key for pairing may be provided by the first device to the second device (e.g., through the bridge device) over the secure channel
Data Source
AI summary
Devices are automatically paired (e.g., without user involvement) for wireless communication based on proximity. A first device may authorize (e.g., wired or wireless) bridge device(s) to participate in (e.g., initiate) pairing first and second devices. The first or bridge devices engage in wireless proximity communication with second device(s), indicating the second device(s) is (are) physically co-located with the first or bridge devices. Co-location is used to initiate automated pairing of the first and second devices. The second device provides a pairing address to the first device (e.g., through the bridge device). The first device provides a temporary security key for a secure channel between the first and second devices (e.g., through the bridge device). A non-temporary security key is provided by the first device to the second device (e.g., through the bridge device) over the secure channel. The first and second devices complete automated wireless pairing using the non-temporary security key.