Wireless Communication Pairing by Distance and Movement Detection
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Solution Overview
Problem
Existing wireless communication systems face challenges in reliably and intuitively setting up connections between host and mobile devices, especially when multiple devices are within reception range, leading to user confusion and unreliable signal strength variations.
Innovation Solution
Implementing a host device with a user interface connect button that initiates a connection sequence using a ranging protocol for distance measurement, allowing the host to determine distances to nearby mobile devices and select the closest one for connection upon user activation, with optional authentication and movement detection to ensure secure and accurate pairing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automatic docking is implemented based on signal strength threshold, then connection setup is automated, but reliability decreases due to unexpected variations in received signal strength
Solution Approach 1:
The patent changes the parameter used for connection decisions from signal strength to distance measurement. By using time-of-flight measurements and round-trip time calculations, the system obtains a more reliable parameter that directly reflects physical proximity rather than variable signal characteristics, thereby improving connection reliability while maintaining automation.
Solution Approach 2:
The patent replaces the signal-strength-based automatic docking mechanism with a ranging protocol-based distance measurement mechanism. This substitution uses precise time measurements of electromagnetic wave propagation to determine distance, providing a more reliable basis for connection decisions compared to the unstable signal strength metric.
2Adaptability or versatility
If multiple host devices and mobile devices are present in the wireless environment, then connectivity options increase, but user confusion increases making connection setup unreliable
Solution Approach 1:
The patent introduces distance measurement as an intermediary criterion to mediate connection decisions between host and mobile devices. By using the determined distance as a selecting criterion, the system objectively identifies the intended connection target among multiple devices, eliminating user confusion while preserving multiple connectivity options.
Solution Approach 2:
The system provides feedback to the user about the detected distance to the mobile device. This feedback mechanism allows the user to verify that the correct device is identified for connection based on physical proximity, reducing confusion when multiple devices are present while maintaining versatile connectivity options.
3Reliability
If distance measurement via ranging protocol is implemented, then connection reliability improves by selecting the nearest device, but device complexity increases
Solution Approach 1:
The patent implements a universal ranging protocol that can be executed by both host devices and mobile devices. This multi-functional approach allows either device to perform distance measurements and initiate connection sequences, reducing the complexity burden on individual devices while improving connection target identification reliability through standardized distance-based selection.
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 intuitive and secure wireless connections by allowing a single user action to establish or terminate connections with the nearest device, reducing user interaction and minimizing errors, while maintaining security and accuracy.
Implementation Method 1
the mobile processor being arranged for distance measurement via a ranging protocol in the communication protocol for determining a distance between the host and the mobile device based on a round trip time measurement
Data Source
AI summary
A wireless communication system comprises a host device (110) and mobile devices (120) arranged for wireless communication and for distance (140) measurement. The host device has a user interface (113) comprising a connect button (115), and is arranged to execute a connection sequence upon a user activating the connect button. The connection sequence first determines respective distances between the host and respective mobile devices. A first mobile device is identified exhibiting a movement. Then a connection action is executed regarding a connection between the first mobile device and the host device. The mobile device is arranged for executing a ranging protocol and, upon subsequently receiving a connection message, executing a connection action regarding a connection between the first mobile device and the host device. Effectively a connection may be established upon the user of a mobile device pressing a single button on a selected host device and moving the mobile device.