Bluetooth Device Spatial Reconnection Logic
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Solution Overview
Problem
Users experience frustration with lost connections and long reconnection times when dealing with multiple Bluetooth terminals, especially in scenarios where quick and easy connectivity is crucial, such as with hearing aids, due to the need for manual interaction and repeated pairing processes.
Innovation Solution
A mobile Bluetooth device determines the spatial relationship with multiple Bluetooth terminals, allowing for automatic reconnection without user intervention by storing and using link keys and location information to establish secure connections, enabling seamless switching between devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If automatic switching between connected Bluetooth devices is implemented, then connection convenience is improved, but connection reliability deteriorates due to unintended automatic reconnections
Solution Approach 1:
The system continuously monitors spatial relationships between the Bluetooth device and multiple terminals, using this feedback to dynamically determine which terminal should be connected. This feedback mechanism allows the device to automatically switch connections based on actual physical conditions while maintaining reliability by ensuring the connection matches user intent.
Solution Approach 2:
The system pre-establishes bonding relationships with multiple Bluetooth terminals in advance, storing their spatial information and connection parameters. When a terminal moves into the predetermined spatial range, the connection is automatically reestablished without requiring user intervention, thus improving convenience while maintaining reliability through pre-configured trusted relationships.
2Reliability
If manual pairing process is required for each Bluetooth terminal, then connection security is improved, but connection time increases
Solution Approach 1:
The system performs bonding (security pairing) with multiple Bluetooth terminals in advance during setup. The spatial relationships and connection parameters are stored beforehand. When connection is needed, the system automatically retrieves pre-stored bonding information and establishes connections without requiring repeated manual pairing, thus reducing connection time while maintaining security through pre-established trusted relationships.
Solution Approach 2:
The system combines multiple bonding relationships with different terminals into a unified management framework, storing all spatial information and connection parameters in a single database. This allows the device to efficiently manage multiple secure connections simultaneously, reducing the time needed to switch between terminals while maintaining the security of each individual bonding relationship.
3Adaptability or versatility
If the Bluetooth device connects to multiple terminals simultaneously, then versatility is improved, but device complexity increases
Solution Approach 1:
The system segments the management of multiple terminal connections by maintaining separate bonding relationships and spatial information for each terminal. Each terminal connection is independently managed with its own stored parameters, allowing the device to handle multiple connections without increasing overall system complexity. The segmentation approach enables clean separation of connection states.
Solution Approach 2:
The system implements self-service connection management by automatically monitoring spatial relationships and determining which terminal should be connected based on pre-stored information. The device autonomously manages multiple terminal connections without requiring user intervention or complex manual configuration, thus improving versatility while keeping the user-facing complexity low through automated decision-making.
Data Source
AI summary
A wireless communication system comprises a mobile Bluetooth device, first and second Bluetooth terminals, the mobile Bluetooth device comprising a memory and a controller performing a first pairing process with the first Bluetooth terminal as a result of which identical first link keys are stored in the mobile Bluetooth device and in the first Bluetooth terminal, the controller further performing a second pairing process with the second Bluetooth terminal such that identical second link keys are stored in the mobile Bluetooth device and in the second Bluetooth terminal. The controller stores in the memory a first location, a first vicinity and/or a first transmit power indication of the first Bluetooth terminal when performing the first pairing process and to store in the memory a second location, a second vicinity and/or a second transmit power indication of the second Bluetooth terminal when performing the second pairing process.