Bluetooth Master Device Auto-Reconnection Control
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Solution Overview
Problem
Existing Bluetooth-based master and slave device connections face issues with unnecessary power consumption due to continuous reconnection attempts when devices are unpaired or disconnected without user intervention, leading to increased energy expenditure.
Innovation Solution
Implementing an auto-reconnection method where master and slave devices exchange unpairing messages to prevent unnecessary reconnection attempts, allowing devices to reconnect only when explicitly requested by the user, thereby reducing power consumption by avoiding continuous attempts to reconnect when unpaired.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If devices continuously attempt to reconnect when disconnected, then connection reliability is improved, but power consumption increases
Solution Approach 1:
The system implements feedback by having devices exchange unpairing messages to communicate their reconnection status. When a device receives an unpairing message, it understands that the other device does not wish to reconnect, thereby stopping reconnection attempts and reducing power consumption while maintaining connection reliability through intelligent feedback-based control.
2Ease of operation
If devices automatically reconnect without user intervention, then ease of operation is improved, but unnecessary reconnection attempts increase power consumption
Solution Approach 1:
The system performs preliminary action by exchanging unpairing messages before actual reconnection occurs. This preliminary communication allows devices to determine whether reconnection is desired, enabling automatic reconnection only when appropriate and avoiding unnecessary power consumption from futile reconnection attempts.
3Use of energy by moving object
If unpairing messages are exchanged to prevent unnecessary reconnections, then power consumption is reduced, but device complexity increases
Solution Approach 1:
The system implements self-service by having devices autonomously exchange unpairing messages and make reconnection decisions without external control. Each device independently manages its reconnection behavior based on received messages, reducing the need for complex centralized control mechanisms and minimizing power consumption through self-directed communication.
Data Source
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AI summary
A method of automatically reconnecting a master device and a slave device performed by the master device includes performing a pairing operation with the slave device, connecting to the slave device when the pairing operation is finished, and attempting to reconnect to the slave device according to whether an unpairing message is received from the slave device.