Bluetooth Link Modulation Switching Under Interference
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Solution Overview
Problem
Bluetooth communication links between electronic devices are susceptible to interference, leading to reduced communication efficiency and quality due to factors like distance and external interference.
Innovation Solution
A Bluetooth communication method that adjusts the modulation mode from a first mode to a second mode with higher anti-interference capability when link quality falls below a threshold, enhancing communication efficiency and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a first modulation mode is used for Bluetooth communication, then communication speed or efficiency is improved, but communication reliability deteriorates under interference or poor link quality
Solution Approach 1:
The patent implements dynamic modulation mode switching based on real-time link quality detection. The system transitions from a static modulation mode to a dynamic one that adapts to changing channel conditions, selecting appropriate modulation modes (e.g., from higher-order modulation to more robust modulation) based on detected link quality metrics to maintain both efficiency and reliability
Solution Approach 2:
The patent changes the modulation mode parameter in response to detected link quality conditions. When link quality falls below a threshold, the system modifies the modulation parameter to a more interference-resistant mode, thereby improving communication reliability while attempting to maintain acceptable communication efficiency
2Length of stationary object
If communication is performed over long distance or in environments with external interference, then communication coverage is improved, but communication quality deteriorates
Solution Approach 1:
The system dynamically adjusts modulation modes based on detected link quality that results from distance and interference conditions. As communication distance increases or interference intensifies, the system automatically switches to more robust modulation modes to maintain communication quality over extended ranges
Solution Approach 2:
The patent implements a feedback mechanism where link quality is continuously detected and used to trigger modulation mode adjustments. This closed-loop control allows the system to respond to deteriorating conditions from distance or interference by switching to appropriate modulation modes, thereby maintaining communication quality
Data Source
AI summary
The present application relates to a Bluetooth communication method and a device. The method may be performed by a first device. The first device may establish Bluetooth connection with a second device. The method may include: performing link communication with the second device according to a first modulation mode; in a case where it is detected that the quality of link communication is less than a preset threshold, adjusting the modulation mode of the first device from the first modulation mode to a second modulation mode, and performing the link communication with the second device according to the second modulation mode. The anti-interference capability of the second modulation mode is greater than that of the first modulation mode.