Wireless Device Interference Reduction via Dynamic Power Control
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Solution Overview
Problem
Wireless communication devices cause interference with nearby speakers, leading to noise emissions due to their data transmission, which existing technologies have not adequately addressed.
Innovation Solution
A method and system that monitor the microphone input of a wireless device to detect noise from a proximate speaker, reducing the power transmission level when interference is detected and returning it to standard when a predefined threshold is reached, using a noise detection unit, event unit, and power controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If the wireless communication device transmits data at standard power transmission level, then the data transmission efficiency is maintained, but noise is heard on nearby speakers due to interference
Solution Approach 1:
The power transmission level is made dynamic rather than static. The system automatically adjusts the power transmission level between standard and reduced levels based on real-time detection of speaker interference through the microphone. This dynamic adaptation allows the device to maintain optimal transmission efficiency when no interference occurs while reducing interference when speakers are detected nearby.
Solution Approach 2:
A feedback mechanism is implemented where the microphone continuously monitors the environment for speaker output, and this information feeds back to the power controller to adjust the transmission power level. When speaker noise is detected through the microphone, the system responds by reducing the power transmission level, creating a closed-loop control system that automatically manages interference based on environmental conditions.
2Object-generated harmful factors
If the power transmission level is reduced to minimize interference, then noise emissions are reduced, but transmission errors increase
Solution Approach 1:
The power transmission level is dynamically adjusted based on the presence and characteristics of nearby speakers. The system transitions between standard and reduced power levels rather than operating at a fixed level, allowing optimization of the balance between noise reduction and transmission reliability according to real-time environmental conditions.
Solution Approach 2:
The system changes the power transmission level parameter from a fixed standard level to a variable level that can be reduced when interference is detected. This parameter change allows the device to adapt its transmission characteristics to minimize harmful interference while managing the trade-off with transmission reliability through intelligent control.
Data Source
AI summary
A device and method are provided that reduce interference between a wireless communication device and a speaker. Generally speaking, a microphone input is monitored for detecting noise created by the interference. If noise is detected, a power transmission level of the wireless device is reduced from a standard power transmission level.