Signal Booster Oscillation Control via Dynamic Gain Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Signal boosters face oscillation issues due to feedback loops between internal antennas, leading to poor reception and increased noise, which existing solutions struggle to effectively mitigate without compromising amplification capabilities.
Innovation Solution
Incorporating a controller that dynamically adjusts gain levels to create an oscillation margin and offset, reducing amplification when oscillations occur, and periodically increasing gain to confirm the margin, thereby minimizing noise and preventing oscillations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the signal booster operates at high amplification levels to improve signal strength, then the signal quality is improved, but oscillations and feedback occur leading to poor reception and increased noise
Solution Approach 1:
The patent implements dynamic gain adjustment where the controller continuously monitors signal conditions and adapts the amplification level in real-time. The gain is adjusted based on detected oscillation characteristics, transitioning from static to dynamic operation to maintain optimal signal quality while preventing oscillation-induced degradation
Solution Approach 2:
The system employs feedback mechanisms where the controller detects oscillation patterns in the amplified signal and uses this information to adjust the gain accordingly. The feedback loop monitors signal characteristics and modifies amplification to eliminate oscillations while maintaining effective signal boosting
2Object-generated harmful factors
If the gain is reduced to prevent oscillations, then noise and feedback are reduced, but the amplification capability and signal strength are compromised
Solution Approach 1:
The controller periodically adjusts the gain level to create and maintain an oscillation margin. By implementing periodic gain adjustments rather than continuous operation at maximum gain, the system reduces oscillation risk while maintaining effective amplification capability when conditions permit
Solution Approach 2:
The system dynamically changes the gain parameter based on detected oscillation characteristics. The controller modifies amplification levels adaptively, increasing gain when oscillations are absent and reducing it when oscillations occur, thereby optimizing both noise reduction and amplification capability
3Productivity
If the signal booster operates continuously at maximum gain, then signal amplification is maximized, but the lifespan of amplifiers is reduced and power consumption increases
Solution Approach 1:
The system applies partial action by operating at maximum gain only when necessary and reducing gain during normal operation. The controller modulates amplification levels dynamically, using full power selectively rather than continuously, thereby extending component lifespan while maintaining amplification efficiency when needed
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Technology for a repeater is disclosed. The repeater can include one or more amplification and filtering signal paths. The repeater can include a controller. The controller can detect an oscillation in the repeater. The controller can reduce a gain in the repeater by a first amount to cease the oscillation in the repeater. The controller can reduce the gain in the repeater further by a second amount to create an oscillation margin. The controller can modify the gain in the repeater further by a third amount to create an offset to the oscillation margin.