Dynamic Jamming Power Control for Spatial Interference Limitation
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Solution Overview
Problem
Existing jamming devices struggle to spatially limit interference effectively, often affecting unintended areas, especially in densely populated regions like cities or secure buildings, due to environmental and structural factors that affect signal range.
Innovation Solution
A jamming device with a detection and control system that dynamically adjusts transmission power based on environmental conditions and geographical boundaries, using directional antennas and sensor units to selectively measure and control interference signals within specified areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the jamming transmitter emits high power to ensure reliable jamming, then the jamming effectiveness is improved, but the interference spreads to adjacent areas violating regulatory limits
Solution Approach 1:
The patent applies local quality by making the jamming signal's spatial distribution non-uniform through directional antennas. The antenna directs energy preferentially toward the target area (e.g., prison building) while minimizing radiation in other directions. This creates different signal strengths in different spatial locations, ensuring effective jamming within the facility while reducing interference in adjacent areas to comply with regulatory limits.
Solution Approach 2:
The patent implements dynamics by continuously adapting the jamming transmitter's output power based on real-time monitoring of the radio environment. The system measures signal levels at multiple locations and dynamically adjusts the transmission power to maintain jamming effectiveness inside the facility while keeping external interference below regulatory thresholds. This dynamic adjustment allows the system to respond to changing conditions such as weather, time of day, and surrounding electromagnetic environment.
2Area of stationary object
If the jamming power is increased to cover larger areas, then the coverage range is improved, but the transmission power exceeds specified values beyond limit lines
Solution Approach 1:
The patent applies dimensionality change by transitioning from omnidirectional (360-degree) radiation to directional radiation patterns. Instead of increasing power uniformly in all directions to expand coverage, the system uses directional antennas to concentrate energy in specific directions toward target areas. This effectively expands coverage in desired directions while maintaining lower power levels in other directions, thus covering more relevant areas without exceeding power limits in adjacent zones.
Solution Approach 2:
The patent implements segmentation by dividing the monitoring and control function into multiple spatially distributed measurement points. Instead of a single monitoring location, the system uses multiple receivers positioned at different locations (both inside and outside the facility) to independently measure signal levels. Each measurement point provides localized feedback that contributes to the overall power control decision, enabling precise spatial management of the jamming coverage area.
3Measurement precision
If continuous monitoring at multiple locations is implemented, then the spatial control precision is improved, but the device complexity increases
Solution Approach 1:
The patent applies universality by designing the monitoring receivers to perform multiple functions. The same receiver hardware is used both for measuring the jamming signal strength and for detecting the presence of legitimate communications that might be affected. The control system integrates data from multiple receivers and uses unified control algorithms to adjust transmitter power, thereby achieving precise spatial control without proportionally increasing system complexity through redundant specialized components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures efficient and reliable jamming of target signals within defined geographical limits while minimizing impact on adjacent areas, adhering to regulatory limits and avoiding unnecessary interference.
Implementation Method 1
a detection device for detecting a target signal which is transmitted to at least one communication device
Implementation Method 2
the jammer emits energy in the form of electromagnetic waves and completely or partially superimposes the original waves
Data Source
Figure 1~2
Figure 3
AI summary
In various areas of application, it is desirable to have a jamming apparatus for jamming radio signals which has a high level of geographical limitation and ensures safe jamming of the radio signals. The present application solves this problem by providing a jamming apparatus which comprises the following: at least one detection device for detecting a target signal which is being sent to at least one communication device; at least one jamming device for jamming the target signal using a jamming signal; a control device which is communicatively connected to the jamming device for the purpose of controlling it; wherein the control device controls the at least one jamming device by receiving at least one input signal for determining a transmission power for the jamming device and/or for a communication device. A central concept of the present invention is thus dynamic regulation of the jamming signal. It is therefore possible to ensure efficient jamming of the appliance which is sending the target signal.