Drone Defense Jammer and Radio Detector Coordination
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Solution Overview
Problem
Existing drone defense systems require a technical connection between tracking and jamming transmitters to coordinate interference and monitoring, limiting their ability to simultaneously monitor and disrupt control signals effectively, as they cannot operate independently and must share the same frequency range.
Innovation Solution
A drone defense system where a radio detector automatically detects interruptions in jamming signals to detect and intercept control signals, allowing for independent operation without a connection to the jammer, enabling spatial separation and lower power consumption, with the radio detector being mobile and the jammer stationary, and using GPS spoofing to redirect drones without altering control signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the jammer continuously transmits jamming signals to disrupt drone control, then the drone cannot receive legitimate control signals, but the system cannot simultaneously detect and intercept control signals in the same frequency range
Solution Approach 1:
The jammer transmits jamming signals in periodic pulses rather than continuously, creating time windows where the radio detector can detect control signals. This periodic on-off cycling of the jammer allows both disruption and detection functions to operate without requiring physical connection between devices.
Solution Approach 2:
The system separates the jamming function and detection function into independent devices that operate autonomously. The jammer handles signal disruption while the radio detector handles signal interception, with coordination achieved through temporal segmentation rather than continuous physical linkage.
2Reliability
If the jammer and radio detector are physically connected to coordinate jamming and monitoring, then the system can synchronize operations, but the system complexity increases and mobility is reduced
Solution Approach 1:
The radio detector independently identifies time windows when the jammer is not transmitting, allowing it to autonomously detect control signals without requiring continuous coordination or physical connection to the jammer. Each device operates independently using its own detection capabilities.
Solution Approach 2:
The system uses temporal patterns as an intermediary mechanism to coordinate operations between jammer and detector without physical connection. The detector identifies jammer transmission patterns through electromagnetic field detection, using these temporal markers to synchronize detection with jamming cycles.
3Device complexity
If the radio detector is stationary like the jammer, then the system structure is simplified, but the detector cannot be positioned closer to the drone for better detection
Solution Approach 1:
The system allows the radio detector to be mobile while the jammer remains stationary, creating dynamic detection capability without complicating the overall system architecture. The detector can be positioned optimally for detecting specific drones while maintaining operational simplicity.
4Reliability
If both jammer and detector use high power for continuous operation, then the system can maintain constant surveillance and interference, but the power consumption increases significantly
Solution Approach 1:
The radio detector operates periodically, activating only during time windows when the jammer is not transmitting. This intermittent operation significantly reduces power consumption while maintaining effective surveillance capability during the necessary detection periods.
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
Enables simultaneous monitoring and interference with drone control signals without a wired or wireless connection, allowing precise drone positioning and redirection, with the jammer adjusting its interference based on detected signal information, effectively taking control of the drone without the original transmitter's knowledge.
Implementation Method 1
Jammers are used to disrupt the control signals between a transmitter and a drone
Implementation Method 2
it is desirable in such a system to continuously detect the drone's precise position and, if necessary, intercept control signals
Implementation Method 3
the radio detector includes a radio direction finder receiver configured to determine the position of the drone and/or the position of a transmitter that sends out the radio control signals
Data Source
Figure 1~2
AI summary
The invention relates to a drone defense system comprising at least one jammer and at least one radio detector, wherein the jammer is configured to transmit a jamming signal over a frequency range, and the radio detector is configured to detect a radio control signal of a drone, wherein the frequency range of the jamming signal comprises a carrier frequency of the radio control signal or a GPS signal, wherein the jammer is configured to temporarily interrupt the jamming signal, and the radio detector is configured to receive the jamming signal, detect the interruptions, and detect the radio control signal of the drone within the interruptions of the jamming signal.