Jammer-Based Mobile Station Detection in Radio Networks
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Solution Overview
Problem
Existing methods for detecting active mobile stations in specific areas, such as security-relevant locations or aircraft, are inefficient in identifying and addressing devices that pose interference or security risks, as they only target stations registered with specific radio network access points, leaving others undetected and potentially causing disruptions or threats.
Innovation Solution
A method involving the monitoring of mobile station connections with a first network element and activation of a jamming transmitter to redirect communication to a second network element, allowing for the identification and addressing of active mobile stations through a signal or call, enabling quick recognition and potential deactivation without manual search.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mobile stations are allowed to operate freely in security-relevant areas, then communication convenience is improved, but interference and security risks increase
Solution Approach 1:
The system performs preliminary detection of mobile stations in the area before security-critical operations begin. By identifying and flagging active mobile devices in advance, the system enables preventive measures to be taken, such as notifying users to power down devices or preparing security protocols, thereby avoiding interference and security risks during critical operations.
Solution Approach 2:
The patent introduces an intermediary detection system that acts as a mediator between mobile stations and the radio network. This intermediary system detects mobile stations in the area and enables indirect control by preventing them from establishing connections with the radio network, thus reducing interference and security risks while maintaining user awareness through network notifications.
2Device complexity
If detection methods are limited to mobile stations registered with specific radio network access points, then device complexity is reduced, but detection completeness deteriorates
Solution Approach 1:
The detection system is designed with multi-functionality to detect mobile stations regardless of their registration status with specific radio network access points. By implementing universal detection capabilities that work across different network configurations and registration states, the system achieves comprehensive detection coverage without requiring complex integration with multiple network operators' systems.
Solution Approach 2:
The patent segments the detection process into independent components: a detection unit that identifies mobile stations, a determination unit that assesses their status, and a notification unit that communicates with the radio network. This segmentation allows the system to achieve comprehensive detection by combining multiple simpler functional modules rather than relying on a single complex integrated system.
3Measurement precision
If manual monitoring and user cooperation are required to switch off mobile devices, then detection precision is improved, but productivity and time efficiency deteriorate
Solution Approach 1:
The system implements feedback mechanisms where the detection system communicates with the radio network, which then sends notifications back to mobile station users. This automated feedback loop provides users with information about their detected status and prompts them to power down devices, eliminating the need for continuous manual monitoring while maintaining high detection precision through automated notification and user response tracking.
Solution Approach 2:
The patent enables self-service by allowing the system to automatically notify users through the radio network infrastructure without requiring manual intervention from security personnel. Users receive automated notifications on their devices prompting them to power down, and the system automatically tracks compliance, thereby maintaining detection precision while dramatically improving time efficiency and productivity.
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
This approach allows for the simple and cost-effective identification and deactivation of active mobile stations in security-relevant areas, reducing interference and security risks by rerouting communication to a secondary network element that can address and switch off active devices, even if they are not registered with the primary network.
Implementation Method 1
a jammer is activated. The jammer then redirects communication from the active mobile stations
Data Source
Figure 1
AI summary
A communication to radio communication system (FS1) is received over the network element (BS1) over a radio connection (UF) by the mobile station (MS) via radio waves. Another network element (BS2) and jammers (J) are activated for emitting broadband noise signal or jamming signal. The communication of the active mobile stations is redirected to the network element (BS2) through the jammer. The mobile stations are identified by the network element (BS2) and are addressed by signal that indicates that active mobile stations are recognizable.