Wireless Jamming Source Localization in Industrial Networks
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Industrial wireless communication in industrial facilities is vulnerable to jamming attacks, which can severely disrupt production processes and pose safety risks due to the difficulty in detecting and locating malicious interference sources.
Innovation Solution
A method and system that utilize network quality information from multiple network devices to detect degradation in wireless network sections, determine geographical areas affected, and locate interference sources using mobile units like automated guidance vehicles, which can switch modes to detect interference without requiring dedicated hardware.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wireless communication is increased in industrial facilities, then connectivity and productivity are improved, but vulnerability to jamming attacks and security threats worsens
Solution Approach 1:
The system performs preliminary actions by continuously monitoring network quality information and detecting degradation patterns before complete communication failure occurs. The method proactively identifies sections experiencing interference and determines geographical areas at risk, enabling preventive localization of jamming sources before they can severely disrupt production processes.
Solution Approach 2:
The patent introduces mobile units (automated guidance vehicles, robots) as intermediaries that traverse the industrial facility and collect network quality data from multiple locations. These mobile units act as mediators between the wireless network infrastructure and the interference source, enabling indirect detection and localization of jamming attacks without requiring direct confrontation or dedicated detection hardware at every network node.
2Difficulty of detecting and measuring
If traditional jamming detection methods are used, then detection capability is limited, but device complexity and cost increase
Solution Approach 1:
The patent applies universality by enabling existing mobile units (automated guidance vehicles, robots) to perform dual functions: their primary production tasks and secondary interference detection functions. These mobile units utilize their existing wireless communication capabilities, processors, and sensors to detect and report network quality degradation, eliminating the need for dedicated detection hardware and reducing overall system complexity.
Solution Approach 2:
The system implements self-service by having mobile units automatically monitor and report network quality information along their operational routes. The mobile units independently detect degradation patterns, determine their geographical context, and communicate findings to the network management device without requiring manual intervention or specialized detection equipment, thereby simplifying the overall detection architecture.
3Object-generated harmful factors
If reactive jamming techniques are used, then jamming effectiveness is improved, but detectability worsens
Solution Approach 1:
The patent implements feedback mechanisms by continuously collecting network quality information from multiple mobile units traversing different geographical areas. The system analyzes this feedback data to detect patterns of degradation that indicate reactive jamming activities. By monitoring changes in network performance over time and across multiple locations, the system can identify the presence and location of reactive jammers that adapt their behavior based on detected signals.
Solution Approach 2:
The patent transitions from single-point detection to multi-dimensional detection by utilizing mobile units that traverse multiple locations and collect network quality data across different spatial dimensions. This dimensional expansion enables the system to detect reactive jamming patterns that would be invisible to static detectors, as the mobile units sample the electromagnetic environment from multiple perspectives and temporal moments, revealing the adaptive behavior of reactive jammers.
Data Source
AI summary
A method of detecting a malicious interference source in a wireless network in an industrial facility includes receiving network quality information from a plurality of network devices, detecting a degradation in a section of the network based on the network quality information from at least one network device, determining a geographical area associated with the section of the network, and determining a location of the malicious interference source based on measurements of at least one network key performance indicator (KPI) from at least one mobile unit in the geographical area.