Wireless Device Network Jamming Detection
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Solution Overview
Problem
Current methods for combating network jamming in cellular networks, such as frequency hopping and diversity mechanisms, negatively impact system efficiency and are impractical due to the scarcity of radio spectrum, making it difficult to effectively detect and prevent jamming.
Innovation Solution
A method and system for detecting network jamming by monitoring abnormal signals in wireless devices and network nodes, which report unusual transmissions not associated with known pilot signals or containing errors, allowing for the identification of jamming activity without directly preventing it, enabling authorities to take action.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If frequency hopping or diversity mechanisms are employed to combat network jamming, then resilience against jamming is improved, but spectrum efficiency and system capacity deteriorate
Solution Approach 1:
The patent implements preliminary detection of jamming conditions by monitoring abnormal signals before deploying anti-jamming mechanisms. The network node detects jamming through measurements of abnormal signals from wireless devices, then selectively activates frequency hopping or diversity mechanisms only in affected areas and time periods, rather than continuously across the entire network
Solution Approach 2:
The patent applies anti-jamming mechanisms locally rather than globally. The network node identifies specific geographic areas or frequency bands experiencing jamming through abnormal signal detection, and applies frequency hopping or diversity mechanisms only to those specific locations, leaving other areas to operate with normal, more efficient configurations
2Reliability
If frequency hopping or diversity mechanisms are employed to combat network jamming, then resilience against jamming is improved, but device complexity and resource consumption worsen
Solution Approach 1:
The system performs preliminary detection of jamming conditions through monitoring abnormal signals. The network node receives measurements from wireless devices about abnormal signals and determines whether jamming is present before activating complex anti-jamming mechanisms, thereby avoiding unnecessary complexity in normal operating conditions
Solution Approach 2:
The patent implements anti-jamming mechanisms partially rather than fully. Instead of always employing frequency hopping or diversity mechanisms across all transmissions, the system applies them only to specific transmissions affected by detected jamming, reducing overall device complexity and resource consumption while maintaining resilience where needed
Data Source
AI summary
A method in a wireless device comprises monitoring one or more aspects of signaling with a network for abnormal signals indicative of network jamming. The method comprises detecting, based on the monitored one or more aspects of signaling with the network, one or more abnormal signals indicative of network jamming.