Detecting Mobile Network Bypasses in Unsynchronized Communications
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Solution Overview
Problem
Current methods fail to detect bypasses in mobile telephone networks during unsynchronized communications, such as SMS or MMS messages, as they are designed for synchronized communications and result in high detection errors.
Innovation Solution
A method involving the generation and transmission of a message identifier during unsynchronized communications, allowing for the comparison of sender and receiver identifiers to detect bypasses, which includes selecting a test network and using a central site for alerting operators of circumvention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing bypass detection technologies are used for synchronized communications, then detection capability is provided for real-time communications, but detection capability is lost for unsynchronized communications such as SMS or MMS messages
Solution Approach 1:
The system dynamically adapts its detection methodology based on the communication type. For unsynchronized communications, it employs message identifier extraction and comparison, while for synchronized communications it uses traditional caller ID comparison. This dynamic adaptation enables reliable detection across both communication paradigms.
Solution Approach 2:
The invention changes the detection parameters from real-time caller ID comparison to message identifier comparison with time delay tolerance. This parameter change allows the system to detect bypasses in unsynchronized communications where the receiver may not immediately receive or process the message.
2Productivity
If message identifier comparison is performed without precise matching requirements, then detection coverage is improved, but false positives increase due to confusion with legal communications
Solution Approach 1:
The system uses feedback from the message identifier comparison to refine detection accuracy. By comparing the sender identifier in transmission with the sender identifier in reception and analyzing discrepancies, the system can distinguish between intentional bypasses and legitimate communications that may have routing variations.
Solution Approach 2:
The system performs preliminary extraction and recording of message identifiers during message transmission, then compares them against expected values. This preliminary action allows for systematic verification before final detection determination, reducing false positives while maintaining broad detection coverage.
3Reliability
If sender identifier comparison is performed in unsynchronized communications, then bypass detection is enabled, but detection errors increase due to timing discrepancies between transmission and reception
Solution Approach 1:
The message identifier serves as an intermediary element that bridges the timing gap between transmission and reception. Instead of directly comparing real-time identifiers, the system uses the message identifier embedded in the message content as a stable reference point that can be extracted and compared even when there are significant time delays.
Data Source
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AI summary
The invention relates to a method (100) for detecting bypasses of a mobile telephone network (306) during unsynchronized telephone calls. The method involves inserting (102, 108) a unique identifier into the content of an unsynchronized test call, enabling the receiver to identify this test call. A comparison (118) of the sender identifiers during transmission and reception then allows for the detection of a bypass. The invention also relates to a system implementing such a method.