Classmark-Based UE Type Identification in Wireless Networks
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Solution Overview
Problem
Conventional methods for identifying user equipment (UE) devices connected to wireless networks, relying on International Mobile Equipment Identity (IMEI), have become unreliable due to the ability of fraudulent actors to change IMEI numbers, necessitating a new approach to accurately determine UE types without IMEI.
Innovation Solution
A system and method that utilize a single characteristic indicator, specifically Classmark data from protocol signaling messages, to identify UE devices connected to a wireless network, generating a unique identifier for each type of device without relying on IMEI.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If IMEI numbers are used to identify UE devices, then device identification is straightforward and reliable, but fraudulent actors can change IMEI to avoid detection, making identification unreliable
Solution Approach 1:
The patent extracts the identification problem from reliance on IMEI (which can be changed) and isolates the Classmark information as the sole basis for identification. By taking out the vulnerable IMEI dependency and focusing only on the immutable Classmark characteristics, the system achieves reliable identification that cannot be manipulated by fraudsters changing device identities.
Solution Approach 2:
The patent introduces Classmark information as an intermediary identifier between the UE device and the network system. Instead of directly using IMEI for identification, the system uses Classmark as a mediator that provides stable, immutable device type information that cannot be changed by the user, thus resolving the reliability issue while maintaining identification functionality.
2Measurement precision
If multiple characteristic indicators are used to identify UE devices, then identification accuracy improves, but system complexity and processing overhead increase
Solution Approach 1:
The patent extracts only the essential Classmark information from the protocol signaling messages and uses it as the sole characteristic indicator for identification. By taking out unnecessary multiple indicators and focusing exclusively on Classmark, the system achieves accurate device type identification while minimizing processing complexity and overhead.
Solution Approach 2:
The patent makes the Classmark information universal for all UE device type identification purposes. Instead of using multiple different characteristic indicators for different identification needs, the single Classmark indicator serves all identification functions, thereby reducing system complexity while maintaining comprehensive identification accuracy across different device types.
Data Source
AI summary
A method to identify user equipment devices connected to a wireless network, the method including, at a signaling node, including a non-transitory memory, and one or more processors coupled with the non-transitory memory, receiving a plurality of protocol signaling messages including Classmark from a user equipment device attempting to connect to a wireless network, connecting the user equipment device to the wireless network based on the plurality of protocol signaling messages from the user equipment device, using a single characteristic identification module, generating a single characteristic indicator for each type of user equipment device based on the Classmark; and using the processor coupled to the single characteristic identification module, determining a type of the user equipment device connected to the wireless network by only using the single characteristic indicator.