Mobile Station Presence Monitoring via Checking Data Verification
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Solution Overview
Problem
Existing methods for monitoring mobile station presence in special areas lack flexibility, requiring modifications to radio transmitting devices and storing identity codes, which is impractical and insecure, especially in environments with multiple mobile stations.
Innovation Solution
A method where a mobile station receives checking data to determine if it is within a special area defined by distinctive radio signals, allowing the mobile network to associate new special areas without modifying radio transmitting devices, and sending updating signals to adapt operating parameters based on presence, thereby enhancing flexibility and security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the mobile network stores identity codes of mobile stations in radio transmitting devices to monitor presence in special areas, then the monitoring function is achieved, but the device complexity and security risks increase significantly
Solution Approach 1:
The patent extracts the identity code storage function from the radio transmitting devices and relocates it to the mobile stations themselves. Each mobile station stores its own identity code locally, eliminating the need for complex storage infrastructure at radio transmitting devices while maintaining reliable presence monitoring through the checking data mechanism.
Solution Approach 2:
The patent implements a checking data mechanism where the network sends a copy of the mobile station's identity code (checking data) to the radio transmitting device. This copying approach allows the device to verify presence without storing the actual identity code, reducing security risks and device complexity while maintaining monitoring reliability.
2Reliability
If the system modifies radio transmitting devices to store identity codes for presence monitoring, then monitoring capability is provided, but ease of operation and deployment are reduced
Solution Approach 1:
The mobile station performs self-service by storing its own identity code and autonomously determining whether it is in a special area by receiving checking data and comparing it with its stored identity code. This eliminates the need for network operators to modify radio transmitting devices, significantly improving ease of deployment and operation while maintaining monitoring capability.
Solution Approach 2:
The radio transmitting device is designed with universal functionality, receiving checking data from the network and broadcasting it without being modified for specific identity code storage. This multi-functional approach allows the same device to serve multiple mobile stations and special areas without modification, enhancing deployment ease.
3Reliability
If identity codes are stored in radio transmitting devices to prevent fraud, then security is improved, but the quantity of data to be stored and managed increases
Solution Approach 1:
The patent extracts the identity code storage burden from the radio transmitting devices and places it on the mobile stations. Only checking data (a copy or reference) is stored at the radio transmitting device, dramatically reducing the quantity of data that needs to be stored and managed at the network side while maintaining fraud prevention through the checking data verification mechanism.
4Adaptability or versatility
If the system uses checking data instead of storing identity codes, then flexibility to add special areas is improved, but measurement precision of presence detection must be maintained
Solution Approach 1:
The checking data acts as an intermediary between the mobile station's identity code and the radio transmitting device's verification process. This intermediary mechanism allows flexible association of special areas with mobile stations through the network without compromising presence detection accuracy, as the checking data contains sufficient information for precise verification.
Data Source
AI summary
Method for monitoring the presence of a mobile station in at least one special area, wherein a radio communication defining device transmits one radio distinctive defining signal that define the special area by its coverage, the mobile station processes a signal received in order to determine whether or not it is defining signal and more precisely a distinctive one that defines the special area, the mobile station sends an updating signal to a mobile telephone network, the network routes the updating signal to special operating means that adapt the value of an operating parameter. According to the invention, the special area is associated to the mobile station by transmitting to the mobile station a checking data used by the mobile station for determining whether or not the defining signal received is distinctive defining signal.