IMS Control Device Location Verification
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Solution Overview
Problem
Conventional IP Multimedia Subsystem (IMS) architectures face challenges in ensuring that multimedia content is accurately provided to user equipment based on its operational conditions, leading to inefficient service provisioning.
Innovation Solution
A control device and method within the IMS system that receives location information from user equipment, verifies it against spatial criteria associated with applications, and controls the provisioning of applications accordingly, enabling location-specific content delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional IMS architectures are used for service provisioning, then the system maintains general compatibility and standard operation, but the accuracy of matching multimedia content to user equipment operational conditions deteriorates
Solution Approach 1:
The patent applies preliminary action by pre-defining spatial criteria (geofences) and associating them with specific applications and multimedia content before the user equipment actually needs them. The HSS stores these pre-configured spatial criteria in user profiles, so when the UE enters a predefined spatial area, the matching application is immediately available without requiring complex real-time analysis of operational conditions.
Solution Approach 2:
The patent implements local quality by making service provisioning location-specific rather than uniform. Different spatial areas have different associated applications and content tailored to local characteristics. The S-CSCF verifies the UE's current location against stored spatial criteria and provides locally-relevant services, ensuring that multimedia content matches the specific operational context of each location.
2Adaptability or versatility
If location-based service provisioning is implemented, then the relevance of multimedia content to user equipment location is improved, but the complexity of verifying and controlling service delivery increases
Solution Approach 1:
The patent uses the S-CSCF as an intermediary between the HSS and the UE. The S-CSCF receives the UE's location information, automatically verifies it against the spatial criteria stored in the HSS, and controls the provisioning of applications accordingly. This intermediary approach simplifies the overall system by centralizing the verification logic in the existing S-CSCF, which already handles SIP signaling, rather than requiring complex verification mechanisms at multiple points in the architecture.
3Measurement precision
If spatial criteria verification is performed for each service request, then the precision of service matching is improved, but the processing time and network traffic increase
Solution Approach 1:
The patent applies preliminary action by pre-configuring spatial criteria and associated applications in the HSS before runtime operations. The initial filter criteria (iFC) are stored in advance with their corresponding spatial areas and application identifiers. When a service request occurs, the S-CSCF only needs to compare the current location against these pre-defined criteria rather than performing complex analysis, significantly reducing processing time while maintaining high precision matching.
Data Source
AI summary
A control device (104) for controlling communication in an Internet Protocol Multimedia Subsystem IMS (150) coupling a user equipment (160, 162, 164) and an application provider (170, 172, 174) providing an application, the control device (104) comprising a receiving unit (190) adapted for receiving location information indicative of a location of the user equipment (160, 162, 164), a verification unit (192) adapted for verifying if the received location information matches a spatial area and a spatial condition in relation to the spatial area, wherein the spatial area and the spatial condition are part of a control criterion being associated with the application of the application provider (170, 172, 174), and a control unit (194) adapted for controlling a provisioning of the application to the user equipment (160, 162, 164) according to a result of the verification unit (192).