HLR IP-MSC Feature Activation for Dual Network Registration
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Solution Overview
Problem
Current mobile communication systems are limited in their ability to seamlessly register and manage mobile stations across both circuit switched and IP-based networks, hindering the provision of unified network services as users access either type of network.
Innovation Solution
A method is introduced where a registration node receives a Feature Request Message to activate features for connections to non-circuit switched networks, enabling service requests to be routed through a switching node associated with the IP-based network, utilizing an IMS subsystem for IP-MSC feature activation, and managing registrations within a home location register to support both network types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the mobile station registers only with a traditional MSC in circuit switched network, then the registration process is simple and reliable, but the system cannot support seamless access to both circuit switched and IP-based networks
Solution Approach 1:
The patent merges the traditional MSC registration function with a new IP-MSC registration function into a unified HLR system. The HLR now handles both circuit switched and IP-based network registrations simultaneously, allowing mobile stations to be registered with multiple network types through a single centralized register, thereby improving adaptability while managing complexity through consolidation
Solution Approach 2:
The HLR is enhanced to perform multiple functions: it serves as both the traditional MSC registration point for circuit switched networks and the IP-MSC registration point for IP-based networks. This multi-functional capability allows the system to support diverse network access types without requiring separate registration systems for each network type
2Adaptability or versatility
If the system supports registration with both circuit switched and IP-based networks, then network access versatility is improved, but the service routing and management complexity increases
Solution Approach 1:
The HLR acts as an intermediary between the mobile station and both circuit switched and IP-based networks. It receives service requests, determines the appropriate network type based on registration status, and routes requests to the correct MSC or IP-MSC. This intermediary function simplifies service routing by centralizing the decision-making logic in the HLR rather than requiring complex routing mechanisms throughout the network
Solution Approach 2:
The system performs preliminary registration actions with both circuit switched MSC and IP-MSC before service requests are made. By pre-establishing registration status in the HLR for both network types, the system prepares routing information in advance, enabling fast and simple service request handling without requiring complex real-time routing decisions
3Adaptability or versatility
If traditional registration methods are used in circuit switched network, then registration reliability is maintained, but the system cannot activate IP-MSC features independently
Solution Approach 1:
The registration process is segmented into separate functional components: traditional MSC registration for circuit switched networks and independent IP-MSC registration for IP-based networks. Each registration type can be activated or deactivated independently through feature request messages, allowing flexible IP-MSC feature activation while maintaining the reliability of traditional circuit switched registration through separate, proven registration mechanisms
Data Source
AI summary
A method for managing services for a network service provider includes the steps of receiving a Feature Request Message from a switching node associated with a mobile station within a non-circuit switched network at a registration node. The Feature Request Message includes a code for activating a feature within the registration node enabling connections to the non-circuit switched network. A service request is received for providing a network service to the mobile station at the registration node. The service request is routed to the switching node associated with the non-circuit switched network responsive to the feature within the registration node enabling connection to the non-circuit switched network being activated.