Dynamic Roaming Configuration for Visitor Terminals
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Solution Overview
Problem
Current roaming technologies in access networks face challenges in dynamically and automatically implementing roaming agreements between operators, leading to connectivity issues for 'visitor' customers, especially in areas where no contract exists or when resources are temporarily unavailable, and lack mechanisms for efficient resource sharing and usage.
Innovation Solution
A method and device for configuring user terminals to attach to any visited network, even without a pre-existing roaming contract, by transmitting configuration parameters and management instructions from the 'home' operator to the visited network, allowing dynamic attachment and resource sharing based on geographical location and temporary resource availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If roaming agreements are implemented manually between operators, then security and administrative control are maintained, but connectivity availability deteriorates when no contract exists or resources are temporarily unavailable
Solution Approach 1:
The system enables automatic roaming configuration where the terminal autonomously discovers available networks and retrieves configuration parameters without manual operator intervention. The terminal independently attaches to visited networks by obtaining PLMN identifiers and configuration data from broadcast channels, eliminating the need for pre-established manual roaming agreements while maintaining secure connectivity.
Solution Approach 2:
The system performs preliminary network discovery and configuration parameter retrieval before actual data transmission begins. The terminal proactively scans for available networks, obtains configuration parameters including PLMN identifiers and access conditions, and prepares attachment procedures in advance, ensuring immediate connectivity when resources become available without waiting for manual agreement implementation.
2Adaptability or versatility
If pre-configured roaming agreements are used, then security control is maintained, but adaptability deteriorates when networks are unavailable or contracts don't exist
Solution Approach 1:
The system dynamically adapts network selection based on real-time availability rather than relying on static pre-configured agreements. The terminal continuously monitors for available networks, dynamically retrieves configuration parameters for newly discovered networks, and adjusts attachment strategies based on current resource availability, enabling flexible connection to any accessible network regardless of pre-existing contracts.
Solution Approach 2:
The system changes configuration parameters dynamically by retrieving updated PLMN identifiers, frequency information, and access conditions from visited networks. The terminal adapts its configuration data based on current network conditions, allowing it to connect to diverse networks with varying parameters without relying on fixed pre-configured roaming agreements, thereby improving both adaptability and connection reliability.
3Productivity
If manual roaming agreement implementation is used, then operator control is maintained, but service deployment speed deteriorates
Solution Approach 1:
The terminal autonomously performs network discovery, configuration parameter retrieval, and attachment procedures without requiring operator intervention for each connection event. This self-service mechanism dramatically accelerates service deployment speed as the terminal independently establishes connectivity to available networks while operators maintain overarching control through defined security policies and configuration parameter structures.
Solution Approach 2:
The system performs preliminary configuration parameter retrieval and network discovery actions automatically, preparing attachment data in advance before actual connection is needed. This preliminary automation enables rapid service deployment when networks become available while operators retain control by pre-defining the configuration parameter formats and security policies that guide the automated process.
Data Source
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AI summary
The invention relates to a method for configuring a terminal (31) of a client user of an operator managing a first communications network (2). The method is implemented prior to the attachment of the terminal (31) to a second communications network (1), for which transmission resources are temporarily used for routing data from the terminal (31) to a remote server (32), the method comprising a step of receiving, from a control entity of the first network (2), a management instruction relating to the attachment of the terminal (31) to the second network (1) for a geographical zone. The method further comprises a step of configuring a data item relating to the control of the attachment of the terminal (1) on the basis of the received management instruction, and a step of transmitting, to the at least one terminal (31), at least one configuration parameter for attaching the terminal (31) to the second network (1).