On-Demand Roaming Hub for Seamless Cellular Wi-Fi Transition
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Solution Overview
Problem
Current telecommunication systems face challenges in seamlessly managing on-demand roaming across different wireless access technologies, such as cellular and Wi-Fi, especially when users move out of their subscribed service areas, leading to limitations in accessing available wireless resources.
Innovation Solution
The implementation of an on-demand roaming system that allows user devices to detect available third-party access points, request roaming services through AAA servers, and negotiate access agreements with third-party service providers, using existing subscription and partnership frameworks to authorize and configure access to wireless resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pre-existing roaming agreements are used for inter-operator roaming, then roaming between service providers is enabled, but the system complexity increases due to multiple bilateral agreements and AAA servers
Solution Approach 1:
The patent merges multiple roaming agreements and AAA servers into a single centralized roaming hub that consolidates authentication, authorization, and accounting functions. This hub receives roaming requests from multiple service providers and coordinates access to third-party networks, reducing the need for numerous bilateral agreements and simplifying the overall roaming architecture.
Solution Approach 2:
The roaming hub is designed as a universal infrastructure that handles multiple types of roaming scenarios (inter-operator, intra-operator, technology-agnostic roaming) through a single platform. It provides multi-functional capabilities including authentication, authorization, accounting, and network selection across different connectivity technologies (cellular, Wi-Fi, satellite) without requiring separate systems for each scenario.
2Adaptability or versatility
If users roam outside subscribed service areas, then access to more wireless resources is possible, but seamless connectivity is compromised due to lack of pre-existing agreements
Solution Approach 1:
The system performs preliminary actions by establishing a framework of roaming agreements between service providers and the roaming hub before users need to roam. Authentication credentials and authorization policies are pre-configured in the hub, allowing users to seamlessly access third-party networks outside their subscribed areas without real-time negotiation or manual configuration.
Solution Approach 2:
The roaming hub acts as an intermediary between users and third-party networks, mediating authentication and authorization requests. When a user roams outside their subscribed area, the hub intermediates the connection by verifying credentials against pre-established agreements and coordinating with the target network, ensuring seamless connectivity without requiring direct bilateral agreements between the user's provider and every possible third-party network.
3Adaptability or versatility
If technology-agnostic roaming is implemented, then roaming across different connectivity technologies is enabled, but the complexity of managing heterogeneous access technologies increases
Solution Approach 1:
The patent segments the complex task of cross-technology roaming management into distinct functional modules within the roaming hub: authentication module, authorization module, accounting module, and network selection module. Each module handles specific aspects of roaming independently, allowing the system to manage heterogeneous technologies (cellular, Wi-Fi, satellite) through standardized interfaces without requiring complex integrated logic for each technology combination.
Data Source
AI summary
A solution to provide on-demand roaming service to a user device. An available third-party wireless access point is detected. In a case the roaming user device is not authorized to access the detect third-party access point due to the existing subscription to home service provider and/or lack of roaming agreement between home service provider and the detected third-party access point, an on-demand roaming arrangement will be negotiated to enable the user device to access wireless resources associated with the third-party access point.