Location-Based Roaming Restriction for Border Wireless Networks
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Solution Overview
Problem
Wireless subscribers experience unfair roaming charges and network congestion due to automatic transfers between overlapping networks across country borders, necessitating methods to prevent roaming onto foreign networks based on geographic location and dynamically update restrictions in real time.
Innovation Solution
Implementing a location tracking system that determines temporary roaming restrictions for user equipment devices near borders, using geographic location data to keep devices on their native network, and updating these restrictions in real time to minimize network overhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If automatic roaming transfer is implemented between overlapping networks across country borders, then network coverage and service availability are improved, but subscribers incur unfair roaming charges and network congestion occurs
Solution Approach 1:
The patent applies local quality by implementing location-specific roaming restrictions. The system determines the geographic location of user equipment and applies different roaming policies based on location: within home country (restrict roaming), in foreign country (allow roaming). This resolves the contradiction by making the network behavior spatially variable, providing good coverage through selective roaming while preventing unfair charges through location-based control.
Solution Approach 2:
The patent implements dynamic roaming restrictions that change in real-time based on user equipment location. The system continuously monitors GPS coordinates and dynamically updates roaming permission status. This dynamic approach allows the network to adapt to changing conditions, maintaining service availability when needed while preventing unfair roaming charges when the device is in the home country, thus resolving the technical contradiction.
2Object-affected harmful factors
If roaming restrictions are implemented based on geographic location, then unfair roaming charges are prevented, but location tracking and real-time updates increase network overhead
Solution Approach 1:
The patent applies partial action by implementing location tracking only for user equipment in border areas where network overlap occurs. The system identifies devices in geographic regions prone to roaming issues and applies location monitoring selectively to these devices rather than all network users. This reduces network overhead significantly while still preventing unfair roaming charges for the affected population.
Solution Approach 2:
The system utilizes the device's own GPS location capabilities to determine position, rather than requiring continuous network-based location tracking. The user equipment self-reports its location to the network, reducing the burden on network infrastructure. This self-service approach prevents unfair roaming charges while minimizing network overhead for location tracking.
3Productivity
If continuous location monitoring is performed for all user equipment, then roaming restrictions can be dynamically updated in real time, but network congestion and overhead increase significantly
Solution Approach 1:
The patent implements location monitoring only in specific geographic zones where roaming issues occur (border areas with network overlap). The system identifies border region coordinates and activates location reporting only when user equipment enters these zones. This localized approach enables real-time roaming restriction updates where needed while keeping network traffic minimal in areas without roaming problems.
Solution Approach 2:
The system performs location monitoring partially - only for devices in border areas and only when roaming decisions are needed. The network sends location update requests selectively rather than continuously to all devices. This partial monitoring achieves real-time roaming control in critical areas while significantly reducing overall network traffic and overhead.
Data Source
AI summary
The present invention relates to methods and apparatus for preventing roaming of user equipment on a first wireless network. An exemplary embodiment includes the steps of: receiving, at a location tracking device of a first wireless network, geographic location information for a user equipment device connected to a first wireless base station of the first wireless network; determining, by the location tracking device, whether or not to restrict the user equipment device from roaming to a second wireless network based on the received geographic location information; and when the determination is to restrict the user equipment device from roaming to the second wireless network, communicating a temporary roaming restriction instruction to the user equipment device, the temporary roaming restriction instruction when implemented by the user equipment device restricting the user equipment device from roaming to the second wireless network.