Dynamic Mobile Network Offloading to Wi-Fi
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Solution Overview
Problem
Mobile network operators face challenges in managing traffic congestion and ensuring user experience while maintaining revenue through data volume charging, as existing solutions lack dynamic control over network offloading to Wi-Fi networks, especially in real-time scenarios and for backward-compatible devices.
Innovation Solution
An apparatus and method that monitor network conditions, enabling dynamic offloading to a secondary network by triggering Wi-Fi hotspots when congestion occurs, using multiple SSIDs and device management to automatically switch users to Wi-Fi when mobile networks are congested, while ensuring backward compatibility and minimizing user effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If operators use Wi-Fi networks to complement mobile networks for carrying larger traffic volumes, then network capacity and cost efficiency are improved, but dynamic control over real-time offloading is lost
Solution Approach 1:
The patent implements a feedback mechanism where the system continuously monitors network conditions (congestion levels, signal quality) and automatically adjusts offloading decisions in real-time. The network element receives status information about Wi-Fi network conditions and mobile network load, then dynamically controls the offloading of user equipment between networks based on current conditions, ensuring both high capacity utilization and adaptive control.
Solution Approach 2:
The system transitions from static offloading configurations to dynamic real-time control by continuously monitoring network conditions and adjusting offloading decisions. The network element can change offloading parameters on-the-fly based on detected congestion levels, signal quality metrics, and Wi-Fi network status, making the system adaptable to changing network conditions while maintaining high productivity.
2Quantity of substance
If operators charge users based on data volume on mobile network, then revenue is improved, but user experience deteriorates during congested conditions
Solution Approach 1:
The patent introduces Wi-Fi networks as an intermediary resource to relieve congestion on the mobile network. When the mobile network becomes congested, the system automatically offloads user equipment to available Wi-Fi networks, maintaining service quality and user experience. This intermediary approach allows operators to continue charging for mobile data volume while providing an alternative path for traffic during congestion, thus preserving both revenue streams and user satisfaction.
Solution Approach 2:
The system dynamically changes network selection parameters based on congestion detection. When mobile network congestion is detected above threshold levels, the system modifies offloading parameters to redirect traffic to Wi-Fi networks. This parameter adjustment maintains acceptable service quality for users during high-load conditions while preserving the ability to charge for mobile data usage, effectively decoupling revenue generation from user experience quality during congestion events.
3Ease of operation
If manual Wi-Fi network selection is implemented, then user control is improved, but operator control and automation are reduced
Solution Approach 1:
The patent implements self-service automation where the network system automatically monitors conditions and performs offloading decisions without requiring manual user intervention. The network element continuously detects congestion levels and automatically controls the switching of user equipment between mobile and Wi-Fi networks based on pre-configured policies and real-time conditions, eliminating the need for users to manually select networks while maintaining high operator control through automated decision-making.
Solution Approach 2:
The system uses feedback loops to automatically adjust offloading decisions based on monitored network conditions. The network element receives continuous status information about mobile network congestion and Wi-Fi network availability, then automatically modifies offloading behavior in real-time without user intervention. This feedback-driven automation maintains strong operator control through policy-based decision-making while eliminating manual user control, achieving high automation levels with embedded intelligence.
4Ease of operation
If ANDSF is used for Wi-Fi network selection control, then operator control over network selection is improved, but real-time responsiveness and device compatibility are reduced
Solution Approach 1:
The patent introduces a new network element as an intermediary that sits between the core network and user equipment to handle real-time offloading control. This intermediary element processes network condition information and control messages locally, enabling real-time automated decisions about Wi-Fi offloading without requiring continuous communication with remote ANDSF servers. This architecture maintains operator control through centralized policy management while achieving real-time responsiveness through distributed local decision-making.
Solution Approach 2:
The system shifts the control architecture from a single centralized ANDSF server model to a distributed multi-dimensional approach. Remote ANDSF servers provide high-level policy guidance, while local network elements execute real-time automated decisions based on local conditions. This dimensional change enables both operator control through policy frameworks and real-time responsiveness through local automated execution, resolving the speed-control tradeoff by operating at multiple levels simultaneously.
Data Source
AI summary
It is provided an apparatus, comprising monitoring means adapted to monitor a state of a first network element of a first radio access network; detecting means adapted to detect if the state fulfills a condition; enabling means adapted to enable, if the state fulfills the condition, that a user equipment having interfaces for attaching to the first network element and for attaching to a second network element of a second radio access network different from the first radio access network, may attach to the second network element.