Network Manager for Dual-SIM Automatic Subscription Selection

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Solution Overview

Problem

Dual-SIM devices require manual user intervention to switch between LTE subscriptions for data communication, which is slow and inconvenient when a poor network connection is encountered, as only one subscription is typically active for data use at a time.

Innovation Solution

Implementing a network manager in dual-SIM devices to determine network performance parameters such as bandwidth and connectivity for each subscription, automatically associating applications with the most capable network for data communication, ensuring seamless data transfers without user intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual user intervention is used to switch between LTE subscriptions, then the device can maintain simple system architecture, but the switching speed and user experience deteriorate when poor network connection is encountered

Engineering Contradiction:
ImproveAutomatic network switchingVSAvoidSystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The network manager automatically monitors network performance parameters and switches between LTE subscriptions without user intervention. The system self-manages the network selection process by evaluating bandwidth, connectivity, and other performance metrics to determine the optimal network for each application, eliminating the need for manual user switching while maintaining system functionality.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The network manager proactively monitors network performance parameters and pre-evaluates available networks before data transfer issues occur. By continuously assessing network conditions and maintaining readiness to switch subscriptions, the system performs the switching action in advance or at the optimal moment, preventing poor network connection experiences rather than reacting after problems arise.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If only one LTE subscription is active for data communication, then the device complexity is reduced, but the productivity and data transfer speed deteriorate when the active network has poor performance

Engineering Contradiction:
ImproveData transfer speedVSAvoidNetwork management complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system dynamically switches between different LTE subscriptions based on real-time network performance conditions. Instead of maintaining a fixed single-active-subscription configuration, the network manager continuously evaluates network parameters and adaptively changes which subscription is active for data communication, allowing the system to optimize data transfer speed according to current network conditions while managing complexity through automated decision-making.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The network manager changes the operational state of LTE subscriptions based on monitored performance parameters. When network performance metrics such as bandwidth or connectivity deteriorate below acceptable thresholds, the system changes the active subscription parameter to alternative LTE subscriptions with better performance, thereby maintaining high productivity without requiring complex manual intervention.

Inventive Principle:
Principle #35Parameter changes

3Loss of time

If manual network switching is implemented, then the device architecture remains simple, but the time required for network switching and user convenience deteriorate

Engineering Contradiction:
ImproveNetwork switching timeVSAvoidAutomatic network selection
Core Design Contradiction:
Loss of timeVSExtent of automation

Solution Approach 1:

The network manager implements continuous feedback monitoring of network performance parameters including bandwidth, connectivity, and other quality metrics. This feedback loop enables the system to detect deteriorating network conditions in real-time and automatically initiate switching to alternative LTE subscriptions without user intervention, significantly reducing the time loss associated with network switching while implementing comprehensive automation.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces the manual mechanical switching process (user pressing buttons to switch networks) with an automated electronic control system. The network manager uses software-based monitoring and control to automatically evaluate network conditions and switch subscriptions, eliminating the need for physical user interaction and reducing switching time from manual operation to automated instantaneous response.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS10873902B2Network association based on network performance capabilities
Publication Date: 2020.12.22 MOTOROLA MOBILITY LLC
  • US10873902B2 patent drawing
  • US10873902B2 patent drawing
  • US10873902B2 patent drawing

AI summary

In aspects of network association based on network performance capabilities, a device includes a first subscriber identity module (SIM) to enable a first subscription for data communication between the device and data communication networks, and includes a second SIM to enable a second subscription for additional data communication between the device and the data communication networks. The device implements a network manager to determine network data parameters that indicate performance capabilities of the data communication networks. The network manager can associate a first application of the device with a first network of the data communication networks that has a greater performance capability for a data streaming download based on the network data parameters. The network manager can also associate a second application of the device with a second network of the data communication networks for an interactive session of intermittent data communications based on the network data parameters.