RAT-Specific Routing for Multi-Mode Mobile Devices

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Solution Overview

Problem

Multi-mode mobile devices face challenges in seamlessly switching between different radio access technologies (RATs) due to the lack of efficient routing information management, leading to suboptimal data processing and communication across varying networks.

Innovation Solution

Implementing a mobile device with RAT-specific routing information repositories and a routing information configuration server that determines and outputs appropriate routing information for each supported RAT, allowing the device to select and use the correct routing information for optimal communication across different radio access technologies.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a multi-mode mobile device supports multiple radio access technologies (RATs), then the device's adaptability and versatility are improved, but the device complexity increases due to the need to manage routing information for each RAT

Engineering Contradiction:
Improvemulti-RAT supportVSAvoidrouting information management
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The routing information management system is segmented into separate RAT-specific routing information repositories within the mobile device and corresponding routing information generators at the network side. Each RAT (e.g., GSM, WCDMA, LTE) has its own dedicated routing information storage and generation mechanism, allowing independent management of routing parameters for each technology while reducing the complexity of managing all RATs simultaneously through modular organization.

Inventive Principle:
Principle #1Segmentation

2Device complexity

If routing information is managed centrally for all RATs, then the device complexity is reduced, but the reliability of RAT-specific routing optimization deteriorates

Engineering Contradiction:
Improverouting management structureVSAvoidRAT-specific routing optimization
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The system implements local quality by creating RAT-specific routing information repositories that store routing parameters optimized for each particular radio access technology. The routing information generator at the network side generates RAT-specific routing information tailored to the current network conditions and the mobile device's capabilities. This ensures that each RAT receives optimized routing information appropriate to its specific requirements while maintaining a unified management architecture.

Inventive Principle:
Principle #3Local quality

3Adaptability or versatility

If the mobile device stores all possible RAT-specific routing information, then the adaptability to different network environments is improved, but the loss of information increases due to storage requirements and potential obsolescence

Engineering Contradiction:
Improvenetwork environment adaptabilityVSAvoidrouting information validity
Core Design Contradiction:
Adaptability or versatilityVSLoss of information

Solution Approach 1:

The system performs preliminary action by pre-configuring the mobile device with routing information repositories that can store multiple RAT-specific routing information sets. The routing information generator proactively generates and updates routing information based on current network conditions before the mobile device needs to switch RATs. This ensures that relevant routing information is already available and valid when needed, reducing information loss during network transitions.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS8774805B2System and method for radio access technology-specific routing for multi-mode mobile devices
Publication Date: 2014.07.08 MALIKIE INNOVATIONS LTD
  • US8774805B2 patent drawing
  • US8774805B2 patent drawing
  • US8774805B2 patent drawing

AI summary

Systems and methods for radio access technology specific routing for multi-mode mobile devices are provided. For each of a number of radio access technologies supported by a mobile device, the mobile device is configured to use respective routing information. This has the advantage of allowing radio access technology specific processing to be performed.