Wireless Mobility Management via Selective GTP Tunneling

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Solution Overview

Problem

Current wireless networks implement mobility management settings on a network-wide basis, leading to substantial overhead burdens and inefficient resource utilization, as they rely on GTP tunneling which is not necessary for all devices or applications.

Innovation Solution

The solution involves dynamically programming network elements to address mobility management on an individual basis for wireless devices and their applications, allowing for different mobility techniques to be used based on device type, application requirements, and context information.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If GTP tunneling is used for mobility management, then IP address continuity is preserved during handover, but network overhead and resource consumption increase substantially

Engineering Contradiction:
ImproveIP address continuityVSAvoidnetwork overhead
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The patent applies local quality by differentiating mobility management approaches based on device characteristics and application requirements. Instead of uniformly applying GTP tunneling to all devices, the system selectively applies tunneling only where needed (for mobile devices requiring IP continuity) while using simpler IP reassignment for stationary devices, thereby reducing overall network overhead while maintaining reliability where required.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system dynamically determines whether to apply GTP tunneling or alternative mobility management based on real-time assessment of device mobility patterns, application requirements, and network conditions. This dynamic approach allows the network to adaptively switch between tunneling and non-tunneling modes, optimizing the balance between IP continuity and resource consumption.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If GTP tunneling is applied network-wide, then all devices maintain IP address during mobility, but network complexity and processing burden increase

Engineering Contradiction:
Improvemobility supportVSAvoidnetwork complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the network into different mobility management domains based on device types and service requirements. It introduces separate mobility management entities that can independently determine whether to apply GTP tunneling or alternative methods, thereby reducing overall network complexity while maintaining versatile mobility support for different device categories.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system changes the mobility management parameter (tunneling vs. non-tunneling) based on device characteristics, application requirements, and network conditions. This parameter-based differentiation allows the network to provide adaptable mobility support without imposing uniform complexity across all network elements.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If tunneling is used for all devices, then seamless handover is ensured, but resource efficiency decreases for stationary devices

Engineering Contradiction:
Improvehandover continuityVSAvoidresource efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent enables devices to self-identify their mobility characteristics and service requirements, allowing the network to automatically select the appropriate mobility management method. Stationary devices can opt out of tunneling mechanisms, thereby improving resource efficiency while mobile devices continue to receive seamless handover support through selective tunneling application.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP4195725B1Mobility management for wireless networks
Publication Date: 2025.02.26 ALCATEL LUCENT SA
  • EP4195725B1 patent drawingFigure 1
  • EP4195725B1 patent drawingFigure 2
  • EP4195725B1 patent drawingFigure 3

AI summary

Systems and methods for mobility management in wireless networks. One method includes identifying a mobility profile for a wireless device, selecting a first active mobility setting and a first idle mobility setting from the mobility profile, and determining instructions for network elements to engage in mobility management for a wireless device in an active state. The method also includes determining instructions for network elements to engage in mobility management for the wireless device in an idle state. Further, the method includes providing instructions to network elements in accordance with the first active mobility setting when the wireless device is in the active state, and providing instructions to network elements in accordance with the first idle mobility setting when the wireless device is in the idle state.