Common User Plane Data Endpoint for 5G IoT Network Switching

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Solution Overview

Problem

In the context of 5G communication systems, there is a need to reduce signaling overhead and access delay for low-mobility user equipment (UE) with small, discontinuous data transmissions, while ensuring data continuity and business continuity as UE moves between network systems, especially in scenarios where dual attachment to multiple networks is required.

Innovation Solution

A method and apparatus for data transport control between wireless network systems, where a first node determines whether predetermined conditions are met and transmits data transport command information and user equipment access information to manage data transport starting, stopping, or switching between networks, utilizing a common user plane data endpoint for dual attachment, thereby maintaining data continuity and reducing signaling overhead.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional network switching mechanisms are used for UE movement between networks, then data continuity can be maintained, but signaling overhead increases and access delay increases

Engineering Contradiction:
Improvedata continuityVSAvoidaccess delay
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-establishing a common user plane data endpoint before the UE actually needs to switch networks. This endpoint is configured in advance with necessary routing information and data buffers, so when network switching is triggered, data can be immediately redirected without waiting for full re-establishment procedures, thereby reducing access delay while maintaining data continuity.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The common user plane data endpoint serves as an intermediary element between the UE and the core network. It acts as a temporary data relay point that receives data from one network and forwards it to another network, enabling smooth transitions during UE mobility without requiring direct complex coordination between multiple network nodes, thus reducing signaling overhead.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If dual attachment to multiple networks is implemented, then data continuity is maintained during UE movement, but signaling overhead increases

Engineering Contradiction:
Improvedata continuityVSAvoidsignaling overhead
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the functions of multiple network nodes into a single common user plane data endpoint. Instead of having separate data handling mechanisms for each network attachment, all data routing decisions and data buffers are consolidated at this shared endpoint, which manages data traffic for both network attachments uniformly, thereby reducing signaling overhead while supporting dual attachment for data continuity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The common user plane data endpoint is designed with universal functionality to handle data traffic from multiple network attachments simultaneously. It can identify which network the UE is currently attached to and route data accordingly, providing a single multi-functional component that replaces what would otherwise require multiple specialized components, thus reducing overall system complexity and signaling overhead.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If frequent network switching is allowed for low-mobility UE, then network adaptability is improved, but signaling overhead increases significantly

Engineering Contradiction:
Improvenetwork adaptabilityVSAvoidsignaling overhead
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The common user plane data endpoint implements self-service capabilities by automatically detecting UE attachment status changes and initiating data routing adjustments without requiring complex manual signaling protocols. The endpoint monitors its own state and the network state, making intelligent decisions about data buffering and routing based on pre-configured policies, thereby enabling frequent network switching for low-mobility UE while minimizing signaling overhead through automated operations.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS11818679B2Method and apparatus for data transport control between wireless network systems
Publication Date: 2023.11.14 SAMSUNG ELECTRONICS CO LTD
  • US11818679B2 patent drawing
  • US11818679B2 patent drawing
  • US11818679B2 patent drawing

AI summary

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.There is provided a method and apparatus for data transport control between wireless network systems, the method comprises: determining, by a first node, whether a predetermined condition is satisfied; and transmitting, by the first node, at least one of data transport command information and user equipment access information when the predetermined condition is satisfied.