Core Network Node Context Transfer via Group Identifiers
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Solution Overview
Problem
Current wireless communication networks face challenges in efficiently transferring management of wireless devices between core network nodes without involving the devices themselves, especially in scenarios requiring load balancing or complete removal of CN nodes, which is inefficient and often impossible due to UE connectivity states and signaling requirements.
Innovation Solution
The method involves setting up interfaces between core network nodes to enable the transfer of context data and management of wireless devices from one core network node to another, using group identifiers to facilitate en-bloc transfers and minimize signaling, allowing for efficient scaling and offloading of UE contexts without UE involvement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional methods are used to transfer management of wireless devices between core network nodes, then device involvement and signaling requirements increase, but transfer efficiency and speed decrease
Solution Approach 1:
The patent segments the transfer process by introducing a group identifier that represents multiple wireless devices. Instead of transferring each device individually, the system groups devices and transfers them collectively, reducing the number of signaling operations required and improving transfer efficiency.
Solution Approach 2:
The patent introduces a group identifier as an intermediary element that mediates the transfer process. This group identifier allows core network nodes to reference and transfer multiple devices simultaneously without requiring direct device involvement, thereby reducing signaling complexity while maintaining transfer efficiency.
2Speed
If UE connectivity states are considered in the transfer process, then transfer reliability improves, but transfer speed and independence from device states decrease
Solution Approach 1:
The patent performs preliminary actions by establishing group identifiers and pre-configuring the transfer framework before actual device transfers are needed. This allows the system to quickly execute transfers without waiting for device connectivity states, achieving both speed and reliability by having the infrastructure ready in advance.
Solution Approach 2:
The system implements self-service by using group identifiers that allow core network nodes to autonomously perform transfers based on network conditions rather than waiting for device-initiated requests. This enables the network to proactively manage device transfers, improving both speed and independence from UE connectivity states while maintaining reliability through the structured group-based approach.
3Adaptability or versatility
If individual device transfers are performed, then transfer precision improves, but network scalability and management efficiency worsen
Solution Approach 1:
The patent merges multiple individual device transfers into a single group-based transfer operation. By combining multiple devices under a common group identifier, the system reduces the total time required for transfers while maintaining the ability to manage individual devices when needed, thereby improving both network scalability and management efficiency without sacrificing transfer precision.
Data Source
AI summary
Methods and apparatus are provided for transferring management of one or more wireless devices from being managed by a first core network node, to instead be managed by a second core network node. The method comprises obtaining information identifying the one or more wireless devices, wherein the information comprises a first group identifier identifying a first group associated with the one or more wireless devices; and transferring context data from the first core network node to the second core network node, wherein the context data relates to the one or more wireless devices for use in managing the one or more wireless devices.