Network Slice Handover Using Base Station Resource Status
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Solution Overview
Problem
In wireless communications, determining a suitable base station for network slicing during handover procedures is challenging due to difficulties in identifying base stations that can serve the required network slices for wireless devices.
Innovation Solution
A first base station receives resource status information from one or more second base stations to determine whether a handover, multi-connectivity activation, or modification should be performed for serving one or more network slices for a wireless device, using this information to identify appropriate base stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If network slicing is implemented for different device or service types, then service differentiation and customization are improved, but difficulty in determining suitable base stations for handover increases
Solution Approach 1:
The patent introduces an intermediary mechanism where the source base station collects and evaluates resource status information from multiple candidate base stations, then determines the appropriate target base station based on network slice requirements. This intermediary role resolves the contradiction by centralizing the complex identification process rather than requiring direct device-to-base station matching.
Solution Approach 2:
The patent implements preliminary action by having the source base station proactively gather resource status information from potential target base stations before handover occurs. This advance preparation includes evaluating whether candidate base stations can support required network slices, thereby simplifying the actual handover decision-making process.
2Reliability
If resource status information is collected from multiple base stations to ensure proper network slice serving, then handover reliability is improved, but information collection complexity and time increase
Solution Approach 1:
The source base station performs preliminary information collection from multiple candidate base stations before handover is triggered. By gathering resource status information in advance, the system ensures reliable handover decisions without adding significant time delay during the actual handover execution.
Solution Approach 2:
Candidate base stations autonomously provide their resource status information when requested by the source base station. This self-service mechanism reduces the information collection burden on the source base station and accelerates the data gathering process, thereby maintaining reliability while minimizing time loss.
Data Source
AI summary
Systems, apparatuses, and methods are described for wireless communications. A base station may receive resource status information. The base station may use the resource status information for initiating a handover procedure.