UDR Access via Network Slice Routing
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Solution Overview
Problem
The existing Unified Data Repositories (UDRs) in wireless communication networks are inefficiently organized based on Public Land Mobile Networks (PLMNs) and simple data categories, leading to ineffective access across a larger array of UDRs, which hampers the ability to serve the growing number of wireless user devices and network slices.
Innovation Solution
The implementation of a unified data repository access system that allows for the selection and efficient organization of UDRs based on wireless network slices and User Equipment (UE) IDs, enabling effective access across multiple PLMNs through Service Communication Proxies (SCPs), which route requests to the appropriate UDRs based on UE and slice IDs, thereby enhancing data accessibility and redundancy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If UDRs are organized based on PLMN and simple data categories, then the organization structure is simple and easy to implement, but the access efficiency deteriorates when serving a growing number of wireless user devices and network slices
Solution Approach 1:
The patent segments the UDR organization by introducing network slice as an additional dimension beyond PLMN and data category. This creates a multi-level segmentation structure where UDRs are first divided by PLMN, then by network slice, and finally by data category, allowing efficient access to specific UDRs through hierarchical navigation without requiring complete reorganization of the existing simple structure
Solution Approach 2:
The patent introduces a UDR selection function that acts as an intermediary between the network element requesting data and the actual UDR storing the data. This intermediary receives the request, determines the appropriate UDR based on PLMN, network slice, and data category, and routes the request accordingly, thereby improving access efficiency without complicating the underlying UDR organization structure
2Adaptability or versatility
If UDRs are accessed across multiple PLMNs, then data accessibility and redundancy are enhanced, but the complexity of UDR selection and routing increases
Solution Approach 1:
The patent creates a universal UDR selection mechanism that can handle requests across multiple PLMNs, network slices, and data categories through a single standardized process. The UDR selection function universally applies the same decision logic (determine PLMN, determine network slice, determine data category, select UDR) regardless of the specific request type, thereby enhancing data accessibility across PLMNs without proportionally increasing complexity
Solution Approach 2:
The patent adds the network slice dimension to the UDR selection process, transforming the selection from a two-dimensional problem (PLMN and data category) to a three-dimensional problem (PLMN, network slice, and data category). This additional dimension enables cross-PLMN accessibility while maintaining structured organization, as the network slice acts as a universal identifier that can span multiple PLMNs
3Quantity of substance
If the number of wireless user devices and network slices grows, then the network capacity and service variety increase, but the efficiency of existing UDR organization deteriorates
Solution Approach 1:
The patent implements a dynamic UDR selection process that adapts to the growing number of user devices and network slices by using network slice identifiers and user device identifiers to dynamically determine the appropriate UDR. Rather than relying on static organization alone, the system dynamically routes requests based on current network state, ensuring efficient access even as the quantity of users and slices increases
Data Source
AI summary
A wireless communication system serves a wireless User Equipment (UE) over a wireless network slice. A serving wireless communication network selects a Uniform Data Repository (UDR) in a target wireless communication network based on the wireless network slice. The serving wireless communication network transfers an information request for the wireless UE across a wireless communication network boundary to the selected UDR in the target wireless communication network. In response to the information request, the selected UDR in the target wireless communication network transfers UE information for the wireless UE across the wireless communication network boundary to the serving wireless communication network. The wireless network slice in the serving wireless communication network serves the wireless UE based on the UE information.