User Equipment Manual Network Selection List Generation
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Solution Overview
Problem
Manual network selection in user equipment (UE) can lead to instances of no service or limited service if the user selects a public land mobile network (PLMN) that does not support certain features, affecting user experience.
Innovation Solution
The UE detects multiple networks during a PLMN scan, generates a manual network selection list that includes PLMNs and stand-alone non-public networks (SNPNs), determines the sequence for displaying these entries, and registers with one of the networks based on user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual network selection is implemented, then user control over network choice is improved, but service reliability deteriorates when user selects incompatible PLMN
Solution Approach 1:
The system performs preliminary actions by detecting multiple networks during PLMN scan, generating a manual network selection list that includes compatibility information, and determining the sequence of entries before user selection. This preliminary preparation ensures that when the user makes a selection, the service reliability is maintained through pre-validated network options.
Solution Approach 2:
The system implements feedback by providing the user with a structured list of detected networks that includes compatibility indicators and service capability information. This feedback loop allows the user to make informed selections based on network compatibility, thereby maintaining service reliability while preserving user control.
2Measurement precision
If comprehensive network detection is performed, then network selection accuracy is improved, but device complexity increases
Solution Approach 1:
The system applies segmentation by dividing the network detection process into distinct phases: PLMN scan phase, network detection phase, list generation phase, and user selection phase. This segmentation allows comprehensive network detection to be performed systematically without overwhelming device complexity, as each phase handles a specific task with defined inputs and outputs.
Solution Approach 2:
The manual network selection list serves as an intermediary structure between the raw network detection data and the user selection process. This intermediary organizes the detected networks with compatibility information and sequencing, reducing the complexity burden on the device by preprocessing the data before user interaction.
3Reliability
If network compatibility verification is enhanced, then service reliability is improved, but information processing time increases
Solution Approach 1:
Compatibility verification is performed as a preliminary action during the network detection and list generation phase, before user selection. By pre-validating network compatibility and organizing the list with sequencing information, the system ensures service reliability without requiring additional time processing during the actual user selection moment.
Data Source
AI summary
A user equipment (UE) displays a list of available networks for manual network selection. The UE detects multiple networks during a public land mobile network (PLMN) scan, wherein the multiple networks include one or more PLMNs and one or more stand-alone non-public networks (SNPNs), generates a manual network selection list that includes at least i) the one or more PLMNs or ii) the one or more SNPNs, determines a sequence in which entries of the manual network selection list are to be displayed at the UE, displays a graphical user interface (GUI) that includes a representation of the manual network selection list and registers with one of the multiple networks in response to user input.