Base Station PRS Selection for Changing UE Positioning Needs
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Solution Overview
Problem
The 5G cellular mobile communication technology's static PRS configuration in R16 version fails to meet varying positioning requirements of user equipment (UE), leading to inefficiencies and reduced adaptability in positioning scenarios.
Innovation Solution
A method where both the base station and UE dynamically select and report PRS configurations based on recommended settings, allowing for flexible and adaptable positioning by determining a target PRS configuration that meets the UE's specific requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a static PRS configuration is used in 5G R16 version, then the system complexity is reduced and ease of operation is improved, but the adaptability to varying positioning requirements of UE deteriorates
Solution Approach 1:
The patent transforms the static PRS configuration into a dynamic selection mechanism where the UE recommends a configuration and the base station dynamically selects the target configuration based on current network conditions and UE requirements, making the system adaptable to varying positioning needs while maintaining operational simplicity through automated decision-making
Solution Approach 2:
The patent implements a feedback loop where the UE provides positioning requirement information to the base station, which then uses this feedback to determine the appropriate target PRS configuration, enabling the system to adapt to changing positioning requirements while the base station manages the complexity of configuration selection
2Measurement precision
If a static PRS configuration is used, then the ease of operation is improved, but the positioning accuracy and efficiency deteriorate
Solution Approach 1:
The patent enables the UE to self-report its positioning requirements through the recommended PRS configuration, eliminating the need for manual configuration operations while ensuring that the positioning accuracy requirements are met through the automated feedback mechanism between UE and base station
3Adaptability or versatility
If dynamic PRS configuration selection is implemented, then the adaptability to positioning scenarios is improved, but the device complexity increases
Solution Approach 1:
The patent introduces the base station as an intermediary that receives the UE's recommended PRS configuration and translates it into the final target PRS configuration, thereby distributing the complexity management to the network side while maintaining high adaptability to various positioning scenarios through coordinated decision-making
Data Source
AI summary
A method for information transmission includes: receiving a first request message carrying a recommended positioning reference signal (PRS) configuration; determining a target PRS configuration according to the recommended PRS configuration; and sending a PRS to a user equipment by using the target PRS configuration.