PRS Measurement Window Priority Configuration for Downlink Collisions
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Solution Overview
Problem
Existing wireless communication systems face challenges in configuring and prioritizing positioning reference signal (PRS) measurements due to collisions with downlink channels and reference signals, leading to unclear UE procedures and lack of signaling for priority configuration across network entities.
Innovation Solution
Implement methods for configuring and indicating priority of DL PRS measurements relative to other downlink channels and reference signals, including signaling between LMF and gNB, and UE procedures for handling collisions, using measurement and positioning measurement windows.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If PRS measurements are prioritized over data traffic, then positioning accuracy is improved, but data transmission efficiency deteriorates
Solution Approach 1:
The patent implements dynamic priority configuration where the gNB can adjust the priority of PRS measurements relative to data traffic based on current network conditions and positioning requirements. This allows the system to adaptively balance positioning accuracy and data transmission efficiency rather than using a fixed priority scheme.
Solution Approach 2:
The patent introduces configurable priority parameters that can be adjusted to change the behavior of PRS measurement handling. By modifying these parameters, the system can control whether PRS measurements are prioritized over data traffic or vice versa, enabling flexible optimization of both positioning accuracy and data transmission efficiency.
2Productivity
If measurement gaps are reduced, then productivity is improved, but measurement reliability deteriorates
Solution Approach 1:
The patent configures PRS measurement windows in advance with specific timing and duration parameters. This preliminary configuration allows the UE to know when measurements will occur, enabling better resource allocation and reducing the need for additional measurement gaps while maintaining measurement reliability.
Solution Approach 2:
The patent implements continuous PRS measurement opportunities within configured windows, allowing measurements to occur regularly without requiring frequent interruption of data transmission. This maintains measurement reliability while minimizing the impact on productivity.
3Ease of operation
If signaling for priority configuration is added, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent extends existing RRC signaling mechanisms to carry priority configuration information for PRS measurements. By reusing existing signaling frameworks rather than creating entirely new signaling protocols, the patent improves ease of operation while minimizing the increase in device complexity.
Data Source
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AI summary
Systems and methods for generating and configuring periodization of PRS measurements. An access node receives a configuration request to configure a positioning reference signal (PRS) measurement window and determines whether to configure the measurement window in accordance with a priority associated with the PRS measurement. The access node can acknowledge the success or failure of configuring the PRS measurement window.