Dynamic PRS Measurement Configuration for 5G Positioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless communication systems, particularly in the transition to 5G, face challenges in efficiently managing positioning reference signals (PRS) configurations for normal and positioning reference unit (PRU) mode operations, leading to suboptimal positioning measurement processes and reporting mechanisms.
Innovation Solution
A method and system where user equipment (UE) receives PRS configurations from a location server, performs positioning measurements, and transmits measurement reports for both normal and PRU mode positioning procedures, optimizing the number of measurements to enhance positioning accuracy and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the UE performs a large number of positioning measurements for PRU mode positioning, then positioning accuracy is improved, but measurement time and processing complexity increase
Solution Approach 1:
The patent implements dynamic measurement configuration where the UE adapts its measurement behavior based on positioning mode indicators received from the network. For PRU mode, the UE performs enhanced measurements with higher density, while for normal mode, it performs reduced measurements, making the measurement process dynamic and context-dependent rather than static
Solution Approach 2:
The patent changes the measurement parameters (number of measurements, measurement density, reporting frequency) based on the positioning mode. The network configures different measurement sets and parameters for PRU mode versus normal mode, allowing optimization of measurement accuracy versus time consumption by adjusting these parameters dynamically
2Reliability
If the UE performs comprehensive positioning measurements for both normal and PRU modes, then positioning reliability is improved, but device complexity and processing load increase
Solution Approach 1:
The patent segments the positioning measurement process into distinct modes (normal mode and PRU mode) with separate measurement configurations and reporting mechanisms. Each mode has its own measurement set, parameters, and reporting requirements, allowing the UE to process only the relevant measurements for the current mode rather than all possible measurements simultaneously
Solution Approach 2:
The patent creates a universal positioning measurement framework that can operate in multiple modes (normal and PRU) using a single configurable system. The same UE positioning capabilities serve both normal positioning and enhanced PRU positioning requirements through dynamic configuration, eliminating the need for separate dedicated hardware or processing paths for each mode
3Measurement precision
If the UE transmits detailed measurement reports for PRU mode positioning, then positioning accuracy is improved, but signaling overhead and latency increase
Solution Approach 1:
The patent implements dynamic reporting behavior where the UE adjusts its measurement reporting based on positioning mode indicators. For PRU mode, the UE transmits detailed measurement reports with higher precision, while for normal mode, it transmits reduced reports, making the reporting process adaptive to current positioning requirements rather than consistently high-volume
Data Source
AI summary
Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) receives one or more positioning reference signal (PRS) configurations, performs a first set of positioning measurements of a first set of PRS resources indicated by a first PRS configuration for a normal mode positioning procedure, transmits a first measurement report for the normal mode positioning procedure, performs a second set of positioning measurements of a second set of PRS resources indicated by a second PRS configuration for a positioning reference unit (PRU) mode positioning procedure, and transmits a second measurement report for the PRU mode positioning procedure, wherein a number of the first set of positioning measurements is less than a number of the second set of positioning measurements.