Wireless Terminal Positioning With Multi-Frequency Phase Measurement
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Solution Overview
Problem
Existing wireless communication systems face challenges in accurately and efficiently performing positioning measurements for user equipment (UE) due to limitations in configuring measurement frequencies and bandwidth parts, which affect the reliability and latency of communication services.
Innovation Solution
A method and apparatus for UE to receive configuration information for phase measurement, specifying multiple measurement frequencies and determining measurement frequencies based on a reference frequency and offsets, allowing for accurate phase measurement and efficient positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single measurement frequency is configured for phase measurement, then the device complexity is reduced, but the positioning accuracy deteriorates due to inability to adapt to varying channel conditions
Solution Approach 1:
The patent implements dynamic measurement frequency selection by configuring multiple measurement frequencies and enabling the UE to dynamically select the most suitable frequency based on real-time channel conditions. This transforms the static single-frequency approach into a dynamic multi-frequency system that adapts to varying propagation environments, thereby improving positioning accuracy without requiring permanent increases in device complexity through intelligent adaptation mechanisms.
Solution Approach 2:
The patent changes the measurement frequency parameter from a fixed single value to a configurable set of multiple frequencies. By allowing the network to configure multiple measurement frequencies and enabling the UE to select among them based on channel conditions, the system optimizes positioning measurements by adjusting the frequency parameter dynamically, resolving the contradiction between accuracy and complexity.
2Reliability
If multiple measurement frequencies are configured for phase measurement, then the positioning accuracy is improved through adaptation to channel conditions, but the device complexity increases due to additional configuration and selection mechanisms
Solution Approach 1:
The patent implements a self-service mechanism where the UE autonomously selects the most appropriate measurement frequency from the configured set based on its own assessment of channel conditions. This self-service approach allows the system to improve reliability through adaptive frequency selection while avoiding excessive complexity by enabling the UE to make intelligent decisions independently rather than requiring complex network-controlled selection mechanisms.
3Adaptability or versatility
If measurement frequencies are not aligned with active downlink bandwidth part, then the adaptability to different bandwidth configurations is improved, but the measurement efficiency deteriorates due to frequency mismatch
Solution Approach 1:
The patent implements dynamic frequency alignment where the UE determines measurement frequencies based on the currently active downlink bandwidth part configuration. This dynamic alignment ensures that measurement frequencies are always appropriate for the active bandwidth part, maintaining both adaptability to different bandwidth configurations and measurement efficiency by eliminating frequency mismatches through real-time adaptation.
Data Source
AI summary
Disclosed, according to various embodiments, are a method for a terminal carrying out measurement for positioning in a wireless communication system and a device therefor. Disclosed are a method and a device therefor, the method comprising the steps of: receiving configuration information related to location measurement from a network; carrying out measurement for at least one measurement frequency on the basis of the configuration information; and reporting a measurement result of the at least one measurement frequency to the network, wherein a terminal specifies a plurality of measurement frequencies for carrier phase positioning (CPP) on the basis of the configuration information, and determines the at least one measurement frequency on the basis of the plurality of measurement frequencies, and the measurement result includes phase information measured for the at least one measurement frequency.