Multi-Carrier Positioning Signal Configuration and Measurement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing technologies face challenges in accurately configuring multi-carrier frequency positioning signals and reporting measurement reports in new radio (NR) systems, particularly due to ambiguity in the number of whole cycles of phases in carrier phase-based positioning methods.
Innovation Solution
A signal processing method that involves obtaining carrier frequency information and positioning signal resources from a network device, measuring positioning signals based on these resources, and reporting the measurements. This method is performed by user equipment (UE) and network devices to configure and manage multi-carrier frequency positioning signals effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple carrier frequencies with different wavelengths are used to solve phase cycle ambiguity, then positioning accuracy is improved, but system complexity and configuration difficulty increase
Solution Approach 1:
The positioning signal is segmented across multiple carrier frequencies, where each carrier frequency transmits a portion of the positioning signal. This segmentation allows the system to resolve phase cycle ambiguity by combining measurements from different wavelengths, thereby improving positioning accuracy while managing system complexity through structured signal division
Solution Approach 2:
The positioning signal is designed to serve multiple functions simultaneously: it carries positioning information across different carrier frequencies, enables ambiguity resolution through multi-frequency measurements, and maintains compatibility with existing NR system architecture. This multi-functionality approach allows a single positioning signal design to address multiple requirements
2Reliability
If multiple carrier frequencies are introduced to resolve phase ambiguity, then positioning reliability is improved, but configuration and measurement reporting complexity increase
Solution Approach 1:
The network device automatically configures the positioning signal parameters across multiple carrier frequencies without requiring manual intervention. The system self-manages the configuration of positioning signal resources, measurement reporting settings, and carrier frequency assignments, thereby improving positioning reliability while reducing operational complexity
Solution Approach 2:
The system implements feedback mechanisms where measurement reports from UE are automatically processed and used to adjust positioning signal configurations. This closed-loop approach ensures that the system adapts to changing conditions while maintaining reliable positioning performance without increasing manual configuration burden
3Measurement precision
If separate positioning signals are transmitted on multiple carrier frequencies to solve whole cycle ambiguity, then measurement accuracy is improved, but signal processing complexity increases
Solution Approach 1:
The positioning signals from multiple carrier frequencies are merged into a unified measurement process at the UE. Instead of processing separate signals independently, the system combines the positioning signal measurements from different carriers in an integrated manner, reducing signal processing complexity while maintaining the measurement accuracy benefits of multi-frequency operation
Data Source
AI summary
A signal processing method. The method includes: obtaining carrier frequency information of at least two carrier frequencies configured by a network device, in which the carrier frequency is configured to transmit a positioning signal; obtaining a positioning signal resource corresponding to each carrier frequency configured by the network device; measuring the positioning signal based on the positioning signal resource to obtain a positioning report; and reporting the positioning report.