Positioning Data Reporting for Carrier Phase and Time Association
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Solution Overview
Problem
The existing carrier phase positioning technology in 5G systems faces high resource overheads in measurement result reporting and lacks a clear method for jointly reporting carrier phase and time measurement results.
Innovation Solution
A positioning data transmission method that involves a first communication apparatus measuring and associating time and carrier phase measurement results, reducing the number of reported time measurements and jointly reporting these with carrier phase results to a location management apparatus, thereby improving carrier phase positioning precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If all first time measurement results are reported to the location management apparatus, then the positioning accuracy is improved, but the resource overheads increase
Solution Approach 1:
The patent extracts and reports only the second time measurement result (derived from first time measurement results) along with carrier phase measurement results, rather than reporting all first time measurement results. This extraction approach reduces the quantity of reported data while maintaining positioning accuracy through the use of derived measurement results and carrier phase information.
Solution Approach 2:
The patent combines the second time measurement result with carrier phase measurement results into a single reporting message. By merging these different types of measurement results, the system achieves comprehensive positioning information with reduced overall reporting overhead compared to separate reporting of all individual measurements.
2Device complexity
If carrier phase measurement results are reported without associated time measurement results, then the reporting complexity is reduced, but the carrier phase resolution accuracy deteriorates
Solution Approach 1:
The patent performs preliminary association between the second time measurement result and carrier phase measurement results before reporting. The time measurement result is prepared and linked to the carrier phase measurements in advance, enabling the location management apparatus to perform accurate carrier phase resolution without increasing reporting complexity during the actual transmission phase.
Data Source
AI summary
A positioning data transmission method and an apparatus wherein a location management apparatus sends a first request to a first communication apparatus; the first communication apparatus measures a positioning reference signal from a second communication apparatus based on the first request, to obtain at least one first time measurement result and at least one carrier phase measurement result; then the first communication apparatus sends first information to the location management apparatus; and the location management apparatus positions the second communication apparatus or the first communication apparatus based on the first information, where the first information includes a second time measurement result and the at least one carrier phase measurement result.