Terminal Positioning Timing Across Frequency Ranges
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Solution Overview
Problem
The determination of positioning measurement time in modern communication systems, particularly in 5G NR systems, is not accurately addressed, leading to inefficiencies in calculating total positioning measurement time due to the lack of differentiation between frequency ranges and overlapping measurements.
Innovation Solution
The method involves determining total positioning measurement time based on a maximum value among periods of first positioning measurement time corresponding to frequency ranges, and configuring frequency range (FR) gaps for positioning reference signal (PRS) measurement, utilizing capabilities for independent gap configuration to optimize measurement time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If positioning measurement time is calculated without differentiating frequency ranges, then calculation simplicity is maintained, but measurement accuracy and resource utilization deteriorate
Solution Approach 1:
The patent segments the positioning measurement process by frequency range, dividing the overall measurement into multiple FR-specific measurement periods. Each FR (Frequency Range) is assigned its own measurement time parameters, allowing independent optimization for different frequency characteristics while maintaining overall system coordination.
Solution Approach 2:
The patent introduces dynamic gap configuration where measurement gaps can be independently adjusted per frequency range based on terminal capability and network requirements. The gap pattern becomes adaptable rather than fixed, allowing the system to optimize measurement timing dynamically across different FRs without requiring complete reconfiguration.
2Productivity
If independent gap configuration per frequency range is implemented, then measurement efficiency improves, but configuration complexity increases
Solution Approach 1:
The measurement gap configuration is segmented by frequency range, with each FR having its own gap pattern parameters (gap length, repetition period). This segmentation allows independent optimization of gap configuration for each FR based on its specific measurement requirements, improving overall measurement efficiency.
Solution Approach 2:
The patent changes the parameters of measurement gaps dynamically based on frequency range and terminal capability. Different FRs can have different gap lengths (MGL) and repetition periods (MGRP), allowing the system to adapt measurement timing parameters to match the specific characteristics of each frequency range.
3Measurement precision
If positioning measurement does not account for overlapping measurements, then calculation simplicity is maintained, but measurement accuracy and time determination deteriorate
Solution Approach 1:
The patent performs preliminary identification of potential measurement overlaps across different frequency ranges before finalizing the total measurement time calculation. By detecting overlapping measurement periods in advance, the system can adjust gap configurations or measurement scheduling to eliminate or minimize overlaps, ensuring accurate total time determination.
Data Source
AI summary
A terminal device includes: a processor and a memory, where the memory is configured to store a computer program; and the processor is configured to call and run the computer program stored in the memory, to cause the terminal device to perform: determining total positioning measurement time according to a maximum value among one or more periods of first positioning measurement time, where the one or more periods of first positioning measurement time correspond to one or more FRs.