Synthetic Positioning Resource Aggregation for Wireless Signal Precision
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Solution Overview
Problem
Current radio resource control configurations for positioning reference signals in wireless communication systems do not fully support band stitching, which limits the improvement of signal-to-noise ratio (SINR) and time resolution in positioning measurements.
Innovation Solution
The introduction of a new radio resource control (RRC) configuration that defines synthetic or aggregate positioning resources by stitching together multiple positioning resources from different frequency layers or bandwidth parts, creating a synthetic or aggregate PRS block that enhances SINR and time resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple positioning resources from different frequency layers or bandwidth parts are stitched together to form synthetic positioning resources, then signal-to-noise ratio and time resolution are improved, but configuration complexity increases
Solution Approach 1:
The positioning resources are segmented into multiple independent resources across different frequency layers and bandwidth parts. Each resource can be independently configured and managed, allowing the UE to process them separately while achieving improved overall measurement precision through aggregation.
Solution Approach 2:
Multiple positioning resources from different frequency layers (FLs) and bandwidth parts (BWPs) are merged into a single synthetic positioning resource. This combining approach aggregates the signal energy and improves the signal-to-noise ratio, enabling more accurate positioning measurements while maintaining manageable configuration through structured RRC parameters.
2Measurement precision
If band stitching is not supported in current RRC configurations, then configuration simplicity is maintained, but signal-to-noise ratio improvement is limited
Solution Approach 1:
The RRC configuration is made dynamic to support band stitching operations. The configuration can adaptively combine positioning resources from different frequency layers and bandwidth parts based on network conditions and UE capabilities, enabling the system to optimize signal-to-noise ratio while maintaining flexibility in resource allocation.
Solution Approach 2:
New RRC configuration parameters are introduced to enable band stitching functionality. These parameters allow the network to specify how positioning resources should be aggregated across different frequency layers and bandwidth parts, transforming the static configuration into one that supports sophisticated signal aggregation for improved measurement precision.
Data Source
AI summary
Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives a radio resource control (RRC) configuration that defines a synthetic positioning resource comprising a plurality of positioning resources, the plurality of positioning resources comprising at least one positioning resource from each of a plurality of frequency layers (FLs) or bandwidth parts (BWPs), from each of a plurality of positioning resource sets, or combinations thereof. The UE performs a positioning measurement using the synthetic positioning resource, e.g., the UE receives one or more reference signals within the synthetic positioning resource according to the RRC configuration and performs a measurement of the one or more reference signals. In some aspects, the UE may report a result of the positioning measurement, which may comprise a measured value, a position estimate based on a measured value, or combinations thereof.