UWB Positioning Measurements for RAT-Independent Location Accuracy
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Solution Overview
Problem
The 3GPP framework lacks support for high accuracy positioning and ranging using ultra-wideband (UWB) signal measurements at the network-side (UE-assisted) and/or UE-side (UE-based) positioning, limiting the effectiveness of radio access technology-independent positioning solutions.
Innovation Solution
Implementing UWB measurements for radio access technology-independent positioning by providing necessary signaling support for location management functions, gNB, and UE nodes to perform UWB positioning procedures and location estimation through the Uu and SL interfaces, enabling hybrid positioning methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If UWB positioning is integrated into the 3GPP framework, then positioning accuracy is improved, but device complexity increases
Solution Approach 1:
The patent segments the UWB positioning functionality into separate modules: UE capabilities, location server processing, and measurement procedures. This allows the positioning function to be divided into manageable components that can be independently configured and processed, reducing overall system complexity while maintaining high accuracy.
Solution Approach 2:
The patent implements a universal positioning framework that can handle multiple positioning methods (UWB, GNSS, network-based) through a common architecture. The location server can process different measurement types and positioning methods using standardized procedures, making the system versatile without requiring separate dedicated systems for each positioning technology.
2Adaptability or versatility
If multiple positioning methods are supported, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent creates a universal positioning framework where the location server can handle multiple positioning methods (UWB, GNSS, network-based) through a common architecture. The framework uses standardized procedures and interfaces that work across different positioning technologies, allowing the system to adapt to various positioning needs without requiring separate dedicated systems for each method.
Solution Approach 2:
The patent implements dynamic capability negotiation where the UE reports its supported positioning methods and the location server dynamically selects the appropriate measurement and processing procedures. This dynamic adaptation allows the system to switch between different positioning methods based on availability and requirements, enhancing versatility while managing complexity through intelligent selection rather than supporting all methods simultaneously with equal weight.
Data Source
AI summary
Apparatuses, methods, and systems are disclosed for ultra-wideband measurements for radio access technology-independent positioning. One apparatus includes a transceiver that transmits a set of capabilities related to ultra-wideband positioning, receives UWB assistance data to perform UWB positioning, and transmits a UWB measurement and location information report for the UE device using the at least one UWB positioning method associated with at least one of a set of timing-based and a set of angular-based UWB measurements. The apparatus includes a processor that determines information for potential causes of error for one or more of a UWB configuration and a position estimate for the UE device. The transceiver transmits the determined information for the potential causes of error and receives UWB-specific error information associated with one or more of the UWB configuration and the position estimate information for correcting the determined potential causes of error.