Reference Location Device Assistance Data Segmentation
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Solution Overview
Problem
Current wireless communication systems, particularly in the context of 5G, face challenges in efficiently providing positioning assistance data to User Equipment (UE) registered as reference location devices, which is crucial for accurate location services but lacks dedicated signaling mechanisms for such devices.
Innovation Solution
The implementation of a method where User Equipment (UE) registers with a network entity as a reference location device and receives positioning assistance data indicating positioning reference signal (PRS) resources from a transmission-reception point (TRP) of a positioning frequency layer, with the data specifically dedicated for use by UEs registered as reference location devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If positioning assistance data is provided to all UEs using general signaling mechanisms, then coverage is maintained, but positioning accuracy and efficiency for reference location devices is insufficient
Solution Approach 1:
The patent segments positioning assistance data into two categories: general assistance data for regular UEs and dedicated assistance data for reference location devices. This segmentation allows tailored positioning support for RLDs with specific PRS resource configurations, achieving higher positioning accuracy without complicating the overall signaling system.
Solution Approach 2:
The patent applies local quality by providing specialized positioning assistance data with specific properties (dedicated PRS resource sets, TRP-specific configurations) only to reference location devices that require enhanced positioning accuracy, rather than all UEs. This targeted approach improves positioning precision for RLDs without unnecessary system-wide complexity.
2Productivity
If dedicated positioning assistance data is provided to reference location devices, then positioning efficiency is improved, but signaling overhead increases
Solution Approach 1:
The patent implements preliminary action by having reference location devices register their positioning requirements with the network in advance. The network then pre-configures and provides dedicated positioning assistance data including PRS resource sets and TRP configurations before positioning sessions begin, improving efficiency while managing signaling overhead through advance preparation.
Solution Approach 2:
The patent creates a universal registration mechanism that serves multiple functions: identifying RLDs, determining their positioning requirements, and routing appropriate assistance data. This multi-functional approach improves positioning efficiency for RLDs while avoiding redundant signaling overhead by consolidating multiple functions into a single process.
3Loss of time
If general positioning assistance data is used for reference location devices, then system simplicity is maintained, but positioning accuracy and latency performance deteriorates
Solution Approach 1:
The patent applies local quality by providing optimized positioning assistance data with specific properties (dedicated PRS resource sets, TRP-specific configurations) only to reference location devices that require enhanced positioning accuracy, rather than all UEs. This targeted approach improves positioning precision for RLDs without unnecessary system-wide complexity.
Solution Approach 2:
The patent implements preliminary action by having reference location devices register their positioning requirements with the network in advance. The network then pre-configures and provides dedicated positioning assistance data including PRS resource sets and TRP configurations before positioning sessions begin, improving efficiency while managing signaling overhead through advance preparation.
Data Source
AI summary
Disclosed are techniques for wireless communication. In an aspect, a User Equipment (UE) may register, with a first network entity, as a reference location device. The UE may receive positioning assistance data from a second network entity for a positioning session between the UE and a location server, the positioning assistance data indicating at least one or more positioning reference signal (PRS) resources of at least one PRS resource set of at least one transmission-reception point (TRP) of at least one positioning frequency layer, wherein the positioning assistance data is dedicated for use by UEs registered as reference location devices.