Beam Configuration Mapping for Accurate UE Location Determination
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Solution Overview
Problem
In certain wireless communications networks, the determined location of a user equipment may not be accurate due to communication errors, which can be exacerbated by the movement of satellites in non-terrestrial networks, leading to inaccurate positioning.
Innovation Solution
The method involves configuring beam configuration information through a non-terrestrial station by receiving and transmitting messages that include parameters such as RSRP, RSRQ, beam identifiers, and reference signal indices, and performing measurements on these signals to enhance location determination accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If beam configuration information and satellite movement information are utilized for location determination, then location determination accuracy is improved, but device complexity and measurement requirements increase
Solution Approach 1:
The patent applies preliminary action by pre-configuring beam configuration information (including beam identifiers, reference signal indices, RSRP/RSRQ parameters) and satellite movement information (ephemeris data, orbital parameters) before location determination is needed. This allows the UE to have measurement configurations ready in advance, reducing real-time processing complexity while maintaining high accuracy through pre-prepared reference data
Solution Approach 2:
The patent introduces an intermediary approach by using beam configuration information as a mediator between the satellite signals and location determination process. The beam configuration acts as an intermediate layer that translates raw satellite movement information into usable positioning data, simplifying the overall system complexity while improving measurement precision through structured intermediate representations
2Measurement precision
If multiple parameters (RSRP, RSRQ, beam identifier, reference signal index) are measured and reported, then location determination accuracy is improved, but loss of time and measurement overhead increase
Solution Approach 1:
The patent applies partial action by selectively measuring and reporting only the necessary subset of parameters (RSRP, RSRQ, beam identifier, reference signal index) based on the specific location determination requirements. Rather than continuously measuring all possible parameters, the system performs partial measurements tailored to the current positioning needs, reducing time overhead while maintaining sufficient accuracy
Solution Approach 2:
The patent implements periodic action through configured measurement periods and reporting intervals for beam configuration information. Instead of continuous measurement, the UE performs measurements at periodic intervals defined by the network configuration, balancing the need for accurate location determination with the constraint of measurement time and energy consumption
Data Source
AI summary
Apparatuses, methods, and systems are disclosed for configuring information for location determination. One method includes transmitting, from a location server, a request including an indication to provide beam configuration information and associated received signal strength measurements of a target user equipment. The method includes receiving a response message including the beam configuration information and associated received signal strength measurements. The method includes determining the location of the target UE based on a mapping between the beam configuration information and the associated received signal strength measurements.