PRS Processing Complexity Framework for 5G Positioning
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Solution Overview
Problem
Current wireless communication systems, particularly in the transition to 5G, face challenges in enhancing spectral efficiency, reducing latency, and improving signaling efficiency while supporting a large number of connections and high data transfer speeds, especially in environments requiring precise location estimation and beamforming techniques.
Innovation Solution
The implementation of advanced wireless communications systems that utilize positioning reference signals (PRS) and beamforming technologies, including quasi-collocated reference signals, to enhance location estimation and data transmission efficiency, allowing for precise positioning and increased data transfer rates across multiple frequency ranges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If positioning reference signals are used for location estimation in 5G systems, then positioning accuracy is improved, but computation complexity increases
Solution Approach 1:
The patent segments the PRS processing into distinct stages: signal generation at the base station, signal transmission through the wireless medium, and signal processing at the user equipment. Each stage handles specific computational tasks independently, reducing overall complexity while maintaining positioning accuracy through systematic division of processing responsibilities
Solution Approach 2:
The patent implements preliminary action by pre-configuring PRS resources, pre-calculating positioning parameters, and pre-establishing measurement configurations before actual positioning operations. This allows the system to prepare computational frameworks in advance, reducing real-time computation complexity during actual positioning measurements
2Productivity
If beamforming techniques are implemented to enhance data transmission, then spectral efficiency is improved, but device complexity increases
Solution Approach 1:
The patent applies local quality by implementing beamforming with direction-specific signal characteristics, where each beam is optimized for its specific transmission direction and target user. This allows spectral efficiency to be enhanced locally in each beam direction without requiring the entire system to operate at maximum complexity, as beams can be independently configured and processed
Solution Approach 2:
The patent implements periodic action through beam sweeping and beam training procedures, where beamforming configurations are systematically cycled through different directions and patterns. This periodic approach allows the system to achieve high spectral efficiency during active transmission periods while reducing complexity during transition and measurement periods
Data Source
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AI summary
Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) sends, to a network entity, a report indicating positioning capabilities of the UE, the positioning capabilities indicating a number of positioning calculations that the UE can perform per unit of time, per unit of frequency, or both, and performs a first set of positioning-related measurements of a set of positioning reference signal (PRS) resources and reports a second set of positioning-related measurements based on the reported positioning capabilities of the UE, the set of PRS resources to be used for the first and second sets of positioning-related measurements, a set of reporting parameters, an accuracy configuration, a latency configuration, or any combination thereof.