Beam Representation Mapping for 5G PRS Positioning Accuracy
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Solution Overview
Problem
Current wireless communication systems, particularly in the 5G era, face challenges in efficiently managing beam patterns and positioning reference signals to enhance spectral efficiency and reduce latency, especially in heterogeneous networks with diverse base station types and frequency bands.
Innovation Solution
The method involves transmitting a plurality of beam representations, each with an associated antenna configuration and beam angle/gain mapping, along with positioning reference signal (PRS) resources, to optimize beamforming and positioning accuracy across different base station types and frequency bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If beam patterns and positioning reference signals are managed in 5G wireless communication systems, then spectral efficiency is improved and latency is reduced, but device complexity increases due to diverse base station types and frequency bands
Solution Approach 1:
The patent applies universality by defining a common beam representation structure that can be used across different base station types (gNodeB, eNodeB, femto node, pico node, macro node) and frequency bands (FR1, FR2, FR3). This unified approach allows the system to manage beam patterns and positioning reference signals in a standardized manner, improving spectral efficiency and reducing latency without proportionally increasing device complexity.
Solution Approach 2:
The patent utilizes parameter changes by mapping beam angle and beam gain to different values based on the specific base station type and frequency band. The system adjusts beam representation parameters (antenna configuration, beam angle, beam gain) dynamically according to the operational context, enabling optimized performance across diverse network configurations while maintaining a standardized framework.
2Measurement precision
If multiple beam representations with antenna configurations are transmitted, then positioning accuracy is improved, but loss of information increases due to the complexity of mapping PRS resources to beam representations
Solution Approach 1:
The patent applies segmentation by dividing the beam pattern management into distinct components: beam representations containing antenna configurations, beam angle mappings, and beam gain mappings. The positioning reference signal resources are segmented and individually mapped to specific beam representations. This structured segmentation enables precise positioning information to be conveyed while reducing information loss through systematic organization and clear mapping relationships.
Data Source
AI summary
Disclosed are techniques for communication. In an aspect, a network node transmits, to a network entity, a plurality of beam representations for a corresponding plurality of beams, wherein each beam representation of the plurality of beam representations comprises an antenna configuration associated with a beam of the plurality of beams or a mapping of beam angle and beam gain associated with the beam, the antenna configuration including at least a number of antenna elements and an antenna element spacing, and transmits, to the network entity, a first mapping of one or more positioning reference signal (PRS) resources or PRS resource sets to the plurality of beam representations, wherein each of the one or more PRS resources or PRS resource sets is associated with a single beam representation of the plurality of beam representations.