NR Cell and Beam Measurement Configuration for UE Capability Limits
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Solution Overview
Problem
The existing measurement models in NR wireless communication systems face challenges in efficiently configuring UE measurements of cells and beams, leading to increased UE complexity, power consumption, and suboptimal network performance due to the lack of flexibility in determining the number of beams and cells to measure, which affects mobility and positioning accuracy.
Innovation Solution
A method and system for configuring a UE to measure a specific number of beams (K) and cells (L) based on network node information, allowing the UE to perform measurements efficiently and report results, while ensuring the UE's measurement capacity is not exceeded, thereby enhancing mobility performance and reducing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the UE measures a large number of beams and cells to improve mobility and positioning accuracy, then measurement precision is improved, but device complexity and power consumption increase
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the number of beams (K) and cells (L) to be measured based on UE capability indicators and network requirements. The network node configures different measurement parameters (K1, L1), (K2, L2), etc., corresponding to different capability levels, allowing the system to optimize between measurement precision and UE complexity by selecting appropriate parameter sets.
2Reliability
If the UE measures more beams and cells to improve network performance, then reliability is improved, but use of energy increases
Solution Approach 1:
The patent implements dynamics by making the measurement configuration adaptive rather than static. The network node receives capability indicators from the UE and dynamically configures the number of beams and cells to measure based on current network conditions and UE capabilities. This dynamic adjustment ensures reliable network performance while optimizing power consumption by avoiding unnecessary measurements.
3Ease of operation
If the network configures the UE to measure a fixed number of beams and cells, then ease of operation is improved, but adaptability decreases
Solution Approach 1:
The patent applies segmentation by dividing the measurement configuration into multiple discrete capability levels (first capability indicator, second capability indicator, etc.). Each capability level corresponds to a specific set of measurement parameters (K1, L1), (K2, L2), etc. This segmentation allows the network to select an appropriate configuration level based on UE capabilities, maintaining operational simplicity while providing adaptability across different device types.
Data Source
AI summary
Configuration of measurement requirements on cells and beams in NR is made more efficient by, in a user equipment, UE, receiving, information from a network node, which information indicates: a first number K of beams to be measured by the UE, and a second number L of cells in which the UE is required to measure the first number K of beams. The UE then carries out measurements using the received information; and performs at least one operational task based on a result of the measurements.