UE Capability Selection for Spatial and Power CSI Adaptation
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Solution Overview
Problem
Interpretation ambiguity arises when a user equipment (UE) supports both Rel-15 and Rel-18 capabilities for spatial and power domain adaptation in 3GPP, leading to unclear usage of CSI reporting settings and resources.
Innovation Solution
A mechanism is introduced to determine the used capability by using Rel-18 values over Rel-15 values in CSI report configurations, especially when sub-configurations are present, ensuring clear interpretation of CSI reporting settings and resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a UE reports support of both Rel-15 capabilities and new Rel-18 capabilities, then the UE indicates comprehensive capability support, but interpretation ambiguity arises regarding which capability values to use for CSI reporting
Solution Approach 1:
The patent applies parameter changes by using the presence or absence of sub-configuration parameters as a switching condition to determine which capability values (Rel-15 or Rel-18) should be applied. When sub-configuration is present, Rel-18 capability values are used; when absent, Rel-15 capability values are used. This resolves the ambiguity by making the capability selection explicit based on configuration parameters.
2Productivity
If Rel-18 capability values are used for CSI reporting, then spatial and power domain adaptation is enhanced, but compatibility with legacy Rel-15 systems is reduced
Solution Approach 1:
The patent applies dynamics by making the capability selection dynamic based on the presence of sub-configuration in the CSI reporting settings. The system automatically switches between Rel-15 and Rel-18 capability values depending on the configuration, allowing flexible adaptation to different system requirements while maintaining backward compatibility where needed.
Solution Approach 2:
The patent applies local quality by applying different capability values (Rel-15 or Rel-18) to different CSI reporting settings based on whether they include sub-configuration. This allows selective application of enhanced capabilities only where sub-configuration is present, while maintaining legacy compatibility for settings without sub-configuration.
Data Source
AI summary
A system and a method are provided for enhanced beam management framework for spatial and power domain adaptation in NES. A method performed by a terminal in a wireless communication system includes transmitting, to a base station, terminal capability information indicating terminal support of a first capability and a second capability; receiving, from the base station, configuration information based on the terminal capability information, the configuration information including a CSI report configuration; determining a used capability among the first capability and the second capability, based on a characteristic of the CSI report configuration; receiving a CSI-RS based on the configuration information; generating a CSI report in accordance with the used capability based on the received CSI-RS; and transmitting the CSI report to the base station.