Full-Duplex Resource Handling for Stable UE Downlink Reception
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Solution Overview
Problem
In wireless communication systems, there is ambiguity in the operation of user equipment (UE) when resources are set as full duplex (FD) time resources, leading to unclear operations between the base station and the UE, particularly during the reception of synchronization signals and specific control resources.
Innovation Solution
A method where the UE receives configuration messages to identify specific downlink reception resources as non-FD time resources, allowing stable wideband downlink reception of signals like SS/PBCH, and the base station avoids FD operations in these resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If full duplex operation is performed in time resources allocated for downlink reception, then frequency resource utilization is improved, but operation ambiguity between base station and UE occurs
Solution Approach 1:
The patent applies local quality by differentiating operation modes for different time resources. Specifically, certain time resources are designated as non-FD resources where only downlink reception occurs, while other time resources allow FD operation. This localized differentiation resolves the contradiction by ensuring clear operation in critical downlink resources while maintaining high resource utilization in other resources.
2Adaptability or versatility
If FD time resources are set independently from downlink reception resources, then resource flexibility is improved, but operational confusion increases
Solution Approach 1:
The patent applies preliminary anti-action by pre-defining certain time resources as non-FD resources before FD operation is attempted. The base station configures specific time resources where downlink reception must occur without FD operation, thereby preventing operational confusion in advance while maintaining flexibility in other time resources.
3Adaptability or versatility
If SS/PBCH reception resources are set as FD time resources, then resource allocation flexibility is improved, but reception stability deteriorates
Solution Approach 1:
The patent applies local quality by designating SS/PBCH reception resources as non-FD resources. This creates a localized restriction where critical synchronization and broadcast channel resources maintain clear half-duplex operation for stable reception, while other resources can utilize FD operation for improved flexibility.
Data Source
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AI summary
Provided are an operation method of an apparatus in a wireless communication system, and the apparatus. The apparatus receives a first message configuring a specific downlink reception resource, receives a second message indicating full duplex (FD) time resources, and performs an FD operation on the basis of the first message and the second message. If the specific downlink reception resource is configured as an FD time resource by the second message, a terminal determines the specific downlink reception resource as a non-FD time resource in which the FD operation is not performed and operates accordingly.