Full Duplex Resource Fallback for Wireless Traffic Adaptation
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Solution Overview
Problem
The existing communication systems face performance degradation when using TDD configurations with full duplex time resources, particularly in environments with imbalanced downlink and uplink traffic, leading to reduced downlink performance.
Innovation Solution
A method where user equipment determines a specific time resource as full duplex and receives information on whether a fallback operation is allowed, performing either full duplex or TDD fallback operations based on this information to adaptively use resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If full duplex operation is performed in a given time resource, then communication capacity is improved, but resource usage efficiency deteriorates when traffic is imbalanced
Solution Approach 1:
The patent implements dynamic switching between full duplex and half duplex operations based on traffic conditions. The base station determines whether to perform full duplex or half duplex operation in FD time resources according to downlink and uplink traffic states, allowing the system to adapt its duplex mode dynamically rather than being fixed, thereby optimizing resource usage efficiency while maintaining communication capacity.
2Adaptability or versatility
If TDD configuration with FD time resources is used, then communication flexibility is improved, but downlink performance deteriorates in high downlink traffic environments
Solution Approach 1:
The patent changes the operational parameters of FD time resources based on traffic conditions. When downlink traffic is high, the system switches FD time resources to half duplex downlink operation, effectively changing the duplex mode parameter to prioritize downlink performance. This parameter adaptation allows the system to maintain communication flexibility while ensuring reliable downlink performance when needed.
3Object-affected harmful factors
If limited frequency resources are allocated in FD time resources, then interference is reduced, but throughput deteriorates
Solution Approach 1:
The patent dynamically adjusts frequency resource allocation in FD time resources based on traffic conditions. When downlink traffic is high, the system allocates more frequency resources to downlink by switching to half duplex mode, thereby increasing throughput. When interference is a concern, the system can switch to full duplex mode with balanced resource allocation. This dynamic resource allocation resolves the contradiction between interference reduction and throughput optimization.
Data Source
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AI summary
Provided are an operating method of an apparatus in a wireless communication system, and the apparatus. The apparatus determines a specific time resource that is a full duplex resource, receives information indicating whether a fallback operation is allowed for the specific time resource, and performs different operations on the basis of the information, in the specific time resource. If the information does not allow the fallback operation, a full duplex operation is performed in the specific time resource, and if the information allows the fallback operation, a TDD fallback operation is performed in the specific time resource.