Radio Resource Segmentation for Full Duplex Compatibility
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Solution Overview
Problem
Advanced full duplex communication technology is incompatible with older user equipment (UE) and results in low communication quality due to residual interference, leading to frequent retransmissions and reduced data throughput.
Innovation Solution
Divide available radio resources into first and second radio resources, where the first resources are used for bidirectional transmission and the second resources for unidirectional transmission, allowing for compatibility with both new and old UE versions and improving communication quality by eliminating interference on shared time-frequency resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If advanced full duplex communication technology is used to enable bidirectional transmission on same time frequency resources, then spectrum resource utilization is improved, but compatibility with older user equipment deteriorates and communication quality reduces due to residual interference
Solution Approach 1:
The patent segments radio resources into first radio resources for bidirectional transmission and second radio resources for unidirectional transmission. This segmentation allows the system to simultaneously support advanced full duplex communication (on first resources) while maintaining compatibility with older equipment (on second resources), thereby resolving the contradiction between improving spectrum utilization and maintaining adaptability.
2Productivity
If advanced full duplex communication technology is used to enable bidirectional transmission on same time frequency resources, then spectrum resource utilization is improved, but communication quality deteriorates due to residual interference requiring multiple retransmissions
Solution Approach 1:
The patent divides radio resources into two segments: first radio resources where bidirectional transmission is enabled with advanced interference mitigation techniques, and second radio resources where unidirectional transmission is used to guarantee communication quality. This segmentation allows the system to improve overall spectrum utilization while maintaining high reliability for critical transmissions.
Solution Approach 2:
The patent applies different transmission modes to different radio resources based on local requirements. First radio resources use bidirectional transmission with advanced techniques for scenarios where spectrum efficiency is prioritized, while second radio resources use unidirectional transmission for scenarios where communication quality and reliability are paramount. This local differentiation resolves the contradiction between productivity and reliability.
3Adaptability or versatility
If unidirectional transmission is used on second radio resources for compatibility, then compatibility with older user equipment is improved, but spectrum resource utilization deteriorates
Solution Approach 1:
The patent creates a universal radio resource allocation system where second radio resources can serve both older user equipment (through unidirectional transmission) and advanced user equipment (through bidirectional transmission when needed). This multi-functionality ensures broad compatibility while maintaining the option to utilize all resources efficiently, thereby resolving the contradiction between adaptability and productivity.
Data Source
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AI summary
The present invention discloses a method and an apparatus for wireless communications, which relate to the field of communications and are used to solve the problem of a relatively low communication quality in the advanced full duplex communication technology. The method provided in the present invention includes: dividing available radio resources in a communication system into first radio resources and second radio resources, where the first radio resources and the second radio resources occupy different radio resources; simultaneously performing bidirectional transmission of communication information with a user equipment through the first radio resources; and performing unidirectional transmission of communication information with the user equipment through the second radio resources. The present invention is applicable to the field of communications and used for wireless communications.