V2X Terminal Resource Segmentation for Interference Avoidance
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Solution Overview
Problem
Communication compatibility and coexistence issues arise between terminal devices operating in different transmission modes in V2X communication systems, leading to interference and degraded channel environments due to incompatible transmission characteristics.
Innovation Solution
The solution involves determining an association relationship between radio resource information and transmission characteristic information to select a direct link transmission resource set supporting the first transmission characteristic, allowing terminal devices to transmit service data using compatible transmission characteristics, thereby avoiding interference and improving communication quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If terminal devices use different transmission modes (first transmission mode with 64QAM and transmit diversity, second transmission mode without) to enhance service capabilities, then service functionality is improved, but communication compatibility and coexistence deteriorate due to interference between incompatible transmission characteristics
Solution Approach 1:
The patent segments the transmission resource pool into multiple sub-pools, where each sub-pool is dedicated to a specific transmission mode (first transmission mode or second transmission mode). This segmentation allows terminal devices with different transmission modes to select appropriate sub-pools for message transmission, thereby maintaining service functionality while avoiding interference and ensuring communication compatibility.
2Adaptability or versatility
If terminal devices transmit service data using incompatible transmission characteristics to support enhanced services, then service capability is improved, but channel environment quality deteriorates due to interference between different transmission modes
Solution Approach 1:
The patent applies local quality by assigning different transmission characteristics to different sub-pools within the transmission resource pool. Each sub-pool has localized transmission characteristics matched to specific terminal device capabilities, allowing enhanced services to be provided without causing interference to other terminal devices using different transmission modes.
3Reliability
If dynamic switching between base station forwarding and direct communication is implemented to adapt to network conditions, then communication reliability is improved, but system complexity increases due to multiple transmission modes and resource configurations
Solution Approach 1:
The patent implements dynamics by enabling terminal devices to dynamically select between different sub-pools based on their transmission mode capabilities and network conditions. The system can dynamically switch between base station forwarding and direct communication by selecting appropriate sub-pools, thereby maintaining communication reliability while managing system complexity through structured resource allocation.
Data Source
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AI summary
This application provides a service transmission method and apparatus, and relates to the field of communications technologies, to resolve communication compatibility and coexistence problems between terminal devices operating in different transmission modes. The terminal device determines, based on a relationship between radio resource information and transmission characteristic information, a first transmission resource set supporting a first transmission characteristic, when determining to transmit service data by using the first transmission characteristic, selects a direct link transmission resource from the first transmission resource set supporting the first transmission characteristic to transmit the service data, and transmits the service data on the selected direct link transmission resource. Because different transmission resource sets may be corresponding to different transmission characteristics, interference to another terminal device caused when the terminal device transmits, on different transmission resource sets, the service data by using the transmission characteristic supported by the transmission resource set can be avoided, thereby resolving problems of communication compatibility and coexistence between terminal devices that use different transmission characteristics or operate in different transmission modes.