Sidelink Shared COT Transmission Mode Selection for Fair Channel Access
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Solution Overview
Problem
The unclear utilization of shared channel occupancy time (COT) in sidelink communication scenarios hinders efficient data and signaling transmission between terminals.
Innovation Solution
A terminal obtains shared COT through sidelink transmission and determines the transmission mode of data and signaling based on this COT, utilizing methods such as destination selection, logical channel prioritization, and listen-before-talk protocols to ensure compliant channel access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If shared COT is introduced to sidelink communication, then channel access efficiency is improved, but transmission mode determination clarity deteriorates
Solution Approach 1:
The patent applies preliminary action by having the first terminal indicate the shared COT information before the second terminal needs to determine transmission modes. This advance indication allows the second terminal to clearly understand the transmission parameters without ambiguity, resolving the contradiction between improved channel access efficiency and maintained determination clarity.
Solution Approach 2:
The patent implements feedback mechanisms where terminals exchange shared COT information and transmission mode indications through standardized signaling procedures. This feedback loop ensures that both terminals have clear understanding of the transmission parameters, maintaining determination clarity while enabling efficient shared channel access.
2Reliability
If destination selection and logical channel prioritization are implemented, then transmission reliability is improved, but processing complexity increases
Solution Approach 1:
The patent applies parameter changes by using predefined priority levels and destination identifiers that simplify the selection process. Instead of complex real-time calculations, the system changes parameters such as priority values and destination IDs to guide the selection process, improving reliability while controlling processing complexity through standardized parameter sets.
Data Source
AI summary
This application discloses a sidelink-based transmission method and device, and a readable storage medium. The method in embodiments of this application includes: A terminal obtains shared COT through sidelink transmission, and the terminal determines a transmission mode of at least one of data and signaling based on the shared COT.