Random Access Priority Handling in Two-Step RACH Conflicts
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Solution Overview
Problem
In the context of the new two-step random access procedure in communications technologies, user equipment (UE) faces challenges in determining how to transmit random access request information when its transmission resources conflict with other transmission resources, leading to unreliable information transmission.
Innovation Solution
The proposed solution involves prioritizing the transmission of random access request information or target information based on configured or prescribed transmission priority, ensuring that information with higher priority is transmitted first, thereby resolving conflicts and ensuring reliable transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transmission resources for random access request information conflict with other transmission resources, then the terminal cannot determine how to transmit information, but introducing transmission priority rules resolves the conflict and ensures reliable transmission
Solution Approach 1:
The patent introduces transmission priority as a new parameter to resolve resource conflicts. By assigning different priority levels to random access request information and target information, the system transforms an undecidable conflict situation into a deterministic transmission decision based on priority comparison, thereby ensuring reliable transmission while maintaining clear decision rules.
2Reliability
If the terminal transmits random access request information when resources conflict, then transmission reliability improves, but resource allocation efficiency may deteriorate
Solution Approach 1:
The patent applies preliminary action by pre-configuring transmission priorities for different information types before conflicts occur. The network side assigns priority levels in advance, so when resource conflicts arise, the terminal can immediately execute predetermined transmission decisions without complex real-time negotiations, thus ensuring reliable transmission of high-priority information while maintaining overall resource allocation efficiency.
Data Source
AI summary
This disclosure provides an information transmission method and a terminal. The information transmission method according to the embodiments of this disclosure includes: in a case that transmission of random access request information conflicts with transmission of target information, transmitting the random access request information or the target information based on transmission priority.