MAC Uplink Grant Priority Comparison for 5G Resource Conflicts
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Solution Overview
Problem
Existing 5G Industrial Internet of Things (IIoT) systems face conflicts in resource allocation due to the prioritization of lower priority resources, leading to unnecessary blocking of higher priority resource transmissions, particularly in Time Sensitive Networks (TSN) scenarios involving data and control channels.
Innovation Solution
A method for handling multiple resource conflicts by configuring a medium access control (MAC) entity with a target priority comparison manner, ensuring that uplink grants are prioritized or deprioritized based on specific conditions, such as CS-RNTI, C-RNTI, and logical channel priorities, to avoid blocking and ensure high-priority resource transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional resource allocation is used in 5G IIoT systems, then resource transmission occurs without sophisticated priority management, but resource conflicts between data channels, control channels, and uplink control information lead to unnecessary transmission blocking and reliability issues
Solution Approach 1:
The patent applies preliminary action by performing priority comparisons before resource transmission occurs. The MAC entity compares the priority of each uplink grant with compared resources in advance, determining whether to prioritize or de-prioritize resources before actual transmission, thereby preventing transmission blocking and ensuring reliable resource allocation in 5G IIoT systems
Solution Approach 2:
The patent segments the resource allocation process into distinct priority comparison stages. It divides uplink grants into different priority levels (first priority, second priority, third priority) and processes each segment separately through systematic priority comparison with compared resources, enabling fine-grained control over resource transmission reliability
2Productivity
If priority comparison is performed for each uplink grant with compared resources, then resource transmission blocking is avoided and priority resource transmission is ensured, but the processing complexity and time required for resource allocation increases
Solution Approach 1:
The patent applies partial action by performing priority comparisons selectively rather than exhaustively for all possible resource combinations. The MAC entity compares uplink grants with compared resources based on specific conditions and priority levels, avoiding unnecessary full-comparison overhead while still preventing transmission blocking and ensuring efficient resource allocation
Solution Approach 2:
The patent performs preliminary priority comparisons and determinations before actual resource transmission. By establishing priority relationships in advance between uplink grants and compared resources, the system reduces real-time processing requirements and minimizes time loss during actual transmission, thereby improving overall resource allocation efficiency
Data Source
AI summary
Embodiments of the present disclosure provide a method for processing multiple resource conflicts and a terminal device, used for avoiding unnecessary resource transmission blocking and ensuring priority resource transmission. The method may comprise: when a target priority comparison mode is configured for a medium access control (MAC) entity, for each uplink grant, performing priority comparison between the uplink grant and a compared resource.