NR V2X Resource Reselection via Unused Opportunity Counter
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing sidelink communication resources, particularly in scenarios where consecutive unused transmission opportunities occur, leading to suboptimal resource utilization and potential communication disruptions.
Innovation Solution
A method is proposed for operating a wireless communication system, where a first apparatus determines a sensing window, performs resource selection based on sensing within this window, and triggers resource reselection when a threshold value related to consecutive unused transmission opportunities is reached, ensuring efficient resource allocation and utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If resource allocation is maintained statically without reselection, then device complexity is reduced, but resource utilization efficiency deteriorates when consecutive unused transmission opportunities occur
Solution Approach 1:
The patent implements dynamic resource reselection by introducing a counter mechanism that tracks consecutive unused transmission opportunities. When the counter reaches a threshold, the system triggers resource reselection, transforming the static resource allocation into a dynamic adaptive system that responds to actual transmission conditions.
Solution Approach 2:
The system employs feedback through the counter mechanism that monitors transmission opportunity usage. The counter value is continuously updated based on whether transmission opportunities are used, and this feedback triggers resource reselection when the threshold is reached, creating a closed-loop control system for resource management.
2Reliability
If resource reselection is triggered frequently, then communication reliability is improved, but loss of time increases due to repeated resource selection procedures
Solution Approach 1:
The patent changes the parameter of resource reselection triggering from frequent or continuous monitoring to threshold-based triggering. By introducing a counter threshold parameter, the system balances between maintaining communication reliability and avoiding excessive resource selection operations that would consume time.
Solution Approach 2:
The system implements periodic resource reselection based on the counter reaching a threshold value, rather than continuous or frequent reselection. This periodic action triggered by the threshold condition reduces the time loss associated with resource selection while maintaining adequate communication reliability.
3Manufacturing precision
If sensing window size is increased for more accurate resource selection, then manufacturing precision of resource allocation is improved, but loss of time increases due to extended sensing duration
Solution Approach 1:
The patent applies partial sensing by monitoring only a specific number of consecutive unused transmission opportunities through the counter mechanism, rather than performing exhaustive sensing over extended periods. This partial action achieves sufficient resource allocation precision while reducing the time loss associated with comprehensive sensing.
Data Source
AI summary
A method of operating the first apparatus 100 in a wireless communication system is proposed. The method may include: performing resource selection for at least one period, wherein each of the at least one period includes at least one transmission resource; increasing a value related to a consecutive unused transmission opportunity by 1, based on that transmission is not performed on all transmission resources within a first period included in the at least one period; and triggering resource reselection based on that the value related to a consecutive unused transmission opportunity reaches a threshold value related to a consecutive unused transmission opportunity.