Dynamic Resource Release in NR-V2X Nodes for Bursty Traffic
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing LTE-V2X system is limited to broadcast communication and struggles with supporting aperiodic bursty traffic, which is not efficiently managed due to rigid resource allocation methods, whereas the emerging NR-V2X system needs to accommodate more flexible and dynamic resource allocation to meet the diverse requirements of 5G applications like Vehicles Platooning.
Innovation Solution
A method for resource allocation in the NR-V2X system that allows User Equipment (UE) to dynamically release reserved resources and allocate them flexibly for bursty data transmission, creating a connection between different priority levels and resource groups to optimize resource utilization during emergent service requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional sensing-based periodic resource reservation is used in LTE-V2X, then resource allocation is simple and standardized, but the system cannot flexibly support aperiodic bursty traffic and emergent service requirements
Solution Approach 1:
The patent introduces dynamic resource allocation mechanisms that allow UEs to flexibly release and reallocate reserved resources based on emergent service requirements. The system transitions from static periodic resource reservation to dynamic resource management, where resources can be released early and reallocated to higher priority services, enabling adaptability to aperiodic bursty traffic patterns.
Solution Approach 2:
The patent changes the parameter of resource allocation from fixed periodic intervals to variable dynamic allocation based on service priority and traffic patterns. By introducing priority-based resource release mechanisms and configurable resource pools, the system adapts resource allocation parameters to match emergent service requirements, transforming rigid LTE-V2X allocation into flexible NR-V2X allocation.
2Productivity
If rigid resource allocation is used for periodic traffic, then resource management is efficient and predictable, but aperiodic bursty traffic cannot be transmitted efficiently
Solution Approach 1:
The patent segments the resource pool into multiple priority levels and service types, allowing different resource allocation strategies for periodic and aperiodic traffic. By dividing resources into dedicated periodic resource pools and flexible aperiodic resource pools, the system maintains efficient periodic resource management while enabling productive aperiodic traffic transmission through priority-based resource release and reallocation.
3Reliability
If resources are reserved in advance for periodic communication, then resource availability is guaranteed, but resources cannot be released for emergent services
Solution Approach 1:
The patent implements feedback mechanisms where UEs monitor service requirements and resource usage patterns, then dynamically adjust resource reservation and release decisions. The system uses priority information and traffic status feedback to determine when to release reserved resources, balancing reliability guarantees for periodic services with adaptability for emergent services through continuous monitoring and dynamic adjustment.
Solution Approach 2:
The patent prepares multiple resource pools in advance with different priority levels and allocation strategies, so when emergent services arise, pre-configured resources can be quickly released and reallocated without complex real-time negotiations. This preliminary setup of flexible resource pools enables rapid response to emergent services while maintaining reliability for periodic traffic.
Data Source
AI summary
The present disclosure provides a method and a device in nodes for wireless communication. A first node receives first control information, the first control information being used for indicating a first radio resource group, and the first control information being used for indicating a first priority; chooses a target radio resource from a target resource pool; and transmits a first radio signal in the target radio resource; the first radio signal corresponds to a second priority; if the second priority is lower than the first priority, the target resource pool is orthogonal with the first radio resource group. The method adopted in the present disclosure allows part of reserved resources to be released temporarily to meet abrupt service requirements, so as to achieve timely transmission of aperiodic and emergent service data, and thereby realizing efficient utilization of radio resources.