D2D Resource Allocation via QoS-Based Pool Segmentation
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Solution Overview
Problem
Existing D2D resource allocation methods do not consider varying quality of service (QoS) demands for different D2D services, leading to inefficiencies and potential blocking of high QoS services by low QoS services in resource allocation.
Innovation Solution
The method involves determining and configuring D2D resource pool configurations based on QoS levels, transmitting this information to user equipment (UE), and selecting transmission resources accordingly to ensure that high QoS services are not preempted by low QoS services, thereby improving resource allocation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If common resource pool mode or dedicated resource mode is used for D2D resource allocation, then resource allocation can be performed, but high QoS services may be blocked by low QoS services due to lack of QoS differentiation
Solution Approach 1:
The patent segments the D2D resource pool into multiple sub-pools, where each sub-pool corresponds to a specific QoS level. This segmentation allows high QoS services to access dedicated resources without being blocked by low QoS services, while maintaining overall resource allocation efficiency through structured organization of the resource space.
Solution Approach 2:
The patent applies local quality by assigning different resource characteristics to different portions of the resource pool based on QoS requirements. Each sub-pool has tailored parameters (such as resource quantity, time-frequency distribution) that are optimized for its corresponding QoS level, ensuring that high QoS services receive preferential treatment while low QoS services utilize remaining resources.
2Ease of operation
If D2D services share the same resource pool without QoS consideration, then resource allocation simplicity is maintained, but resource allocation efficiency deteriorates due to potential blocking of high QoS services
Solution Approach 1:
The patent segments the D2D resource pool into multiple sub-pools, where each sub-pool corresponds to a specific QoS level. This segmentation allows high QoS services to access dedicated resources without being blocked by low QoS services, while maintaining overall resource allocation efficiency through structured organization of the resource space.
Solution Approach 2:
The patent changes key parameters of the resource allocation system by introducing QoS-level-based resource pool configurations. These parameters include the number of sub-pools, resource quantities per sub-pool, and time-frequency resource distributions, all tailored to different QoS levels to optimize both simplicity and efficiency.
3Device complexity
If D2D resource allocation does not differentiate QoS levels, then system complexity is reduced, but transmission demand satisfaction deteriorates for high QoS services
Solution Approach 1:
The patent segments the D2D resource pool into multiple sub-pools, where each sub-pool corresponds to a specific QoS level. This segmentation allows high QoS services to access dedicated resources without being blocked by low QoS services, while maintaining overall resource allocation efficiency through structured organization of the resource space.
Solution Approach 2:
The patent applies local quality by assigning different resource characteristics to different portions of the resource pool based on QoS requirements. Each sub-pool has tailored parameters (such as resource quantity, time-frequency distribution) that are optimized for its corresponding QoS level, ensuring that high QoS services receive preferential treatment while low QoS services utilize remaining resources.
Data Source
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AI summary
Disclosed are a D2D resource allocation method, and data transmission method and device, the D2D resource allocation method comprising: determining a D2D resource configuration corresponding to the quality of service (QoS) level of a D2D service; and transmitting to a user equipment (UE) the information of the D2D resource configuration corresponding to the service quality level of the D2D service. The D2D data transmission method comprises: according to the received information of the D2D resource configuration corresponding to the service quality level of the D2D service, selecting a transmission resource for the D2D service to be transmitted; and transmitting the data of the D2D service over the selected transmission resource. The D2D service transmission requirement is considered in allocating and selecting D2D resources, thus further improving the system D2D resource allocation efficiency without affecting the D2D service transmission requirement.