Sidelink Resource Pool Configuration for Sub-Band Full Duplex
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently configuring sidelink resource pools, particularly with sub-band full duplex (SBFD) slots, which can reduce available bandwidth and lead to diminished sidelink throughput and misconfiguration of user equipment (UE) communications.
Innovation Solution
The method involves identifying and configuring sidelink resource pools based on smaller-bandwidth resources, excluding SBFD slots with smaller uplink bandwidths, and using separate resource pools for SBFD and uplink slots to optimize resource allocation and reduce ambiguity in sidelink communication configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If SBFD slots are included in the sidelink resource pool, then resource utilization is improved, but bandwidth availability deteriorates due to smaller uplink bandwidth
Solution Approach 1:
The resource pool is segmented into separate configurations for SBFD slots and uplink slots. Each segment has its own resource pool configuration, allowing independent optimization. SBFD resource pools use smaller bandwidth suitable for full duplex operation, while uplink resource pools use larger bandwidth for traditional uplink communication.
Solution Approach 2:
Different quality characteristics are applied to different parts of the resource pool. SBFD slots are configured with smaller bandwidth and specific sub-channel sizes appropriate for full duplex operation, while uplink slots maintain larger bandwidth configurations. This local differentiation resolves the bandwidth conflict by allowing each slot type to operate with optimal parameters for its specific function.
2Device complexity
If a single resource pool configuration is used for both SBFD and uplink slots, then configuration simplicity is improved, but communication reliability deteriorates due to misconfiguration
Solution Approach 1:
The resource pool configuration is divided into separate configurations for SBFD and uplink slots. The network entity configures multiple resource pools with different parameters, and the UE identifies which resource pool applies to each slot type based on slot indication information. This segmentation prevents misconfiguration by ensuring each slot type uses the appropriate resource pool settings.
3Manufacturing precision
If SBFD resources are excluded from the resource pool, then configuration accuracy is improved, but resource utilization deteriorates
Solution Approach 1:
The resource pool configuration mechanism is designed to be universal, supporting both SBFD and uplink slots through a unified configuration framework. The network entity configures multiple resource pools that can be selectively applied to different slot types, allowing the system to accommodate both full duplex and traditional uplink communication modes without requiring separate specialized mechanisms.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive information indicating a plurality of resources for a resource pool associated with sidelink communication. The UE may identify a set of resources of the plurality of resources to be included in the resource pool, wherein identifying the set of resources is based at least in part on one or more resources of the plurality of resources being sub-band full duplex resources. The UE may communicate on the resource pool using at least part of the set of resources. Numerous other aspects are described.