Pattern-Based Sidelink Scheduling with Autonomous UE Resource Selection
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Solution Overview
Problem
Existing sidelink communication in wireless networks is inefficient due to increased over-the-air signaling and computational load on base stations, leading to higher latency.
Innovation Solution
A distributed and centralized approach to sidelink scheduling, where UEs negotiate or are assisted by a base station to determine communication patterns, reducing the need for base station scheduling and minimizing over-the-air signaling and computational load.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If base station schedules UEs on sidelink resources, then communication reliability is improved, but signaling overhead and computational load increase
Solution Approach 1:
The patent enables UEs to autonomously select and negotiate their own sidelink resources without base station scheduling. The UE independently determines resource allocation based on pre-configured parameters and channel conditions, eliminating the need for continuous base station intervention and reducing signaling overhead while maintaining communication reliability through self-optimized resource selection
Solution Approach 2:
The base station provides pre-configuration parameters for sidelink communication before actual data transmission. These pre-configured parameters include resource pools, modulation schemes, and other communication settings that enable UEs to perform autonomous resource selection without requiring real-time scheduling decisions from the base station, thus reducing computational load and signaling overhead
2Ease of operation
If base station schedules sidelink communication, then resource allocation control is improved, but latency increases
Solution Approach 1:
UEs autonomously perform resource selection and negotiation for sidelink communication without waiting for base station scheduling decisions. The UE independently monitors channel conditions, selects appropriate resources from pre-configured pools, and establishes communication parameters, eliminating the time delay associated with base station scheduling cycles and reducing overall communication latency
Solution Approach 2:
The base station pre-configures resource pools and communication parameters before sidelink transmission begins. This preliminary configuration enables UEs to immediately start autonomous resource selection and communication setup without requiring real-time scheduling commands from the base station, significantly reducing the time required for resource allocation and lowering latency
Data Source
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AI summary
A first apparatus may receive, from a base station, information associated with sidelink communication. The first apparatus may determine, based on the information associated with sidelink communication, a sidelink communication pattern associated with a second UE. The first apparatus may communicate with the second UE on a first sidelink channel based on the sidelink communication pattern associated with the second UE. A second apparatus may determine a resource allocation associated with sidelink communication. The second apparatus may broadcast information indicating the resource allocation associated with sidelink communication. The second apparatus may refrain from scheduling any UEs on the resource allocation associated with sidelink communication.