Beam-Formed Sidelink Coordination for Overlapping Resource Conflicts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently coordinating beam-formed sidelink operations between user equipment, leading to resource conflicts and suboptimal utilization of available resources.
Innovation Solution
Implementing sidelink inter-UE coordination mechanisms that utilize beam-formed transmission and sensing techniques to resolve resource conflicts and enhance resource allocation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If beam-formed sidelink operations are implemented between user equipment, then communication efficiency and resource utilization are improved, but resource conflicts and coordination complexity increase
Solution Approach 1:
The patent introduces a coordination mechanism where user equipment acts as an intermediary to sense and report resource conflicts to the network. The network then coordinates resource allocation between beam-formed sidelink operations, reducing direct coordination complexity between UEs while maintaining improved resource utilization through centralized management.
Solution Approach 2:
The patent implements feedback loops where user equipment continuously senses the wireless environment, detects resource conflicts in beam-formed transmissions, and reports this information back to the network. The network uses this feedback to dynamically adjust resource allocation, resolving the contradiction between improved productivity and increased complexity by making the system adaptive rather than statically complex.
2Reliability
If inter-UE coordination mechanisms are implemented, then resource conflicts are reduced, but system complexity and overhead increase
Solution Approach 1:
The patent enables user equipment to autonomously sense the wireless environment and identify resource conflicts without requiring complex centralized coordination for every interaction. Each UE independently performs sensing and basic conflict detection, reducing the burden on the network and simplifying the overall system architecture while maintaining reliable conflict resolution.
Solution Approach 2:
The patent implements preliminary sensing and resource selection procedures where user equipment prepares resource allocations in advance based on sensed conditions, before actual beam-formed transmissions occur. This preliminary action prevents resource conflicts before they arise, reducing the need for complex real-time coordination mechanisms and lowering overall system complexity.
Data Source
AI summary
A first wireless device receives, from a second wireless device, first sidelink control information (SCI) indicating a first reserved resource for a sidelink reception based on a first sidelink (SL) reference signal (RS). The first wireless device receives, from a third wireless device and based on a second SL RS, second SCI indicating a second reserved resource overlapping in time and frequency with the first reserved resource. The first wireless device transmits, in response to the first SL RS and the second SL RS being quasi co-located (QCLed), conflict information to the second wireless device.