UE Feedback Triggering by Traversable Distance Thresholds
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Solution Overview
Problem
Current techniques for providing feedback information between user equipment (UEs) in wireless communications systems fail to accurately utilize various information for calculating the traversable distance, leading to increased signaling overhead and network congestion.
Innovation Solution
UEs calculate a traversable distance based on location and map information to determine if they are within a threshold distance for triggering feedback reporting, thereby reducing unnecessary signaling by transmitting feedback only when within a traversable range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If UEs transmit feedback signals based on two dimensional or three dimensional distance calculations, then feedback reporting is triggered, but signaling overhead increases and network congestion occurs
Solution Approach 1:
The patent changes the distance calculation method from Euclidean distance (2D/3D) to traversable distance based on road network graphs. This parameter change in distance metric leads to more accurate representation of actual vehicle proximity, reducing false feedback triggers and thereby decreasing signaling overhead
Solution Approach 2:
The patent introduces map information and road network graph as an intermediary layer between UE location data and distance calculation. This intermediary enables more accurate traversable distance computation by considering actual road connectivity, reducing unnecessary feedback transmissions and network congestion
2Measurement precision
If UEs calculate traversable distance using location and map information, then feedback reporting accuracy improves, but calculation complexity increases
Solution Approach 1:
The patent performs preliminary actions by pre-processing map information into road network graphs and pre-calculating traversable distances or distance thresholds. This preliminary preparation reduces real-time calculation complexity while maintaining high traversable distance accuracy for feedback triggering decisions
Solution Approach 2:
The system utilizes readily available map information and location data that UEs already possess or can easily obtain. By leveraging these existing resources, the patent reduces additional computational burden while achieving accurate traversable distance calculations
3Quantity of substance
If UEs refrain from transmitting feedback signals when distance exceeds range value, then network congestion reduces, but feedback reliability may be compromised
Solution Approach 1:
The patent changes the distance parameter from simple Euclidean distance to traversable distance based on road network connectivity. This ensures that feedback triggering reflects actual vehicle proximity and connectivity, maintaining reliability by only suppressing feedback when vehicles are truly too far apart to be relevant
Data Source
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AI summary
Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may receive, from a second UE, a first control signal indicating a range value corresponding to a threshold distance for triggering feedback reporting from the first UE for transmissions from the second UE. The first UE may calculate a traversable distance corresponding to a traversable route between the first UE and the second UE, determine, based on the calculated traversable distance and the range value, whether the first UE is within the threshold distance for triggering feedback reporting, and perform, based on whether the first UE is within the threshold distance, a feedback procedure for the feedback reporting. The first UE may receive, from the second UE, a second control signal indicating a type of distance measurement corresponding to the threshold distance for triggering feedback reporting.