V2X UE Sensing Information Combination for Resource Efficiency
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Solution Overview
Problem
In vehicle-to-everything (V2X) communication systems, there is a need to improve the sharing of wireless communication resources among competing devices to enhance transmission reliability and reduce collisions, as existing methods may lead to increased network overhead and resource inefficiencies due to the combination of sensing information from multiple user equipment (UEs).
Innovation Solution
A method where a first UE measures its own sensing information and combines it with information received from a second UE only under specific conditions, such as satisfying a received signal power threshold or receiving a negative acknowledgment, to identify and utilize optimal transmission resources for sidelink communications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sensing information is combined from multiple UEs, then transmission reliability is improved, but network overhead increases
Solution Approach 1:
The patent applies local quality by making the sensing information combination selective rather than universal. Each UE determines whether to combine sensing information based on local conditions such as whether it is the initiating UE or whether specific combining conditions are met. This selective approach ensures reliability improvement is achieved only where necessary, thereby reducing unnecessary network overhead from transmitting and processing sensing information in all cases.
2Reliability
If sensing information is combined from multiple UEs, then collision reduction is improved, but resource efficiency deteriorates
Solution Approach 1:
The patent implements local quality by enabling collision reduction through sensing information combination only in specific local scenarios. The initiating UE or UEs with met combining conditions perform the combination, while other UEs transmit their sensing information selectively. This targeted approach reduces collisions where needed without the resource efficiency penalty of universal combination, as sensing information is not unnecessarily transmitted or processed in all cases.
3Quantity of substance
If sensing information combination is limited by conditions, then network overhead is reduced, but measurement precision requirements increase
Solution Approach 1:
The patent applies preliminary action by establishing combining conditions in advance that define when sensing information should be combined. These pre-defined conditions (such as UE role designation or specific channel states) allow the system to make deterministic decisions about combination without requiring complex real-time analysis. This approach reduces network overhead by avoiding unnecessary combination while maintaining measurement precision through clear, pre-established criteria for when high-precision combination is warranted.
Data Source
AI summary
A method of wireless communication performed by a first user equipment (UE) includes measuring first sensing information and receiving second sensing information from a second UE. The method also includes combining the second sensing information with the first sensing information based on determining a combining condition is satisfied. The method further includes identifying transmission resources from the combined sensing information. The method still further includes transmitting data via the identified transmission resources.


