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

VSEngineering Contradiction Analysis

1Reliability

If sensing information is combined from multiple UEs, then transmission reliability is improved, but network overhead increases

Engineering Contradiction:
Improvetransmission reliabilityVSAvoidnetwork overhead
Core Design Contradiction:
ReliabilityVSQuantity of substance

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.

Inventive Principle:
Principle #3Local quality

2Reliability

If sensing information is combined from multiple UEs, then collision reduction is improved, but resource efficiency deteriorates

Engineering Contradiction:
Improvecollision reductionVSAvoidresource efficiency
Core Design Contradiction:
ReliabilityVSProductivity

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.

Inventive Principle:
Principle #3Local quality

3Quantity of substance

If sensing information combination is limited by conditions, then network overhead is reduced, but measurement precision requirements increase

Engineering Contradiction:
Improvenetwork overheadVSAvoidsensing information accuracy
Core Design Contradiction:
Quantity of substanceVSMeasurement precision

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.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11540224B2Vehicle-to-everything (V2X) inter-user equipment (UE) coordination
Publication Date: 2022.12.27 QUALCOMM INC
  • US11540224B2 patent drawing
  • US11540224B2 patent drawing
  • US11540224B2 patent drawing

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.