Local V2X Misbehavior Detection for Receive-Side Message Integrity

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Solution Overview

Problem

Existing wireless communication systems lack effective mechanisms to detect and mitigate misbehavior in vehicle-to-everything (V2X) messages, which can compromise the reliability and safety of vehicle telematics information exchange.

Innovation Solution

A user equipment (UE) is equipped with a communication manager to detect misbehavior conditions in local V2X information sources, receive incoming V2X messages, and generate misbehavior decisions based on these conditions, enabling the UE to notify a receive-side misbehavior detection system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If misbehavior detection mechanisms are implemented in V2X communication, then reliability is improved, but device complexity increases

Engineering Contradiction:

ImproveV2X communication reliabilityVSAvoidUE system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The misbehavior detection functionality is segmented into separate modules: a misbehavior detection module that monitors local V2X information sources, a message reception module that handles incoming V2X messages, and a decision generation module that produces misbehavior decisions. This segmentation allows each module to perform its specific function independently, improving reliability while managing complexity through modular design.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system performs preliminary detection of misbehavior conditions in local V2X information sources before processing incoming V2X messages. By detecting misbehavior conditions in advance and generating misbehavior decisions proactively, the system prepares the receive-side misbehavior detection system ahead of time, improving overall reliability without adding significant operational complexity.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If misbehavior detection and notification systems are added to V2X UEs, then V2X message integrity is improved, but processing time increases

Engineering Contradiction:

ImproveV2X message integrityVSAvoidMessage processing time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

Each UE performs self-detection of misbehavior conditions in its own local V2X information sources and generates its own misbehavior decisions. This self-service approach allows parallel processing of detection and message handling, reducing the time penalty while improving message integrity through distributed validation.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system implements feedback mechanisms where misbehavior decisions are generated and communicated to the receive-side misbehavior detection system. This feedback loop enables continuous monitoring and rapid response to misbehavior conditions, maintaining message integrity while optimizing processing time through iterative refinement of detection algorithms.

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS12470954B2Notifying local vehicle-to-everything misbehavior to receive-side local misbehavior detection system

Publication Date: 2025.11.11 QUALCOMM INC

AI summary

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect a misbehavior condition in a local vehicle-to-everything (V2X) information source. The UE may receive an incoming V2X message. The UE may generate a misbehavior decision for the incoming V2X message based at least in part on the misbehavior condition in the local V2X information source. Numerous other aspects are described.