5G Cell Measurement Reporting with Sidelink V2X Integrity Protection

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Solution Overview

Problem

There is a need to improve the process of collecting and reporting cell measurement information in next-generation mobile communication systems, and to efficiently support various V2X services by enhancing the integrity protection of V2X data packets in these systems.

Innovation Solution

A method and apparatus for a terminal to receive V2X-related parameters, generate and protect V2X data packets, and transmit them using a sidelink radio bearer, while a base station configures and receives these packets for efficient message transmission and reception.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cell measurement information is collected and reported in next-generation mobile communication systems, then network optimization and handover performance are improved, but system complexity and processing overhead increase

Engineering Contradiction:
Improvehandover performanceVSAvoidmeasurement collection process
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The measurement collection process is segmented into different types of measurements (first cell measurement information and second cell measurement information) with distinct collection conditions and reporting mechanisms, allowing the system to manage complexity through structured categorization while maintaining comprehensive measurement capabilities for network optimization

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system performs preliminary actions by collecting and storing measurement information in advance according to configured conditions, enabling efficient handover decisions and network optimization without real-time processing complexity, thus improving reliability while managing system complexity

Inventive Principle:
Principle #10Preliminary action

2Productivity

If V2X data packets are transmitted using sidelink radio bearer, then communication efficiency and service support are improved, but data integrity and security requirements increase

Engineering Contradiction:
Improvecommunication efficiencyVSAvoiddata integrity
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The system implements integrity protection mechanisms that provide feedback on data authenticity and completeness for V2X packets, ensuring that communication efficiency is maintained while data integrity requirements are met through verification protocols in the PDCP layer

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system changes the integrity protection parameter from traditional packet-level protection to per-packet integrity protection with configurable protection levels, allowing the system to adjust security measures based on the specific V2X service requirements while maintaining high communication efficiency

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3742791B1Method and device for collecting and reporting cell measurement information in next generation mobile communication system
Publication Date: 2025.07.23 SAMSUNG ELECTRONICS CO LTD
  • EP3742791B1 patent drawingFigure 1A
  • EP3742791B1 patent drawingFigure 1B
  • EP3742791B1 patent drawingFigure 1C

AI summary

The present disclosure relates to a communication method and a system thereof which merge IoT technology with a 5G communication system for supporting a higher data transmission rate than 4G systems. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. The present disclosure relates to a method and device for collecting and reporting cell measurement information in a next generation communication system, and relates to an integrity protection method and device for supporting vehicle communication.