The Role of Collective Perception and 5G NR-V2X Sidelink in Road Safety

2026-09-01

AI Summary

研究探讨了通过5G NR-V2X直连通信分享感知信息对道路安全的影响，采用网络级仿真分析了不同对象选择策略下的通信可靠性、延迟及信道占用情况。

Abstract

Vehicles and roadside infrastructure are increasingly equipped with sensors capable of perceiving their surroundings. Sharing this information through vehicle-to-everything (V2X) communications is a key enabler of Day-2 applications and is supported by the ETSI collective perception service (CPS). While CPS is expected to play a fundamental role in future intelligent transportation systems, its operation may significantly increase channel load, posing challenges in terms of radio resource utilization, communication reliability, and information management. This paper reviews the current status of CPS standardization and investigates its impact in dense deployment scenarios where connected vehicles communicate through fifth-generation (5G) New Radio-V2X (NR-V2X) sidelink (SL) communications. The main contribution is a realistic evaluation of communication reliability, latency, channel occupancy, and information usefulness under different object-selection strategies for collective perception messages. The analysis is conducted through a network-level simulation framework integrating empirical object traces derived from real-world datasets, thereby avoiding the limitations of synthetic traffic models. Results show that perception message generation and radio access mechanisms are tightly coupled and should be jointly designed to maximize the benefits of collective perception services.

Problem

• Collective Perception Service
• V2X Communications
• Channel Load
• Radio Resource Utilization
• Communication Reliability

Innovation

• collective perception
• 5G NR-V2X sidelink
• realistic evaluation
• communication reliability
• joint design