机器学习用于改善城市车辆与基础设施通信系统中的路径丢失预测
Mongi Ben Ameur1, Jalel Chebil2, Mohamed Hadi Habaebi3
1ENISO, NOCCS Laboratory, University of Sousse, Sousse, Tunisia.
Frontiers in artificial intelligence
|July 28, 2025
概括
机器学习模型,特别是XGBoost,比传统方法显著改善了车辆与基础设施 (V2I) 通信的路径损失预测. 环境分类系统进一步提高了城市环境中的预测准确性.
科学领域:
- 无线通信无线通信
- 机器学习 机器学习
- 无线电传播 无线电传播
背景情况:
- 可靠的车辆到基础设施 (V2I) 通信对于智能交通系统至关重要.
- 准确的路径损失预测对于V2I系统设计和性能优化至关重要.
- 现有的实证模型可能会在复杂的城市无线电环境中扎.
研究的目的:
- 研究和比较机器学习模型的性能与V2I路径损失预测的传统实证模型.
- 开发一个增强的路径损失预测模型,包括环境分类系统.
- 在城市V2I场景中确定影响路径丢失的关键因素.
主要方法:
- 从八个路边单元 (RSU) 站点采集了5.9 GHz的经验路径损失测量.
- 机器学习模型,包括极端梯度增强 (XGBoost) 和多层感知器 (MLP),进行了训练和评估.
- 性能与传统的双斜坡和第三代伙伴关系项目 (3GPP) 模型在开放,郊区和密集城市化环境中进行了基准测试.
- 基于建筑密度,街道几何形状和发射器位置,开发了一个新的环境分类系统.
主要成果:
- 与传统模型相比,机器学习模型,特别是XGBoost,在较低的根平均平方误差 (RMSE) 方面表现出卓越的性能,特别是在复杂的城市环境中.
- 拟议的环境分类系统提高了预测的稳定性.
- 功能重要性分析确定了距离,环境类和发射器高度作为路径损失的关键预测因素.
结论:
- 机器学习技术,特别是XGBoost,在各种城市环境中为V2I路径损失预测准确性提供了重大进步.
- 开发的环境分类系统提高了预测可靠性.
- 结果为设计适应性和可靠的V2I通信系统提供了宝贵的见解.
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