毫米波通信技术在5G无人驾驶中的应用研究  

Research on the Application of Millimeter Wave Communication Technology in 5G Autonomous Driving

作　　者：王迎山 WANG Yingshan(Ericsson(China)Communications Co.,Ltd.Beijing 100102)

机构地区：[1]爱立信(中国)通信有限公司北京,北京100102

出　　处：《长江信息通信》2025年第2期13-15,共3页Changjiang Information & Communications

摘　　要：随着5G技术的快速发展,毫米波通信凭借其超大带宽和低延迟特性,在无人驾驶领域展现出巨大应用潜力。通过对24GHz、28GHz和39GHz三个典型频段的实验研究,分析了不同天气条件下毫米波信号传输特性、路径损耗模型以及多普勒效应对通信质量的影响。研究表明,采用波束赋形技术和自适应天线阵列可有效克服毫米波传输距离短、穿透能力弱等缺陷,在城市场景下实现稳定的车联网通信。实验数据显示,优化后的系统可将通信时延降至1ms以下,支持超高清视频回传和车辆实时控制需求。With the rapid development of 5G technology,millimeter wave communication has shown great potential in the field of autonomous driving due to its ultra large bandwidth and low latency characteristics.Through experimental research on three typical frequency bands of 24GHz,28GHz,and 39GHz,the transmission characteristics of millimeter wave signals,path loss models,and the impact of Doppler effect on communication quality under different weather conditions were analyzed.Research has shown that the use of beamforming technology and adaptive antenna arrays can effectively overcome the shortcomings of short transmission distance and weak penetration ability of millimeter waves,and achieve stable vehicle networking communication in urban scenarios.Experimental data shows that the optimized system can reduce communication latency to below 1ms,supporting ultra high definition video feedback and real-time vehicle control requirements.

关 键 词：毫米波通信 5G技术 无人驾驶 波束赋形 路径损耗 多普勒效应 

分 类 号：TN929.5[电子电信—通信与信息系统]