面向3GPP ISAC标准化的低空无人机场景路径损耗测量与建模

莫清媚; 张宇翔; 刘亚萌; 陈文俊; 姜涛; 王启星; 张建华

doi:10.11959/j.issn.2096-3750.2024.00426

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面向3GPP ISAC标准化的低空无人机场景路径损耗测量与建模

理论与技术 | 更新时间：2025-03-13

- 面向3GPP ISAC标准化的低空无人机场景路径损耗测量与建模
- Path loss measurement and modeling for low-altitude UAV scenarios towards 3GPP ISAC standadization
- 物联网学报 2024年8卷第3期页码：16-25
- 作者机构：
  
  1.北京邮电大学网络与交换技术全国重点实验室，北京 100876
  2.中国移动通信有限公司研究院，北京 100053
- 作者简介：
  
  [ "莫清媚（2001‒ ），女，北京邮电大学网络与交换技术全国重点实验室硕士生，主要研究方向为工业互联网、通信感知一体化、信道建模等。" ]
  [ "张宇翔（1992‒ ），男，博士，北京邮电大学网络与交换技术全国重点实验室特聘副研究员，主要研究方向为通感一体化和AI赋能的数字孪生信道技术、6G信道建模理论、OTA测试等。" ]
  [ "刘亚萌（1999‒ ），女，北京邮电大学网络与交换技术全国重点实验室博士生，主要研究方向为信道测量与建模、通信感知一体化、毫米波。" ]
  [ "陈文俊（2000‒ ），男，北京邮电大学网络与交换技术全国重点实验室硕士生，主要研究方向为面向6G通信感知一体化的信道测量与建模。" ]
  [ "姜涛（1992‒ ），男，博士，中国移动通信有限公司研究院研究员，主要研究方向为毫米波信道建模、通信感知一体化信道建模与标准化、无线通信系统设计等。" ]
  [ "王启星（1980‒ ），男，博士，中国移动通信有限公司研究院高级工程师，主要研究方向为5G与6G通信系统设计、通信感知一体化、虚拟MIMO、全息MIMO等。" ]
  [ "张建华（1976‒ ），女，博士，北京邮电大学教授，网络与交换技术全国重点实验室副主任、博士生导师，北邮一中国移动联合创新中心主任，主要研究方向为5G-A和6G信道建模和传输新技术，包括通信感知一体化、新中频、超大规模MIMO（XL-MIMO）、智能超表面、AI使能的信道预测与数字孪生，无线信道测量与OTA测试等方面。" ]
- 基金信息：
  
  国家自然科学基金项目(62341128;62201087;62401084;92167202);国家杰出青年科学基金项目(61925102);北京市自然科学基金项目(L243002)
- DOI：10.11959/j.issn.2096-3750.2024.00426
  中图分类号： TN929.5
- 收稿日期：2024-08-30，
  
  修回日期：2024-09-15，
  
  纸质出版日期：2024-09-10
- 稿件说明：
移动端阅览
莫清媚,张宇翔,刘亚萌等.面向3GPP ISAC标准化的低空无人机场景路径损耗测量与建模[J].物联网学报,2024,08(03):16-25.

MO Qingmei,ZHANG Yuxiang,LIU Yameng,et al.Path loss measurement and modeling for low-altitude UAV scenarios towards 3GPP ISAC standadization[J].Chinese Journal on Internet of Things,2024,08(03):16-25.
莫清媚,张宇翔,刘亚萌等.面向3GPP ISAC标准化的低空无人机场景路径损耗测量与建模[J].物联网学报,2024,08(03):16-25. DOI： 10.11959/j.issn.2096-3750.2024.00426.

MO Qingmei,ZHANG Yuxiang,LIU Yameng,et al.Path loss measurement and modeling for low-altitude UAV scenarios towards 3GPP ISAC standadization[J].Chinese Journal on Internet of Things,2024,08(03):16-25. DOI： 10.11959/j.issn.2096-3750.2024.00426.

摘要

随着低空经济的发展及无人机（UAV

unmanned aerial vehicle）的广泛应用，UAV飞行的监管挑战显著增大，通信感知一体化（ISAC

integrated sensing and communication）技术有望解决上述难题，因此第三代合作伙伴计划（3GPP

3rd Generation Partnership Project）将低空无人机确定为ISAC技术的重要应用场景之一。然而，UAV速度快、尺寸小及飞行高度高的特点会影响感知信号的接收强度与质量，因此亟须研究UAV感知信道的路径损耗特性与建模方法。针对15 GHz和28 GHz频段下的UAV单站感知信道进行测量，研究了感知水平距离、垂直高度差和目标雷达散射截面（RCS

radar cross section）对路径损耗的影响，发现了UAV目标信道和背景信道的低耦合特性，建立了UAV感知目标信道路径损耗与距离模型，支撑了3GPP标准化研究。

Abstract

With the advancement of the low-altitude economy and the widespread application of unmanned aerial vehicle (UAV)

regulatory challenges for UAV flights have significantly increased. Integrated sensing and communication (ISAC) technology is expected to solve the above problems. For this reason

the 3rd Generation Partnership Project (3GPP) had identified low-altitude UAV as one of the important application scenarios of ISAC technology. However

the fast flight speed

small size and high altitude of UAV could adversely affect the strength and quality of the received sensing signals. Consequently

there was an urgent need to investigate the path loss characteristics of the UAV sensing channel and develop effective model. Mono-static sensing channel measurements for UAV at frequencies of 15 GHz and 28 GHz were conducted. The impact of horizontal distance

vertical altitude differences

and the radar cross section (RCS) of the target on path loss were examined. The findings revealed low-coupling characteristics between the target and background channels. Subsequently

the path loss and distance model for the UAV sensing target channel was established

contributing to the ongoing progress of 3GPP standardization.

关键词

Keywords

references

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