{"title":"Drone Detection With a LTE450-Based Passive Radar","authors":"Bruno Demissie, Christian Steffes","doi":"10.1049/rsn2.70092","DOIUrl":null,"url":null,"abstract":"<p>Passive reconnaissance solutions receive increased interest as unjammable fibre-optic drones represent a large number of UAVs in recent military conflicts. In order to equip critical infrastructure with an early warning system against drone attacks, it seems obvious to use the local communication infrastructure as illuminator for a passive radar. In Germany and other European countries, a blackout resistant LTE network in the 450 MHz band for critical infrastructure sites is currently rolled outed or already planned. In this contribution, we provide a proof of concept and present experimental results with a LTE450-based single- and multichannel passive radar for drone detection. To ease the signal processing while achieving a clearer ambiguity-function, only the reference elements contained in the OFDM symbols are used. For removing the dominant direct path contribution from the illuminator, an ad hoc approach is used which exploits the space-time structure of the received OFDM reference elements.</p>","PeriodicalId":50377,"journal":{"name":"Iet Radar Sonar and Navigation","volume":"19 1","pages":""},"PeriodicalIF":1.5000,"publicationDate":"2025-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ietresearch.onlinelibrary.wiley.com/doi/epdf/10.1049/rsn2.70092","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Iet Radar Sonar and Navigation","FirstCategoryId":"94","ListUrlMain":"https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/rsn2.70092","RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
Passive reconnaissance solutions receive increased interest as unjammable fibre-optic drones represent a large number of UAVs in recent military conflicts. In order to equip critical infrastructure with an early warning system against drone attacks, it seems obvious to use the local communication infrastructure as illuminator for a passive radar. In Germany and other European countries, a blackout resistant LTE network in the 450 MHz band for critical infrastructure sites is currently rolled outed or already planned. In this contribution, we provide a proof of concept and present experimental results with a LTE450-based single- and multichannel passive radar for drone detection. To ease the signal processing while achieving a clearer ambiguity-function, only the reference elements contained in the OFDM symbols are used. For removing the dominant direct path contribution from the illuminator, an ad hoc approach is used which exploits the space-time structure of the received OFDM reference elements.
期刊介绍：
IET Radar, Sonar & Navigation covers the theory and practice of systems and signals for radar, sonar, radiolocation, navigation, and surveillance purposes, in aerospace and terrestrial applications.
Examples include advances in waveform design, clutter and detection, electronic warfare, adaptive array and superresolution methods, tracking algorithms, synthetic aperture, and target recognition techniques.
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