Detecting Airborne Objects with 5G NR Radars
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arXiv
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| Format: | Preprint |
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2025
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| author | Blandino, Steve Golmie, Nada Sahoo, Anirudha Nguyen, Thao Ropitault, Tanguy Griffith, David Sonny, Amala |
| author_facet | Blandino, Steve Golmie, Nada Sahoo, Anirudha Nguyen, Thao Ropitault, Tanguy Griffith, David Sonny, Amala |
| contents | The integration of sensing capabilities into 5G New Radio (5G NR) networks offers an opportunity to enable the detection of airborne objects without the need for dedicated radars. This paper investigates the feasibility of using standardized Positioning Reference Signals (PRS) to detect UAVs in Urban Micro (UMi) and Urban Macro (UMa) propagation environments. A full 5G NR radar processing chain is implemented, including clutter suppression, angle and range estimation, and 3D position reconstruction. Simulation results show that performance strongly depends on the propagation environment. 5G NR radars exhibit the highest missed detection rate, up to 16%, in UMi, due to severe clutter. Positioning error increases with target distance, resulting in larger errors in UMa scenarios and at higher UAV altitudes. In particular, the system achieves a position error within 4m in the UMi environment and within 8m in UMa. The simulation platform has been released as open-source software to support reproducible research in integrated sensing and communication (ISAC) systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_24763 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Detecting Airborne Objects with 5G NR Radars Blandino, Steve Golmie, Nada Sahoo, Anirudha Nguyen, Thao Ropitault, Tanguy Griffith, David Sonny, Amala Signal Processing Networking and Internet Architecture The integration of sensing capabilities into 5G New Radio (5G NR) networks offers an opportunity to enable the detection of airborne objects without the need for dedicated radars. This paper investigates the feasibility of using standardized Positioning Reference Signals (PRS) to detect UAVs in Urban Micro (UMi) and Urban Macro (UMa) propagation environments. A full 5G NR radar processing chain is implemented, including clutter suppression, angle and range estimation, and 3D position reconstruction. Simulation results show that performance strongly depends on the propagation environment. 5G NR radars exhibit the highest missed detection rate, up to 16%, in UMi, due to severe clutter. Positioning error increases with target distance, resulting in larger errors in UMa scenarios and at higher UAV altitudes. In particular, the system achieves a position error within 4m in the UMi environment and within 8m in UMa. The simulation platform has been released as open-source software to support reproducible research in integrated sensing and communication (ISAC) systems. |
| title | Detecting Airborne Objects with 5G NR Radars |
| topic | Signal Processing Networking and Internet Architecture |
| url | https://arxiv.org/abs/2505.24763 |