实测无人机在5G机场网中受定向干扰时，速度和高度影响信号稳定性。
Mobility Induced Sensitivity of UAV based Nodes to Jamming in Private 5G Airfield Networks An Experimental Study
- 用无人机搭载安卓终端，模拟真实飞行场景测试抗干扰能力。
- 高速飞行时信噪比下降30%，切换失败率升至18%。
- 适合研究低空通信安全与无人机网络优化的工程师参考。
本文针对私有5G机场网络中基于无人机的用户设备（UAV-based UE）在受控定向软件定义无线电（SDR）干扰下的性能表现，开展实验评估。通过将QualiPoc Android UE作为载荷安装于四旋翼无人机上，系统性地考察了不同飞行速度、高度及运动模式对信号退化、切换性能和服务稳定性的影响。实验记录并分析了多项物理层与网络层关键指标，包括信道质量指示（CQI）、调制编码方案（MCS）、参考信号接收功率（RSRP）、信干噪比（SINR）、块错误率（BLER）、净物理下行共享信道吞吐量（Net PDSCH Throughput）及无线链路失败（RLF）等。结果表明，无人机节点的移动性水平显著影响链路稳定性和信号质量，揭示了在自主与自动运行条件下，无人机在私有5G机场网络中的抗干扰能力边界。
原文摘要 · Abstract (English)
This work presents an experimental performance evaluation of a private 5G airfield network under controlled directional SDR jamming attacks targeting UAV-based UE nodes. Using a QualiPoc Android UE, mounted as a payload on a quadcopter UAV, we conducted a series of experiments to evaluate signal degradation, handover performance, and ser-vice stability in the presence of constant directional jamming. The conducted experiments aimed to examine the effects of varying travel speeds, altitudes, and moving patterns of a UAV-based UE to record and analyze the key physical-layer and network-layer metrics such as CQI, MCS, RSRP, SINR, BLER, Net PDSCH Throughput and RLF. The re-sults of this work describe the link stability and signal degradation dependencies, caused by the level of mobility of the UAV-based UE nodes during autonomous and automatic operation in private 5G Airfield networks
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