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Altitude-Dependent RSRP and RSRQ Trade-offs in 5G NR UAV Networks
Md Sharif Ho · 2026-05-26 · via cs updates on arXiv.org

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Abstract:Cellular-connected unmanned aerial vehicles (UAVs) in 5G NR networks experience propagation and interference conditions that vary significantly with altitude and differ substantially from those experienced by terrestrial users. This is primarily caused by the down-tilted antenna sectors in 5G NR networks, which cause UAVs to be served (and interfered with) by the sidelobes. In this paper, we develop a 3GPP-compliant system-level framework for the consistent characterization of key performance indicators (KPIs) such as reference signal received power (RSRP), reference signal received quality (RSRQ), and signal-to-interference-and-noise ratio (SINR) in a multi-site tri-sector deployment with realistic antenna patterns and probabilistic models for line-of-sight (LOS) and non-LOS (NLOS) conditions. Simulation results demonstrate that a critical transition for aerial users is experienced when going from coverage-limited to interference-limited conditions at higher altitudes. Although RSRP is affected by large-scale propagation characteristics and degrades gradually with increasing altitude and inter-site distance (ISD), SINR degrades much faster due to increased interference caused by LOS conditions. On the contrary, increasing ISD improves SINR and RSRQ due to lower interference, even as received power is reduced.
Comments: 7 pages, 6 figures, 1 table
Subjects: Networking and Internet Architecture (cs.NI)
Cite as: arXiv:2605.24669 [cs.NI]
  (or arXiv:2605.24669v1 [cs.NI] for this version)
  https://doi.org/10.48550/arXiv.2605.24669

arXiv-issued DOI via DataCite (pending registration)

Submission history

From: Md Sharif Hossen [view email]
[v1] Sat, 23 May 2026 17:11:35 UTC (4,284 KB)