期刊
IEEE COMMUNICATIONS SURVEYS AND TUTORIALS
卷 21, 期 3, 页码 2361-2391出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/COMST.2019.2915069
关键词
Air-to-ground (AG); channel measurement; channel modeling; drone; large and small scale fading; sounding; unmanned aerial vehicle (UAV)
资金
- NSF [CNS-1453678]
- National Aeronautics and Space Administration (NASA) through Federal Award [NNX17AJ94A]
In recent years, there has been a dramatic increase in the use of unmanned aerial vehicles (UAVs), particularly for small UAVs, due to their affordable prices, wide availability, and relative ease of operability. Existing and future applications of UAVs include remote surveillance and monitoring, relief operations, package delivery, and communication back-haul infrastructure. Additionally, UAVs are envisioned as an important component of 5G wireless technology and beyond. The unique application scenarios for UAVs necessitate accurate air-to-ground (AG) propagation channel models for designing and evaluating UAV communication links for control/non-payload as well as payload data transmissions. These AG propagation models have not been investigated in detail, relative to terrestrial propagation models. In this paper, a comprehensive survey is provided on available AG channel measurement campaigns, large and small scale fading channel models, their limitations, and future research directions for UAV communication scenarios.
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