Low Altitude Air-to-Ground Channel Characterization in LTE Network

Xuesong Cai, Nanxin Wang, José Rodríguez-Piñeiro, Xuefeng Yin, Antonio Pérez Yuste, Wei Fan, Guojin Zhang, Gert Frølund Pedersen, Li Tian

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Abstract

Low altitude unmanned aerial vehicle (UAV)-aided applications are promising in the future generation communication systems. In this paper, a recently conducted measurement campaign for characterizing the low-altitude air-to-ground (A2G) channel in a typical Long Term Evolution (LTE) network is introduced. Five horizontal flights at the heights of 15, 30, 50, 75, and 100m are applied, respectively. The realtime LTE downlink signal is recorded by using the Universal Software Radio Peripheral (USRP)-based channel sounder onboard the UAV. Channel impulse responses (CIRs) are extracted from the cell specific signals in the recorded downlink data. To shed lights on the physical propagation mechanisms, propagation graph simulation is exploited. Moreover, path loss at different heights are investigated and compared based on the empirical data. The simulated and empirical results provide valuable understanding of the low altitude A2G channels.
Original languageEnglish
Title of host publication13th European Conference on Antennas and Propagation (EuCAP)
Number of pages5
PublisherIEEE
Publication date20 Jun 2019
Article number8740183
ISBN (Print)978-1-5386-8127-5
ISBN (Electronic)978-88-907018-8-7
Publication statusPublished - 20 Jun 2019
EventThe 13th European Conference on Antennas and Propagation - Krakow, Krakow, Poland
Duration: 31 Mar 20195 Apr 2019
https://www.eucap2019.org/

Conference

ConferenceThe 13th European Conference on Antennas and Propagation
LocationKrakow
CountryPoland
CityKrakow
Period31/03/201905/04/2019
Internet address

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Keywords

  • Air-to-ground channel
  • LTE
  • channel measurements
  • graph modeling and path loss

Cite this

Cai, X., Wang, N., Rodríguez-Piñeiro, J., Yin, X., Pérez Yuste, A., Fan, W., Zhang, G., Pedersen, G. F., & Tian, L. (2019). Low Altitude Air-to-Ground Channel Characterization in LTE Network. In 13th European Conference on Antennas and Propagation (EuCAP) [8740183] IEEE.