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

Xuesong Cai, Nanxin Wang, Jose Rodriguez-Pineiro, Xuefeng Yin, Antonio Perez Yuste, Wei Fan, Guojin Zhang, Gert Frolund Pedersen, Li Tian

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

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 100 m 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 2019
PublisherIEEE - Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788890701887
ISBN (Print)9781538681275
Publication statusPublished - 2019 Mar
Externally publishedYes
Event13th European Conference on Antennas and Propagation, EuCAP 2019 - Krakow, Poland
Duration: 2019 Mar 312019 Apr 5

Conference

Conference13th European Conference on Antennas and Propagation, EuCAP 2019
Country/TerritoryPoland
CityKrakow
Period2019/03/312019/04/05

Bibliographical note

Funding Information:
This work was jointly supported by National Natural Science Foundation of China (NSFC) (Grant No. 61850410529 and Grant No. 61471268), the project “Propagation channel measurements, parameter estimation and modeling for multiple scenarios” of Shanghai Institute of Microsystem and Information Technology, China Academy of Science, the project funded by China Ministry of Industry and Information Technology under Grant No. 2018ZX03001031-003, Danish Council for independent research under Grant DFF611100525, Virtusuo project funded by Innovation Fund Denmark, and Huawei technologies.

Publisher Copyright:
© 2019 European Association on Antennas and Propagation.

Subject classification (UKÄ)

  • Communication Systems
  • Telecommunications

Free keywords

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

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