Propagation Characteristics of Air-to-Air Channels in Urban Environments

Lai Zhou, Zhi Yang, Guangyue Zhao, Shidong Zhou, Cheng-Xiang Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

18 Citations (Scopus)
302 Downloads (Pure)


In this paper, we study the propagation characteristics of air-to-air (A2A) channels in a virtual urban scenario generated with the ITU-R model. Based on ray- tracing simulations, we explore the behavior of large- scale fading when taking the environmental setup into consideration. Our analytical results show that the large-scale fading statistics, e.g., pathloss exponent (PLE) and shadow fading variance, are associated with the receiver height and elevation angle. Furthermore, we derive an approximate expression for line-of-sight probability according to the deployment and distribution of buildings. The expression is characterized as a function of receiver height and elevation angle with the condition of high transmitter height. To efficiently evaluate the performance of unmanned aerial vehicle (UAV) communication systems, we then propose an empirical propagation channel prediction model, which can be easily extended to different scenarios in the ITU-R model.

Original languageEnglish
Title of host publication2018 IEEE Global Communications Conference (GLOBECOM)
ISBN (Electronic)9781538647271
Publication statusPublished - 21 Feb 2019
Event2018 IEEE Global Communications Conference - Abu Dhabi, United Arab Emirates
Duration: 9 Dec 201813 Dec 2018

Publication series

NameGlobal Communications Conference (GLOBECOM)
ISSN (Electronic)2576-6813


Conference2018 IEEE Global Communications Conference
Abbreviated titleGLOBECOM 2018
Country/TerritoryUnited Arab Emirates
CityAbu Dhabi


  • air-to-air channels
  • LOS probability
  • pathloss model
  • raytracing
  • UAV communications

ASJC Scopus subject areas

  • Information Systems and Management
  • Renewable Energy, Sustainability and the Environment
  • Safety, Risk, Reliability and Quality
  • Signal Processing
  • Modelling and Simulation
  • Instrumentation
  • Computer Networks and Communications


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