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Impact of an Interfering Node on Unmanned Aerial Vehicle Communications

Title
Impact of an Interfering Node on Unmanned Aerial Vehicle Communications
Authors
Kim, MinsuLee, Jemin
DGIST Authors
Kim, Minsu; Lee, Jemin
Issue Date
2019-12
Citation
IEEE Transactions on Vehicular Technology, 68(12), 12150-12163
Type
Article
Article Type
Article
Author Keywords
Unmanned aerial vehicle (UAV)interfering nodeair-to-air channelline-of-sight probabilityoutage probability
Keywords
UAV COMMUNICATIONSCELLULAR NETWORKSPLACEMENTALTITUDEDESIGNLOS
ISSN
0018-9545
Abstract
Unlike terrestrial communications, unmanned aerial vehicle (UAV) communications have some advantages such as the line-of-sight (LoS) environment and flexible mobility. However, the interference will be still inevitable. In this paper, we analyze the effect of an interfering node on the UAV communications by considering the LoS probability and different channel fading for LoS and non-line-of-sight (NLoS) links, which are affected by horizontal and vertical distances of the communication link. We then derive a closed-form outage probability in the presence of an interfering node for all the possible scenarios and environments of main and interference links. After discussing the impacts of transmitting and interfering node parameters on the outage probability, we show the existence of the optimal height of the UAV that minimizes the outage probability. We also show the NLoS environment can be better than the LoS environment if the average received power of the interference is more dominant than that of the transmitting signal on UAV communications. Finally, we analyze the network outage probability for the case of multiple interfering nodes using stochastic geometry and the outage probability of the single interfering node case, and show the effect of the interfering node density on the optimal height of the UAV.
URI
http://hdl.handle.net/20.500.11750/11400
DOI
10.1109/TVT.2019.2949345
Publisher
Institute of Electrical and Electronics Engineers Inc.
Files:
There are no files associated with this item.
Collection:
Department of Information and Communication EngineeringISC(Information Security and Communication) Lab1. Journal Articles


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