UAV Selection and Link Switching Policy for Hybrid Tethered UAV-Assisted Communication

Unmanned aerial vehicles (UAVs) have been a frontier of communication technology research for their unique advantages. Their mobility and flexibility enable their use in next-generation wireless networks. This letter explores tethered UAV-assisted hybrid cooperative communication to improve the end-...

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Bibliographic Details
Published in:IEEE communications letters 2021-07, Vol.25 (7), p.2410-2414
Main Authors: Pai, Vinay U., Sainath, B.
Format: Article
Language:English
Subjects:
Collaborative UAVs
Communication
Diversity reception
Fading channels
hybrid PHY
link switching
Millimeter waves
outage probability
path loss
Power system reliability
Probability
Radio frequency
Relays
Signal to noise ratio
Switching
UAV selection
Unmanned aerial vehicles
Wireless networks
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Summary:Unmanned aerial vehicles (UAVs) have been a frontier of communication technology research for their unique advantages. Their mobility and flexibility enable their use in next-generation wireless networks. This letter explores tethered UAV-assisted hybrid cooperative communication to improve the end-to-end performance of the links between base stations and user equipment. We propose a simple, novel, channel state information (CSI)-free UAV selection policy and a hybrid PHY layer (RF or mmWave or FSO) link switching policy. We develop an insightful outage probability analysis of the proposed policy. The policy and its analysis serve as a useful analytical benchmark for UAV-assisted wireless systems.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2021.3070197