Joint Optimization of Altitude and Transmission Direction in UAV-Based Two-Way Communication

Wenqian Huang; Dong Min Kim; Wenrui Ding; Petar Popovski

doi:10.1109/LWC.2019.2903041

Joint Optimization of Altitude and Transmission Direction in UAV-Based Two-Way Communication

Wenqian Huang, Dong Min Kim, Wenrui Ding, Petar Popovski

Research output: Contribution to journal › Journal article › Research › peer-review

10 Citations (Scopus)

Abstract

Unmanned aerial vehicles (UAVs) can be used as flying base stations. When one-way communication is considered, either uplink or downlink, the system performance is limited by the strong co-channel interference that takes place over the UAV-ground channel. This letter considers two-way communication and takes advantage of the fact that the interference over ground-ground channel is likely lower than the one over the UAV-ground channel. This sets the stage for joint optimization of the user association, UAV altitude, and transmission direction, which is shown to lead to improved system throughput for a given known placement of the ground devices.

Original language	English
Article number	8660449
Journal	I E E E Wireless Communications Letters
Volume	8
Issue number	4
Pages (from-to)	984-987
Number of pages	4
ISSN	2162-2337
DOIs	https://doi.org/10.1109/LWC.2019.2903041
Publication status	Published - Aug 2019

Keywords

UAV two-way communication
Unmanned aerial vehicle (UAV)
interference spin

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title = "Joint Optimization of Altitude and Transmission Direction in UAV-Based Two-Way Communication",

abstract = "Unmanned aerial vehicles (UAVs) can be used as flying base stations. When one-way communication is considered, either uplink or downlink, the system performance is limited by the strong co-channel interference that takes place over the UAV-ground channel. This letter considers two-way communication and takes advantage of the fact that the interference over ground-ground channel is likely lower than the one over the UAV-ground channel. This sets the stage for joint optimization of the user association, UAV altitude, and transmission direction, which is shown to lead to improved system throughput for a given known placement of the ground devices.",

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AU - Huang, Wenqian

AU - Kim, Dong Min

AU - Ding, Wenrui

AU - Popovski, Petar

PY - 2019/8

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N2 - Unmanned aerial vehicles (UAVs) can be used as flying base stations. When one-way communication is considered, either uplink or downlink, the system performance is limited by the strong co-channel interference that takes place over the UAV-ground channel. This letter considers two-way communication and takes advantage of the fact that the interference over ground-ground channel is likely lower than the one over the UAV-ground channel. This sets the stage for joint optimization of the user association, UAV altitude, and transmission direction, which is shown to lead to improved system throughput for a given known placement of the ground devices.

AB - Unmanned aerial vehicles (UAVs) can be used as flying base stations. When one-way communication is considered, either uplink or downlink, the system performance is limited by the strong co-channel interference that takes place over the UAV-ground channel. This letter considers two-way communication and takes advantage of the fact that the interference over ground-ground channel is likely lower than the one over the UAV-ground channel. This sets the stage for joint optimization of the user association, UAV altitude, and transmission direction, which is shown to lead to improved system throughput for a given known placement of the ground devices.

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KW - interference spin

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JO - I E E E Wireless Communications Letters

JF - I E E E Wireless Communications Letters

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Joint Optimization of Altitude and Transmission Direction in UAV-Based Two-Way Communication

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Keywords

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