Base Station Antenna Uptilt Optimization for Cellular-Connected Drone Corridors

Sung Joon Maeng; Md Moin Uddin Chowdhury; Ismail Güvenç; Arupjyoti Bhuyan; Huaiyu Dai

doi:10.1109/TAES.2023.3237994

Base Station Antenna Uptilt Optimization for Cellular-Connected Drone Corridors

Sung Joon Maeng
, Md Moin Uddin Chowdhury
, Ismail Güvenç
, Arupjyoti Bhuyan
, Huaiyu Dai

Critical Infrastructure Security and Resilience

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

Reliable wireless coverage in drone corridors is critical to enable a connected, safe, and secure airspace. To support beyond-visual-line-of-sight operations of aerial vehicles in a drone corridor, cellular base stations (BSs) can serve as a convenient infrastructure as they are widely deployed to provide seamless wireless coverage. However, antennas in the existing cellular networks are downtilted to optimally serve their ground users, which results in coverage holes at higher altitudes when they are used to serve drones. In this article, we consider the use of additional uptilted antennas at each cellular BS and optimize the uptilt angle to maximize the wireless coverage probability across a given drone corridor. Through numerical results, we characterize the optimal value of the antenna uptilt angle for a given antenna pattern as well as the minimum/maximum altitudes of the drone corridor.

Original language	English
Article number	4
Pages (from-to)	4729-4737
Number of pages	9
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	59
Issue number	4
Early online date	Jan 19 2023
DOIs	https://doi.org/10.1109/TAES.2023.3237994
State	Published - Aug 1 2023

Keywords

Antenna uptilt
drone corridor
national airspace (NAS)
outage probability
unmanned aerial vehicle (UAV)
unmanned aerial vehicle traffic management

INL Publication Number

INL/JOU-22-69528
141051

Access to Document

10.1109/TAES.2023.3237994

Cite this

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abstract = "Reliable wireless coverage in drone corridors is critical to enable a connected, safe, and secure airspace. To support beyond-visual-line-of-sight operations of aerial vehicles in a drone corridor, cellular base stations (BSs) can serve as a convenient infrastructure as they are widely deployed to provide seamless wireless coverage. However, antennas in the existing cellular networks are downtilted to optimally serve their ground users, which results in coverage holes at higher altitudes when they are used to serve drones. In this article, we consider the use of additional uptilted antennas at each cellular BS and optimize the uptilt angle to maximize the wireless coverage probability across a given drone corridor. Through numerical results, we characterize the optimal value of the antenna uptilt angle for a given antenna pattern as well as the minimum/maximum altitudes of the drone corridor.",

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AU - Dai, Huaiyu

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Base Station Antenna Uptilt Optimization for Cellular-Connected Drone Corridors

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