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On the Application of Beamforming in LDACS

Gürbüz, Ayten and Mielke, Daniel M. and Bellido-Manganell, Miguel Angel (2022) On the Application of Beamforming in LDACS. In: ICNS 2022. Institute of Electrical and Electronics Engineers. ICNS 2022, 5-7 April 2022, Virginia, USA.

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Official URL: https://i-cns.org/

Abstract

Currently, aeronautical communications is under-going a modernization process from analog to digital technology. The L-band Digital Aeronautical Communications System (LDACS) is the upcoming digital data link for air-ground communications and is being standardized within ICAO as well as EUROCAE at the moment. A wireless communication system can be interrupted by intended or unintended jamming signals. Therefore, the robustness of wireless systems is crucial. In this paper, we investigate the use of beamforming in LDACS to improve its performance and robustness. We analyze different antenna array designs and assess their performance to find the most suitable configuration for LDACS. Accordingly, the chosen antenna array design is evaluated for different flight scenarios considering a realistic LDACS link budget. We show that the chosen phased antenna array design improves the signal-to-noise-ratio of the LDACS reverse link by over 10 dB. Hence, using beamforming, the robustness of LDACS can be enhanced and higher data rates can be achieved by applying the built-in LDACS adaptive coding and modulation capabilities.

Item URL in elib:https://elib.dlr.de/185649/
Document Type:Conference or Workshop Item (Speech)
Title:On the Application of Beamforming in LDACS
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Gürbüz, AytenAyten.Guerbuez (at) dlr.dehttps://orcid.org/0000-0002-3106-6438
Mielke, Daniel M.Daniel.Mielke (at) dlr.dehttps://orcid.org/0000-0003-0625-8910
Bellido-Manganell, Miguel AngelMiguel.BellidoManganell (at) dlr.dehttps://orcid.org/0000-0002-0668-3477
Date:2022
Journal or Publication Title:ICNS 2022
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Publisher:Institute of Electrical and Electronics Engineers
Status:Accepted
Keywords:LDACS, beamforming, phased antenna array
Event Title:ICNS 2022
Event Location:Virginia, USA
Event Type:international Conference
Event Dates:5-7 April 2022
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Air Transportation and Impact
DLR - Research area:Aeronautics
DLR - Program:L AI - Air Transportation and Impact
DLR - Research theme (Project):L - Cyber-Security Centric Communication, Navigation and Surveillance
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Communications Systems
Deposited By: Gürbüz, Ayten
Deposited On:29 Mar 2022 09:45
Last Modified:08 Apr 2022 03:00

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