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Towards Modern Air-to-Air Communications: the LDACS A2A Mode

Bellido-Manganell, Miguel Angel and Schnell, Michael (2019) Towards Modern Air-to-Air Communications: the LDACS A2A Mode. In: 38th IEEE/AIAA Digital Avionics Systems Conference, DASC 2019. 38th Digital Avionics Systems Conference (DASC), 2019-09-08 - 2019-09-12, San Diego, California, USA. doi: 10.1109/DASC43569.2019.9081678. ISBN 978-172810649-6. ISSN 2155-7195.

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Abstract

The increasing air traffic foreseen for the next decades has triggered an extensive modernization of the air traffic management. Specifically, new air traffic services and operational concepts have been defined and shall be supported during all phases of flight by a set of modern digital data links integrated into a single communications network named the Future Communications Infrastructure (FCI). The air-to-air (A2A) component of the FCI, the L-band Digital Aeronautical Communications System (LDACS) A2A mode, is currently in the initial stages of its development. Given that the LDACS A2A mode must be able to operate without any ground or satellite support, the data link must provide means for the aircraft to establish and organize an independent communications ad-hoc network, which imposes a great challenge for the design of the data link and specially for its medium-access control. In this paper, we contribute to the development of the LDACS A2A mode by assessing the performance of an A2A data link based on two different medium-access protocols; ALOHA with and without diversity, and a self-organizing time-division multiple-access (STDMA) scheme. The performance is obtained by simulating the implemented models of both the ALOHA-based and the STDMA-based A2A data link for different design parameters, requirements, and air traffic conditions. The obtained results show that the STDMA-based A2A data link performs better than the ALOHA-based A2A data link in most considered cases, given than the former requires a lower bandwidth than the latter to achieve the desired performance. Based on our analysis, we conclude that STDMA is a better candidate than ALOHA with or without diversity for the medium-access control of the LDACS A2A mode.

Item URL in elib:https://elib.dlr.de/128456/
Document Type:Conference or Workshop Item (Speech)
Title:Towards Modern Air-to-Air Communications: the LDACS A2A Mode
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Bellido-Manganell, Miguel AngelUNSPECIFIEDhttps://orcid.org/0000-0002-0668-3477UNSPECIFIED
Schnell, MichaelUNSPECIFIEDhttps://orcid.org/0000-0001-5913-6648UNSPECIFIED
Date:September 2019
Journal or Publication Title:38th IEEE/AIAA Digital Avionics Systems Conference, DASC 2019
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI:10.1109/DASC43569.2019.9081678
ISSN:2155-7195
ISBN:978-172810649-6
Status:Published
Keywords:AANET, air-to-air, aircraft-to-aircraft, A2A, A/A, ALOHA, FANET, LDACS, medium-access control (MAC), self-organizing, STDMA, TDMA
Event Title:38th Digital Avionics Systems Conference (DASC)
Event Location:San Diego, California, USA
Event Type:international Conference
Event Start Date:8 September 2019
Event End Date:12 September 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Communication, Navigation and Surveillance (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Communications Systems
Deposited By: Bellido-Manganell, Miguel Angel
Deposited On:18 Oct 2019 10:27
Last Modified:24 Apr 2024 20:32

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