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Recent Findings on Erasure Codes for Space Communications

Garrammone, Giuliano and De Cola, Tomaso and Matuz, Balazs and Liva, Gianluigi (2014) Recent Findings on Erasure Codes for Space Communications. International Journal of Satellite Communications and Networking, 32 (3), pp. 201-211. Wiley. DOI: 10.1002/sat.1062 ISSN 1542-0973

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Abstract

Implementation of automatic repeat request strategies is the main reliability option available in the Consultative Committee for Space Data Systems protocols to support data communications in deep-space missions. The large latency often experienced in such scenarios, however, penalizes the efficiency of retransmissions, making the overall applicability of automatic repeat request problematic. On the contrary, the use of erasure codes is a more appealing solution to mitigate packet losses. In this regard, preliminary studies on the use of binary low-density parity-check codes under maximum likelihood/iterative decoding have already shown the performance benefit they can bring with respect to traditional schemes based on retransmissions. This paper extends the analysis conducted in previous studies toward non-binary low-density parity-check codes. Performance assessment is carried out with respect to reliability metrics (codeword error rate) and encoding/decoding complexity. Finally, the integration of erasure codes into the Consultative Committee for Space Data Systems protocol stack is discussed, by presenting the implementation in the Licklider Transmission Protocol.

Item URL in elib:https://elib.dlr.de/86650/
Document Type:Article
Title:Recent Findings on Erasure Codes for Space Communications
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Garrammone, GiulianoDLRUNSPECIFIED
De Cola, TomasoDLRUNSPECIFIED
Matuz, BalazsDLRUNSPECIFIED
Liva, GianluigiDLRUNSPECIFIED
Date:May 2014
Journal or Publication Title:International Journal of Satellite Communications and Networking
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:32
DOI :10.1002/sat.1062
Page Range:pp. 201-211
Publisher:Wiley
ISSN:1542-0973
Status:Published
Keywords:erasure codes; LDPC Codes; CCSDS; DTN; LTP; ML decoding
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Multimedia Satellitennetze
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Satellite Networks
Deposited By: Garrammone, Giuliano
Deposited On:12 Dec 2013 11:41
Last Modified:08 Mar 2018 18:39

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