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A study of distributed storage systems with network coding in wireless networks
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori.
KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre. KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori.ORCID-id: 0000-0002-5407-0835
2014 (engelsk)Inngår i: 2014 IEEE International Conference on Communication Systems, IEEE ICCS 2014, 2014, s. 293-297Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Increasing multimedia applications on the networks e.g., video and voice over the Internet, have attracted lots of interest to the distributed storage systems. Recently, lots of research has been performed on applying network coding to distributed storage systems. Although there are intensive theoretical studies in this field, very few practical simulations have been reported. We simulate distributed storage systems using network coding. In particular, we first use random linear network in reconstructing a file and in the repair process. We observe that probability of successful repair and successful downloading approaches to one for a large finite field size. In addition, we apply a lower complexity code and measure their probability of successful downloading, probability of successful repair, repair time and processing time. Our numerical results show for random linear codes, connecting to more storage nodes can substantially reduce the required finite field size. This leads to lower coding complexity.

sted, utgiver, år, opplag, sider
2014. s. 293-297
Emneord [en]
distributed stoareg systems, Network coding, regenerating codes, Codes (symbols), Complex networks, Data storage equipment, Multiprocessing systems, Probability, Repair, Coding complexity, Distributed storage system, Lower complexity, Multimedia applications, Numerical results, Random linear codes, Theoretical study
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Identifikatorer
URN: urn:nbn:se:kth:diva-167846DOI: 10.1109/ICCS.2014.7024812Scopus ID: 2-s2.0-84923582616ISBN: 9781479958320 (tryckt)OAI: oai:DiVA.org:kth-167846DiVA, id: diva2:820790
Konferanse
2014 IEEE International Conference on Communication Systems, IEEE ICCS 2014, 19 November 2014 through 21 November 2014
Merknad

QC 20150612

Tilgjengelig fra: 2015-06-12 Laget: 2015-05-22 Sist oppdatert: 2015-06-12bibliografisk kontrollert

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