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Layered LDPC Convolutional Codes for Compression of Correlated Sources under Adversarial Attacks
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-9853-2608
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9307-484X
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2012 (English)In: 2012 International Symposium on Information Theory and Its Applications, ISITA 2012, IEICE , 2012, 165-169 p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider the problem of code design for compression of correlated sources under adversarial attacks. A scenario with three correlated sources is considered in which at most one source is compromised by an adversary. The theoretical minimum achievable sum-rate for this scenario was derived by Kosut and Tong. We design layered LDPC convolutional codes for this problem, assuming that one of the sources is available at the common decoder as side information. We demonstrate that layered LDPC convolutional codes constitute a sequence of nested codes where each sub-code is capacity-achieving for the binary symmetric channels used to model the correlation between sources, and therefore, can ideally achieve the theoretical minimum sum-rate. Simulated performance results for moderate block length show a small gap to the theoretical limit, and as the block length increases the gap vanishes.

Place, publisher, year, edition, pages
IEICE , 2012. 165-169 p.
Keyword [en]
Binary symmetric channel, Block lengths, Code designs, Correlated sources, LDPC convolutional codes, Nested codes, Side information, Simulated performance, Small gaps, Sum-rate, Theoretical limits, Theoretical minimum
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-99264ISI: 000320850700035Scopus ID: 2-s2.0-84873538811ISBN: 978-1-4673-2521-9 (print)OAI: oai:DiVA.org:kth-99264DiVA: diva2:541728
Conference
2012 International Symposium on Information Theory and Its Applications, ISITA 2012; Honolulu, HI; United States; 28 October 2012 through 31 October 2012
Funder
ICT - The Next Generation
Note

QC 20130114

Available from: 2012-07-23 Created: 2012-07-23 Last updated: 2014-05-27Bibliographically approved

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isita2012(222 kB)141 downloads
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ScopusPublished version at IEEE Xplore

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Naghibi, FarshadThobaben, RagnarSkoglund, Mikael

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CiteExportLink to record
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