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Two edge type LDPC codes for the wiretap channel
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. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0001-9307-484X
Vise andre og tillknytning
2009 (engelsk)Inngår i: Conference Record - Asilomar Conference on Signals, 2009, Vol. Systems and Computers, s. 834-838Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We consider transmission over a wiretap channel where both the main channel and the wiretapper's channel are Binary Erasure Channels (BEC). We propose a code construction using two edge type LDPC codes based on the method of Thangaraj, Dihidar, Calderbank, McLaughlin and Merolla. The advantage of our construction is that we can easily calculate the threshold over the main channel. Using standard LDPC codes with a given threshold over the BEC we give a construction for a two edge type LDPC code with the same threshold. Since this construction gives a code for the main channel with threshold zero we also give numerical methods to find two edge type LDPC codes with non-zero threshold for the main channel.

sted, utgiver, år, opplag, sider
2009. Vol. Systems and Computers, s. 834-838
Emneord [en]
Binary erasure channel, Code construction, LDPC codes, Two-edge type LDPC code, Wiretap channel, Coding errors, Numerical methods, Communication channels (information theory)
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Identifikatorer
URN: urn:nbn:se:kth:diva-30321DOI: 10.1109/ACSSC.2009.5469981Scopus ID: 2-s2.0-77953825394OAI: oai:DiVA.org:kth-30321DiVA, id: diva2:400093
Konferanse
43rd Asilomar Conference on Signals, Systems and Computers; Pacific Grove
Merknad

QC 20110224

Tilgjengelig fra: 2011-02-24 Laget: 2011-02-23 Sist oppdatert: 2018-01-12bibliografisk kontrollert

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Thobaben, RagnerSkoglund, Mikael

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