The free distance of fixed convolutional rate 2/4 codes meets the Costello bound

V.V Chepyshov; Ben Smeets; Kamil Zigangirov

doi:10.1109/18.144717

The free distance of fixed convolutional rate 2/4 codes meets the Costello bound

V.V Chepyshov, Ben Smeets, Kamil Zigangirov

Institutionen för elektro- och informationsteknik

Institute for Information Transmission Problems Russian Academy of Sciences

Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

Sammanfattning

The long standing question whether the free distance of fixed rate convolutional codes is as good as the Costello bound was almost solved by K.S. Zigangirov and J.L. Massey (1987). They proved that this is indeed the case for codes with long branch length and rates 2/c, c>or=5. It is shown that there exist fixed convolutional codes of rate 2/4 whose free distance d/sub free/ meets the Costello bound originally derived for time varying convolutional codes

Originalspråk	engelska
Sidor (från-till)	1360-1366
Tidskrift	IEEE Transactions on Information Theory
Volym	38
Nummer	4
DOI	https://doi.org/10.1109/18.144717
Status	Published - 1992 juli

Ämnesklassifikation (UKÄ)

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Matematisk analys

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10.1109/18.144717

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title = "The free distance of fixed convolutional rate 2/4 codes meets the Costello bound",

abstract = "The long standing question whether the free distance of fixed rate convolutional codes is as good as the Costello bound was almost solved by K.S. Zigangirov and J.L. Massey (1987). They proved that this is indeed the case for codes with long branch length and rates 2/c, c>or=5. It is shown that there exist fixed convolutional codes of rate 2/4 whose free distance d/sub free/ meets the Costello bound originally derived for time varying convolutional codes",

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year = "1992",

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AB - The long standing question whether the free distance of fixed rate convolutional codes is as good as the Costello bound was almost solved by K.S. Zigangirov and J.L. Massey (1987). They proved that this is indeed the case for codes with long branch length and rates 2/c, c>or=5. It is shown that there exist fixed convolutional codes of rate 2/4 whose free distance d/sub free/ meets the Costello bound originally derived for time varying convolutional codes

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DO - 10.1109/18.144717

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The free distance of fixed convolutional rate 2/4 codes meets the Costello bound

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