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New rate 1/2, 1/3, and 1/4 binary convolutional encoders with an optimum distance profile

Författare:
Publiceringsår: 1999
Språk: Engelska
Sidor: 1653-1658
Publikation/Tidskrift/Serie: IEEE Transactions on Information Theory
Volym: 45
Nummer: 5
Dokumenttyp: Artikel

Sammanfattning

Tabulations of binary systematic and nonsystematic polynomial convolutional encoders with an optimum distance profile for rate 1/2, 1/3, and 1/4 are given. The reported encoders are found by computer searches that optimize over the weight spectra. The free distances for rate 1/3 and 1/4 are compared with Heller's (1968) and Griesmer's (1960) upper bounds

Disputation

Nyckelord

  • Technology and Engineering

Övriga

Published
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  • ISSN: 0018-9448

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