New rate 1/2, 1/3, and 1/4 binary convolutional encoders with an optimum distance profile
Publikation/Tidskrift/Serie: IEEE Transactions on Information Theory
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
- Technology and Engineering
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- ISSN: 0018-9448