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On the decoding bit error probability for binary convolutional codes

Författare:
Publiceringsår: 2000
Språk: Engelska
Sidor:
Dokumenttyp: Konferensbidrag

Sammanfattning

An explanation is given for the paradoxical fact that, at low signal-to-noise ratios, the systematic feedback encoder results in fewer decoding bit errors than does a nonsystematic feedforward encoder for the same code. The analysis identifies a new code property, the d-distance weight density of the code. For a given d-distance weight density, the decoding bit error probability depends on the number of taps in the realization of the encoder inverse. Among all encoders for a given convolutional code, the systematic one has the simplest encoder inverse and, hence, gives the smallest bit error probability

Disputation

Nyckelord

  • Technology and Engineering

Övrigt

2000 International Symposium on Information Theory
2000-06-21/2000-06-25
Sorrento, Italy
Published
Yes
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  • ISBN: 0-7803-5857-0

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