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On the error correcting capability of convolutional codes: Old and new

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Author

Summary, in English

A brief introduction to convolutional coding is given. The active distances are reviewed and shown to be an important tool for analyzing the error correcting capability of maximum-likelihood (ML) decoding of convolutional codes when communicating over a binary symmetric channel (BSC). Due to memory and delay constraints in practical coding schemes, convolutional codes often are either terminated or decoded by a window decoder. When a window decoder is used, the convolutional code sequence is not terminated; instead, the window decoder estimates the information digits after receiving a finite number of noise corrupted code symbols, thereby keeping the decoding delay short. A characterization of the error correcting capability of window decoded convolutional codes is given by using the active distances.

Publishing year

2002

Language

English

Pages

11-18

Publication/Series

ITG-Fachbericht

Issue

170

Document type

Conference paper

Publisher

VDI Verlag GMBH

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

4th International ITG Conference on Source and Channel Coding, 2002

Conference date

2002-01-28 - 2002-01-30

Conference place

Berlin, Germany

Status

Published

ISBN/ISSN/Other

  • ISSN: 0932-6022
  • CODEN: ITGFEY