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UNB EE4253 Digital Communications
Department of Electrical and Computer Engineering - University of New Brunswick, Fredericton, NB, Canada
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Online Viterbi Decoding Tool (R=1/3, K=4)

Viterbi Decoder

Input Symbols (XYZ)
trellis2
Output Bits
Symbols (XYZ):
Endpoint:  |  Inputs  |  Segments  |  Discussion  |  Examples

EXAMPLES

Representing various bit error patterns E(x).

  1. 000-000-000-000-000-000-000-000-000-000 (no errors)
  2. 000-000-000-010-000-000-000-000-000-000 (single bit - corrected)
  3. 000-000-000-111-000-000-000-000-000-000 (bad symbol - corrected)
  4. 000-000-001-111-100-000-000-000-000-000 (five consecutive bits - corrected)
  5. 001-010-001-100-001-010-000-000-000-000 (six single bits - corrected)
  6. 000-000-101-000-101-000-101-000-000-000 (three bad symbols - ambigiuous)

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Sun May 19 12:47:03 ADT 2013
Last Updated: 16 FEB 2008 		Richard Tervo [ tervo@unb.ca ] Back to the course homepage...
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