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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=1/2, K=4)

Viterbi Decoder

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

EXAMPLES

Representing various bit error patterns E(x).

  1. 00-00-00-00-00-00-00-00-00-00 (no errors)
  2. 00-00-00-00-10-00-00-00-00-00 (one bit error - corrected)
  3. 00-00-00-00-11-00-00-00-00-00 (one symbol error - corrected)
  4. 00-00-00-00-10-10-00-00-00-00 (two bit error - corrected)
  5. 00-00-00-00-10-10-10-00-00-00 (three bit error - corrected)
  6. 10-00-00-10-00-10-00-10-00-00 (4 errors - ambiguous correction)

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Sun May 19 17:57:46 ADT 2013
Last Updated: 16 FEB 2008 		Richard Tervo [ tervo@unb.ca ] Back to the course homepage...
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