UNB ECE4253 Digital Communications
Department of Electrical and Computer Engineering - University of New Brunswick, Fredericton, NB, Canada

Online Viterbi Decoding Tool (R=1/2, K=4)


Viterbi Decoder

Input Symbols (XY)
trellis2
Output Bits

Symbols (XY):
Endpoint:  |  Inputs  |  Segments  |  Discussion  |  Examples  |  MATLAB

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)

2024-04-30 03:16:04 ADT
Last Updated: 2008-02-16
Richard Tervo [ tervo@unb.ca ] Back to the course homepage...