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=3)


Viterbi Decoder

Input Symbols (XY)
trellis2
Output Bits

This answer is not unique... Show Me
Starting on the left at 00, this is not the only continuous path leading to the end state 00.

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 - not corrected)
  6. 10-00-00-10-00-10-00-10-00-00 (4 errors - ambiguous correction)

2024-05-01 23:53:48 ADT
Last Updated: 04-10-16
Richard Tervo [ tervo@unb.ca ] Back to the course homepage...