https://in.mathworks.com/help/hdlcoder/ug/working-with-fixed-point-code.html
Generate HDL and HLS Code from a Fixed-Point Viterbi Decoder - MATLAB & Simulink
This example shows how to generate HDL and HLS code from a fixed-point MATLAB design that implements a Viterbi decoder.
fixed pointviterbi decodergeneratehdlhls
https://open.metu.edu.tr/handle/11511/16393
A Viterbi decoder using system C for area efficient VLSI imlementation
viterbi decoderusingsystemareaefficient