M. de L. M. G. Alcoforado, L. Bulhões, A. Andrade, F. Madeiro, and V. C. da Rocha Jr., “Data Transmission Using Convolutional Codes and Bi-directional Soft Output Viterbi Algorithm over the Two-User Binary Adder Channel”, Journal of Communication and Information Systems, vol. 32, no. 1, Nov. 2017.