Analysis of the statistical behavior of tandem-connectedburst-error links

The results of extensive simulations of the behavior of tandem channels show interesting trends of the statistical functions in the case of tandem-connected burst-error channels or binary symmetric channels and burst-error channels. The simulations can be divided into two different groups. In the first, the single channels are modeled by infinite Markov chains, the models are connected in tandem, and the behavior of the tandem is described in terms of significant features. In the second, the autocorrelation of the resulting channel is first calculated, and then the tandem is approximated by a renewal model, equivalent from the bit error rate and the conditional error probability points of view. The behavior of this model is discussed