Traffic analysis of a diverse network that overflows dual mode phones

As network providers implement multiple network types, including 2G/3G networks and potentially 1G, wireless local loops (WLL), and/or satellite, it becomes feasible to overflow traffic between these diverse networks. This will result in an increase in capacity, because the Erlang model of traffic analysis shows that a large network provides efficiency of scale. This paper analyzes the gains in efficiency when dual mode phones may overflow to diverse networks, via handover, thus increasing the number of channels available to these phones and minimizing the blocking rate. The analysis compares different call handling models, via the Erlang and M-dimensional Markov chain models.