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We investigate the problem of disseminating broadcast messages in wirelessnetworks with time-varying links from a percolation-based perspective. Using amodel of wireless networks based on random geometric graphs with dynamic on-offlinks, we show that the delay for disseminating broadcast information exhibitstwo behavioral regimes, corresponding to the phase transition of the underlyingnetwork connectivity. When the dynamic network is in the subcritical phase,ignoring propagation delays, the delay scales linearly with the Euclideandistance between the sender and the receiver. When the dynamic network is inthe supercritical phase, the delay scales sub-linearly with the distance.Finally, we show that in the presence of a non-negligible propagation delay,the delay for information dissemination scales linearly with the Euclideandistance in both the subcritical and supercritical regimes, with the rates forthe linear scaling being different in the two regimes.

Connectivity, Percolation, and Information Dissemination in Large-Scale Wireless Networks with Dynamic Links