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Recently, several studies have been conducted to design mobility-based multicast routing protocols for wireless Mobile Ad hoc NETworks (MANET). These protocols assume that the mobility parameters of the network are fixed, and so they cannot perform well under real MANET scenarios in which the mobility parameters of the hosts vary over time at random. Finding the optimal solution to the multicast routing problem is incredibly hard, if the mobility parameters are assumed to be random variables. This becomes more difficult when the probability distribution function of these random variables is assumed to be unknown. In this paper, the authors propose a weighted multicast routing algorithm for MANET in which the mobility parameters are supposed to be random variables with unknown distribution.
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