Abstract
Floating Content (FC) is emerged by bounded geographical zone in a mobile ad hoc network (MANET) to live in the anchor zone (AZ) for special applications such as emergency messages and traffic information for some time. To improve the availability, accessibility and reduce the number of FC duplication, the adaptive probabilistic broadcasting for FC (APFC) based on the number of neighbours and the informed node location is proposed. When a node without FC enters the transmission radius of informed node that is with FC. By exchanged message with the new node, the informed node obtains the information of the new node and its own neighbours. The informed node calculates the transmission probability p based on the collected neighbour information. Then the node automatically selects whether to use APFC or broadcast the FC according to the current position. The algorithm is simulated in different randomly networks. The results show that this algorithm outperforms other broadcasting algorithms in FC duplication.
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