Broadcast performance improvement using traffic isolation in wireless ad hoc networks

In this paper we propose a traffic isolation method to be used in cluster-based broadcasting algorithms. For internal broadcast traffic, cluster-heads and gateways are responsible for re-broadcasting but for external ones, border nodes may perform the forwarding function as well. This simplifies the gateway selection method through the local selection of gateway nodes by its cluster head. This reduces the control message overhead of the gateway selection method. Simulations have been conducted to study the broadcast performance parameters in light and dense networks. Results show the improvement in comparison to other broadcasting methods

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