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Dynamic counter-based broadcast in MANETs

The broadcasting protocol can dramatically affect the performance of Mobile Ad Hoc Networks (MANETs). Proper use of a counter-based scheme can reduce the number of rebroadcasts and hence reduce the chance of contention and collision among neighboring nodes. While most previous studies have used a fixed counter-based threshold value irrespective of node/network status, this research presents the Dynamic Counter Based (DCB) broadcasting scheme that utilize one-hop neighborhood information to dynamically estimate more suitable threshold values at a given node. This is done based on locally available information and without requiring any assistance of distance measurements, exact location determination devices or global control mechanism. Our simulation results show that the new dynamic scheme provides good performance levels compared to the existing solutions.