Abstract
Directional Sensor Networks (DSNs) provide extended network lifetime and better coverage performance compared to networks with omni-directional nodes. However, one of the key challenges of directional nodes to discover their neighbors in bounded delay; because, node discovery require two nodes to beam form their antennas to each other simultaneously. In this paper, we have developed a COllaborative Neighbor Discovery (COND) mechanism for DSNs, where each node polls to discover its neighbors in a distributed way. The performance of the COND system is evaluated in NS-3 and the simulation results show that it reduces the discovery latency as well as operation overhead compared to a state-of-the-art algorithm.
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