Abstract
In wireless ad hoc networks, directional antennas are hard to share the information on neighbor devices in a distributed way. Neighbor discovery (ND) is an essential phase in the initialization of a wireless adhoc network, where a quick, accurate, and energy efficient ND protocol has major importance to consequent operations in wireless networks. However, the speeds of recent ND techniques are still not sufficient fast and fundamentally restricted by the limitations of half-duplex, and not much energy efficient to discover continuously for neighbors. To overcome these issues, this paper proposed full-duplex and energy-efficient group based ND technique. In this technique, full duplex allows concurrent transmission and reception and encourages the directional ND, which can finish the ND process in a single slot, and group based ND technique reduces duty cycle and much energy efficient to discover the neighbors continuously.
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