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An Ad-hoc network is a dynamic network farmed on demand by a group of nodes without any pre-existing network infrastructure. Self configurability and easy deployment feature of the Mobile Ad-hoc network (MANET) resulted in numerous applications in modern era. An efficient and effective medium access control (MAC) protocol is essential in ad-hoc network for proper sharing of channel. The omnidirectional antenna has been used in traditional MAC protocols. More intensive attention is given toward the directional antenna by researchers due to capability of spatial reuse and other beneficial features. Main focuses of this paper is to discus and evaluate the performance of MAC protocol using omni-directional and directional antenna. We conducted a comparative simulation study of different MAC protocols using Omni-directional and directional antenna. Performance metrics like throughput and delay are used for the performance analysis. On the basis of result derived from simulation a comparison among these MAC protocols using directional antenna is given.

Performance Evaluation of MAC Protocols for Ad-hoc Networks using Directional Antenna