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Energy consumption is one of the most important performance metrics for wireless ad hoc networks because it directly relates to the operational lifetime of the network. Based on this thought, in this paper the authors will establish an ad-hoc network where the power consumption during transmission can be controlled. To minimize the total energy consumption, they have adopted a simple network layer/routing model that serves as a benchmark for performance evaluation. Herein they worked with the mesh topology, and each nodes of the network are substituted using directional antenna. The four directional antennas are used to represent each node. When a node needs to send information to others it only enables its particular sector or sectors through which it is connected to those nodes.
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