Simulation and Investigation of S-MAC Using the Network Simulator NS
Majid Alshammari

Abstract
Wireless Sensor Networks (WSN) shares one wireless medium for transmitting data packets, and it has a limited resource when it comes to the energy. Therefore, there is a necessity for energy-efficient protocol for accessing the medium. Sensor- Medium Access Control (S-MAC) is considered energy-efficient protocol because it reduces the energy consumptions of the sensors nodes. Therefore, in this paper, S-MAC is investigated and analyzed by using Network Simulator NS2.

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