An Energy-Efficient Slotted MAC (SL-MAC) Protocol for Wireless Sensor Networks
Shivam Pandey1, Mohan Rao Mamdikar2, Bhudev Kumar Mahato3
1Shivam Pandey, Department of Computer Science & Engineering, National Institute of Technology, Durgapur, India.
2Mohan Rao Mamdikar, Department of Computer Science & Engineering, National Institute of Technology, Durgapur, India.
3Bhudev Kumar Mahato, Department of Computer Science & Engineering, National Institute of Technology, Durgapur, India.
Manuscript received on March 21, 2013. | Revised Manuscript received on April 04, 2013. | Manuscript published on April 30, 2013. | PP: 225-231 | Volume-2, Issue-4, April 2013. | Retrieval Number: D1375042413/2013©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: The efficient use of energy is an important performance target to magnify the lifetime of wireless sensor networks (WSNs). The idle listening of sensor nodes is one of the primary causes of energy waste; so many typical MAC protocols are designed to rescue power by placing the radio in the low-power sleep mode. In this paper, a new energy-efficient Slotted MAC (SL-MAC) protocol is proposed for wireless sensor networks. It is designed with three main features: 1) reducing energy consumption 2) minimizing the number of collisions 3) reducing average packet delay. Sensor nodes in SL-MAC have a very short listen time period which would reduce the energy required to communicate with other nodes. Also, the number of collisions is minimized by using Back-off algorithm in SL-MAC. This saves the energy required to re-send the corrupted packets. Simulation results show much better performance of the energy consumption compared with the existing MAC Protocols.
Keywords: Energy management, medium access control (MAC), wireless sensor networks (WSN).