An energy-efficient multi-layer MAC (ML-MAC) protocol for wireless sensor networks

被引:19
|
作者
Jha, Manish Kumar [1 ]
Pandey, Atul Kumar [2 ]
Pal, Dipankar
Mohan, Anand [3 ]
机构
[1] Dr BC Roy Engn Coll, Dept AEIE, Durgapur 713206, W Bengal, India
[2] Birla Inst Technol, Ranchi, Jharkhand, India
[3] Banaras Hindu Univ, Varanasi 221005, Uttar Pradesh, India
关键词
Energy management; Medium access control (MAC); Wireless sensor networks (WSNs); MEDIUM ACCESS-CONTROL;
D O I
10.1016/j.aeue.2010.03.006
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The efficient use of energy is an important performance target to prolong the lifetime of wireless sensor networks (WSNs). As the idle listening of sensor nodes result in primary energy waste, many typical MAC protocols are designed to save power by placing the radio in the low-power sleep mode. In this paper a new energy-efficient multi-layer MAC (ML-MAC) protocol is proposed for wireless sensor networks. It is designed with two main features: low duty cycle and low number of collisions. Sensor nodes in ML-MAC have a very short listening time which would reduce the energy required to communicate with other nodes. Also, the number of collisions in cases where two or more nodes try to send at the same time is minimized in ML-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. (C) 2010 Elsevier GmbH. All rights reserved.
引用
收藏
页码:209 / 216
页数:8
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