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Sensors 2010, 10(6), 5569-5589; doi:10.3390/s100605569
Article

Modeling and Analysis of Energy Conservation Scheme Based on Duty Cycling in Wireless Ad Hoc Sensor Network

1,*  and 2
Received: 5 February 2010; in revised form: 22 April 2010 / Accepted: 25 May 2010 / Published: 3 June 2010
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Abstract: In sensor network, energy conservation is one of the most critical issues since sensor nodes should perform a sensing task for a long time (e.g., lasting a few years) but the battery of them cannot be replaced in most practical situations. For this purpose, numerous energy conservation schemes have been proposed and duty cycling scheme is considered the most suitable power conservation technique, where sensor nodes alternate between states having different levels of power consumption. In order to analyze the energy consumption of energy conservation scheme based on duty cycling, it is essential to obtain the probability of each state. In this paper, we analytically derive steady state probability of sensor node states, i.e., sleep, listen, and active states, based on traffic characteristics and timer values, i.e., sleep timer, listen timer, and active timer. The effect of traffic characteristics and timer values on the steady state probability and energy consumption is analyzed in detail. Our work can provide sensor network operators guideline for selecting appropriate timer values for efficient energy conservation. The analytical methodology developed in this paper can be extended to other energy conservation schemes based on duty cycling with different sensor node states, without much difficulty.
Keywords: sensor network; energy conservation; energy consumption; duty cycling; steady state probability sensor network; energy conservation; energy consumption; duty cycling; steady state probability
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Chung, Y.W.; Hwang, H.Y. Modeling and Analysis of Energy Conservation Scheme Based on Duty Cycling in Wireless Ad Hoc Sensor Network. Sensors 2010, 10, 5569-5589.

AMA Style

Chung YW, Hwang HY. Modeling and Analysis of Energy Conservation Scheme Based on Duty Cycling in Wireless Ad Hoc Sensor Network. Sensors. 2010; 10(6):5569-5589.

Chicago/Turabian Style

Chung, Yun Won; Hwang, Ho Young. 2010. "Modeling and Analysis of Energy Conservation Scheme Based on Duty Cycling in Wireless Ad Hoc Sensor Network." Sensors 10, no. 6: 5569-5589.


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