Communication Event-driven Power Management for Energy Efficient Wireless Sensor Network 


Vol. 32,  No. 7, pp. 411-421, Jul.  2007


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  Abstract

It is well known that the biggest problem of wireless sensor networks is power conservation. There have been two major approaches to efficiently use energy in wireless sensor networks. One is to use a dynamic power management scheme and the other is to use energy efficient protocols. In the former, the power manager is responsible for managing the proper power state of CPU and each I/O with respect to the events, but the power manager does not concern about the internal operation of the underlying network protocols. Thus such conventional power managers can waste unpredicted power during communication period. On the other hand, the energy efficient protocols are just focused on the power saving operation of the radio PHY. In this paper, we introduce an energy-efficient power saving mechanism that can significantly reduce unwanted power consumption of wireless sensor nodes through the communication event-driven power management. We show that our scheme improves the energy conservation in the entire network through simulations.

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  Cite this article

[IEEE Style]

K. Hwang, "Communication Event-driven Power Management for Energy Efficient Wireless Sensor Network," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 7, pp. 411-421, 2007. DOI: .

[ACM Style]

Kwang-il Hwang. 2007. Communication Event-driven Power Management for Energy Efficient Wireless Sensor Network. The Journal of Korean Institute of Communications and Information Sciences, 32, 7, (2007), 411-421. DOI: .

[KICS Style]

Kwang-il Hwang, "Communication Event-driven Power Management for Energy Efficient Wireless Sensor Network," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 7, pp. 411-421, 7. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880