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Design of an Efficient Power Manger through the cooperative Dynamic Power Management for Ad hoc Wireless Sensor Networks

Ad hoc 무선 센서네트워크에서의 효율 전력 매니지먼트에 관한 연구

  • 전동근 (인천대학교 공과대학 메카트로닉스공학)
  • Received : 2011.09.30
  • Accepted : 2011.12.12
  • Published : 2011.12.31

Abstract

The major resource problem in sensor networks is energy efficiency. There are two major access methods to efficiently use energy. The first is to use dynamic power management (DPM). The second is to use energy efficient protocols. In DPM methods, the OS, the power manager, is responsible for managing the proper power state of CPU and each I/O with respect to the events, but the OS is not largely concerned about the internal operation of each network protocols. Also, energy efficient protocols are mainly focused on the power saving operation of the radio PHY. In addition, in wireless sensor network most of tasks are connected to communication. In such a situation, traditional power managers can waste unpredicted power. In this paper, we introduce an efficient power manger that can reduce a lot of unwanted power consumption through cooperative power management (CPM) in communication-related tasks between each units, such as radio, sensing unit, and CPU, for ad hoc wireless sensor nodes.

Acknowledgement

Supported by : 인천대학교

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