Distributed Sensor Networks, 2nd Edition

29

Operating System Power Management

Vishnu Swaminathan

Duke University

Krishnendu Chakrabarty

Duke University

29.1    Introduction

CPU-Centric DPM • I/O-Centric DPM

29.2    Node-Level Processor-Oriented Energy Management

The LEDF Algorithm • Implementation Testbed • Experimental Results

29.3    Node-Level I/O-Device-Oriented Energy Management

Optimal Device Scheduling for Two-State I/O Devices • Online Device Scheduling • Low-Energy Device Scheduling of Multi-State I/O Devices • Experimental Results

29.4    Conclusions

References

29.1    Introduction

Energy consumption is an important design consideration for wireless sensor networks. These networks are useful for a number of applications such as environment monitoring, surveillance, ...