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ThinkMind // SENSORCOMM 2012 , The Sixth International Conference on Sensor Technologies and Applications // View article sensorcomm_2012_12_20_10202


Design and Analysis of Almost-Always-Sleeping Schedulers for Embedded Systems

Authors:
Biswajit Mazumder
Hao Jiang
Jason O. Hallstrom

Keywords: Wireless sensor networks; scheduling; power consumption.

Abstract:
Limited energy resources dictate the design of many embedded applications composed of small, modular tasks, scheduled periodically. In this model, the embedded device wakes, executes a task-set, and returns to sleep. These systems spend most of their time in a state of deep sleep to minimize power consumption. We refer to these systems as almost-always-sleeping (AAS) systems. In this paper, we describe a series of task schedulers for AAS systems designed to maximize sleep time. We consider four scheduler designs, model their performance, and present detailed performance analysis results under varying load conditions. This is the first systematic analysis of this important class of schedulers.

Pages: 284 to 291

Copyright: Copyright (c) IARIA, 2012

Publication date: August 19, 2012

Published in: conference

ISSN: 2308-4405

ISBN: 978-1-61208-207-3

Location: Rome, Italy

Dates: from August 19, 2012 to August 24, 2012

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