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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jianli Zhuo Chakrabarti, C. |
| Copyright Year | 2005 |
| Description | Author affiliation: Dept. of Electr. Eng., Arizona State Univ., Tempe, AZ, USA (Jianli Zhuo; Chakrabarti, C.) |
| Abstract | Battery lifetime enhancement is a critical design parameter for mobile computing devices. Maximizing battery lifetime is a particularly difficult problem due to the nonlinearity of the battery behavior and its dependence on the characteristics of the discharge profile. In this paper we address the problem of dynamic task scheduling with voltage scaling in a battery-powered DVS system. The objective is to maximize the battery performance measured in terms of charge consumption during execution of the tasks. We present a new battery-aware dynamic task scheduling algorithm, darEDF, based on an efficient slack utilization scheme that employs dynamic speed setting of tasks in run queue. We compare darEDF with three state of the art energy-efficient algorithms, lpfpsEDF, lppsEDF, lpSEH, with respect to battery performance and energy consumption. We show that darEDF has better performance than lpSEH (which has close to optimal energy value), and has lower run-time complexity. |
| Sponsorship | Chinese Inst. of Electron |
| Starting Page | 846 |
| Ending Page | 849 |
| File Size | 806548 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780387368 |
| DOI | 10.1109/ASPDAC.2005.1466474 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-01-21 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Scheduling algorithm Batteries Voltage control Mobile computing Nonlinear dynamical systems Processor scheduling Dynamic scheduling Dynamic voltage scaling Current measurement Charge measurement |
| Content Type | Text |
| Resource Type | Article |
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