NDLI: Dynamic I/O power management in real-time systems with multiple-state I/O devices

Content Provider	IEEE Xplore Digital Library
Author	Swaminathan, V. Chakrabarty, K.
Copyright Year	2002
Description	Author affiliation: Duke Univ., Durham, NC, USA (Swaminathan, V.; Chakrabarty, K.)
Abstract	Power consumption is now an important design parameter for distributed sensor networks. While dynamic (or software-controlled) power management (DPM) is being increasingly used as an alternative to inflexible hardware solutions, DPM for hard real-time systems has received relatively little attention. In particular, energy-driven I/O device scheduling for real-time systems has received even less attention. We present an online DPM algorithm, which we call multi-state constrained low energy scheduler (MUSCLES), for hard real-time systems. MUSCLES generates a sequence of power states for each multiple-state I/O device while guaranteeing that real-time constraints are not violated. It also minimizes the energy consumed by the I/O devices that are used by a task set. MUSCLES is energy-optimal under the constraint that the start times of the tasks are fixed. We present several realistic case studies to show that MUSCLES reduces energy consumption significantly for real-time systems.
Starting Page	1588
Ending Page	1595
File Size	673270
Page Count	8
File Format	PDF
ISBN	0972184414
DOI	10.1109/ICIF.2002.1021006
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-07-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Int. Soc. of Information Fusion
Subject Keyword	Energy management Power system management Real time systems Energy consumption Sensor systems Muscles Clocks Hardware Wireless sensor networks Hard disks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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