NDLI: An Online Holistic Scheduling Framework for Energy-Constrained Wireless Real-Time Systems

Content Provider	IEEE Xplore Digital Library
Author	Chantem, T. Jun Yi Shengyan Hong Hu, X.S. Poellabauer, C. Liqiang Zhang
Copyright Year	2011
Abstract	We consider wireless real-time systems that execute computationally-intensive applications and must transmit packets over the network in a timely manner. Existing methods do not consider the importance (i.e., urgency) of a packet as perceived by end users in conjunction with energy consumption, real-time task deadlines, and packet deadlines, inadvertently causing packet priority inversion during transmissions and possibly starvation of some streams. We present an online holistic scheduling framework that explicitly considers packet importance to select packets to transmit and guarantee their deadline requirements using both packet and energy-aware job assignment and scheduling. Our framework is applicable to wireless real-time systems equipped with either a single processor or a multicore system. Based on extensive simulations, we show that our proposed method allows for timely transmissions of the most important packets, which helps to control packet urgency, while saving processor(s) energy.
Starting Page	267
Ending Page	276
File Size	734848
Page Count	10
File Format	PDF
ISBN	9781457711183
ISSN	15332306
DOI	10.1109/RTCSA.2011.63
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-28
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Silicon Scheduling Scheduling algorithm Schedules Real time systems Energy consumption multicore Real-time systems job scheduling packet scheduling energy
Content Type	Text
Resource Type	Article

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