NDLI: Combining paging with dynamic power management

Content Provider	IEEE Xplore Digital Library
Author	Chiasserini, C.F. Rao, R.R.
Copyright Year	2001
Description	Author affiliation: Dipartimento di Elettronica, Politecnico di Torino, Italy (Chiasserini, C.F.)
Abstract	In this paper we develop a novel approach to conserving energy in battery powered communication devices. There are two salient aspects to this approach. First, the battery powered devices move through multiple, progressively deeper, sleep states in a predictable manner. Nodes in deeper sleep states consume lower energy while asleep but incur a longer delay and higher energy cost to wake up. Second, the nodes are woken up on demand through a paging signal. To awaken nodes that are in deep sleep, the paging signal has to be decoded using very low power circuits such as those used in RF tags. To accommodate this need, in a manner that scales with with the number of nodes, the number of distinct paging signals has to be much less than the number of possible nodes. This is accomplished through a group based wake up scheme, that initially awakens the targeted node along with a number of other similarly disposed nodes that subsequently return to their original sleep state. Trade-offs among energy consumption, delay as well as overhead are presented; comparisons with other protocols show the potential for 16 to 50% improvement in energy consumption.
Sponsorship	IEEE Comput. Soc. IEEE Commun. Soc
Starting Page	996
Ending Page	1004
File Size	235978
Page Count	9
File Format	PDF
ISBN	0780370163
ISSN	0743166X
DOI	10.1109/INFCOM.2001.916292
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-04-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy management Sleep Batteries Delay Energy consumption Costs RF signals Decoding Circuits Radio frequency
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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