NDLI: Channel-Aware Opportunistic Transmission Scheduling for Energy-Efficient Wireless Links

Content Provider	IEEE Xplore Digital Library
Author	Poulakis, M.I. Panagopoulos, A.D. Constantinou, P.
Copyright Year	1967
Abstract	The limited battery lifetime of a wireless device, which is directly related to the power consumption of the device, imposes a constraint on network performance. Thus, one of the most significant objectives in wireless communication networks is to improve the autonomy of the terminal devices. In this paper, we focus on the communication energy consumption, particularly on the data transmission part, which is one of the most energy-demanding operations of a wireless device. To satisfy a specified power level at the receiver, the transmission power consumption varies, strongly depending on the channel state of the wireless link. Considering that the communication is much more energy efficient when the channel conditions are good, we design and propose a novel distributed scheduler that opportunistically schedules data transmissions, with a view of minimizing the energy consumption of a wireless device and prolonging its battery lifetime. In fact, by exploiting the stochastic characteristics of the wireless channel, we postpone the communication up to an acceptable time deadline until we find the best expected channel conditions. The proposed time scheduling strategies are based on the optimal stopping theory, considering two minimization approaches for the consumption of transmission energy. Simulation results manifest that the proposed schemes offer significant energy efficiency and highlight their flexibility.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	192
Ending Page	204
Page Count	13
File Size	922543
File Format	PDF
ISSN	00189545
Volume Number	62
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy consumption Wireless communication Minimization Wireless sensor networks Receivers Quality of service Data communication optimal stopping Channel awareness energy efficiency opportunistic transmission scheduling
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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