NDLI: A feedback scheme based on iterative group splitting for opportunistic scheduling with adaptive modulation

Content Provider	IEEE Xplore Digital Library
Author	Nam, H. de Veciana, G. Alouini, M.-S.
Copyright Year	2009
Description	Author affiliation: Dept. of Electrical and Computer Eng., University of Texas, Austin, 78712, USA (de Veciana, G.) \|\| Department of Electrical Engineering, Texas A&M University at Qatar, Education City, Doha, Qatar (Alouini, M.-S.) \|\| Mobile Devices Technology Office, Motorola Inc., Austin, TX 78730, USA (Nam, H.)
Abstract	A feedback scheme based on an iterative group splitting along with an opportunistic scheduling in a time division multiplexed wireless system with adaptive modulation is proposed in this paper. Considering a dynamic behavior of users in joining and leaving the multiuser networks, the proposed scheme does not assume any prior knowledge on users' channel statistics and therefore allows more robust and practical design. During a guard period, the proposed scheme exploits user feedback collisions in order to firstly find the signal-to-noise ratio (SNR) region in the adaptive modulation to which the best user belongs and secondly narrow down the range of user candidates by splitting user groups iteratively. As soon as one of the qualified users, whose channel quality falls into the SNR region for the best user, is found during the procedure, this user is selected by the scheduler and no more searching is pursued. Using an iterative group splitting, it is shown that the proposed scheme achieves a significant reduction in the number of feedbacks and thus scales with a large number of users.
Starting Page	1
Ending Page	6
File Size	121203
Page Count	6
File Format	PDF
ISBN	9781424449194
DOI	10.1109/WIOPT.2009.5291599
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-23
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Adaptive scheduling Processor scheduling Feedback Probability Cities and towns Robustness Computer science education Systems engineering education Statistics
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
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
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