NDLI: Subcarrier opportunistic proportional fair scheduling for OFDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Khedr, M. El-Rube, I. Hanafy, Y. Abou-zeid, H.
Copyright Year	2008
Abstract	Resource allocation (RA) for OFDMA has been extensively researched with the objective of maximizing capacity while serving users in a fair manner. However, most of the previous works have focused on achieving these requirements per symbol (instantaneously). On the other hand proportional fair (PF) scheduling which is widely deployed in 3G data networks achieves the system objectives over a certain time, thus adding flexibility and increasing the system throughput. PF scheduling has been modified to work in OFDMA in a few studies, but they have extended the scheme without making use of the additional capacity increase that can be achieved by considering individual relative subcarrier responses. In this paper we propose a simple subcarrier opportunistic proportional fair (SOPF) scheduling scheme specifically suited to OFDMA. It includes a measure that makes the allocation assign the subcarrier to the user who has the best response relative to the average response of that subcarrier with the rest of the users. The result is that our SOPF scheme achieves a capacity-fairness measure above the traditional PF scheme.
Starting Page	1
Ending Page	5
File Size	571059
Page Count	5
File Format	PDF
ISBN	9781424422821
DOI	10.1109/CANET.2008.4655326
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-23
Publisher Place	Uzbekistan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Weight measurement OFDM Throughput maximum fairness maximum sum rate resource allocation Simulation proportional fairness scheduling OFDMA Resource management Gain Signal to noise ratio
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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