NDLI: User Level Fairness of a Multirate 3G Technology (EVDO) With Application to Digital TV Return Channel Technology

Content Provider	IEEE Xplore Digital Library
Author	Jaime, G.D.G. Leao, R.M.M. de Souza e Silva, E. Boisson de Marca, J.R.
Copyright Year	1963
Abstract	In this work we investigate the end-to-end performance of individual users when a particular multi-rate 3G wireless air-interface is adopted. This technology, similarly to most modern wireless communications systems, adopt an adaptive modulation and coding procedure and a schedule algorithm that favors users that enjoy better channel/interference conditions aiming at optimizing the overall system throughput. The motivation for this effort was the choice of a radio technology to implement a return channel for a countrywide digital TV system. In this application it is essential that the quality of service offered to users does not differ substantially due to their geographical location that, in most instances, will be fixed. In order to evaluate user performance we implemented a simulation model for the EVDO technology, including detailed physical and link layer characteristics. Using this tool for a very general scenario that mixes a majority of fixed users with some mobile terminals it was observed that the average user performance is very adequate for the intended application. However, there are severe differences in performance depending on the positioning of the terminals. We discuss different ways of overcoming the user-level unfairness of this technology that do not depend on modifications to the scheduling algorithm because we feel that these would be ineffective to cope with the tradeoff between user fairness and system throughput. It is then shown that a simple solution can greatly improve the fairness characteristics without sacrificing the overall throughput.
Sponsorship	IEEE Broadcast Technology Society
Starting Page	578
Ending Page	589
Page Count	12
File Size	888274
File Format	PDF
ISSN	00189316
Volume Number	54
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital TV Throughput Scheduling algorithm Bit rate Wireless communication Adaptive systems Modulation coding Interference Quality of service Bidirectional control 3G EVDO fairness mobility modeling wireless
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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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