NDLI: Channel-Hole Based Cooperative Scheduling in Multiple Relay Systems

Content Provider	IEEE Xplore Digital Library
Author	Yan Li Ghamri-Doudane, Y.
Copyright Year	2011
Abstract	The relay-assisted Orthogonal Frequency-Division Multiple Access (OFDMA) cellular system is one of the most promising technology thanks to the enhancements of the system capacity and coverage it provides. However, some special features may lower its positive aspects. In multiple relay case, the asymmetric link problem in the two stages forming the relaying process may result in important resource wastage. Such resource wastage can even be more serious than in the case where only a single relay is used in the system. Only few works consider this resource wastage problem. In this paper, we first define a new term, channel holes, to denote the potential resource wastage in single and multiple relay systems. Then based on this new concept, we propose a novel resource management scheme for multiple relay systems, i.e. channel-hole based cooperative scheduling in multiple relay systems. In order to evaluate the performances of such resource management schemes, we build a system model and propose the corresponding analytical derivation, which helps analyzing the average queue length and the average packet delay. Simulations are used to validate and reinforce our theoretical analysis. Then using simulations, we compare our proposed scheduling algorithm to other algorithms from the literature. Hence, we show that our proposed algorithm performs better than others. In addition we also observe that our proposed scheduling algorithm performs a resource-aware relay selection that is more efficient than the one obtained using the ideal relay selection scheme.
Starting Page	1
Ending Page	6
File Size	251866
Page Count	6
File Format	PDF
ISBN	9781612842325
ISSN	15503607
e-ISBN	9781612842332
e-ISBN	9781612842318
DOI	10.1109/icc.2011.5963143
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-05
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Mathematical model Scheduling algorithm Analytical models Equations Delay Scheduling
Content Type	Text
Resource Type	Article

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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