NDLI: Efficient Processing of Real-Time Multi-item Requests with Network Coding in On-demand Broadcast Environments

Content Provider	IEEE Xplore Digital Library
Author	Jun Chen Lee, V.C.S. Cheng Zhan
Copyright Year	2009
Abstract	On-demand broadcast is an effective wireless data dissemination technique to enhance system scalability and capability to handle dynamic user access patterns. Traditional on-demand broadcast is under the assumption that only one data item can be retrieved by mobile clients in each time unit. However, the above constraint limits bandwidth utilization and throughput of broadcast systems. In this paper, we consider data broadcast with network coding in real-time on-demand broadcast environments. We analyze the coding problem in on-demand broadcast and transform it into the problem of finding the maximum clique in graph theory. Based on our analysis, a novel algorithm called ADC is proposed. ADC considers both request overlapping and request timing requirement in request scheduling and fully exploits information about clients' cached and requested data items to implement a flexible coding mechanism. The advantages of our proposed algorithm over other traditional and coding assisted broadcast algorithms are shown through simulation results. Our algorithm not only reduces deadline miss ratio of requests, but also utilizes broadcast channel bandwidth efficiently.
Starting Page	119
Ending Page	128
File Size	523088
Page Count	10
File Format	PDF
ISBN	9780769537870
ISSN	15332306
DOI	10.1109/RTCSA.2009.20
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Network coding Broadcasting Bandwidth Real time systems Time factors Broadcast technology Computer science Information retrieval Throughput Graph theory multi-item requests data broadcast network coding time constraints
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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