NDLI: Using Two-Way Datacasting to Deliver Real-Time Public Safety Information

Content Provider	IEEE Xplore Digital Library
Author	Valcourt, S.A. Datla, P. Chamberlin, K. McMahon, B.
Copyright Year	2008
Description	Author affiliation: Comput. Sci. Dept., Univ. of New Hampshire, Durham, NH (Valcourt, S.A.; Datla, P.)
Abstract	Datacasting involves the use of the excess bandwidth in a digital terrestrial television station's stream to deliver broadcasted data to a variety of receivers. Initially developed as a stationary fixed technology, this project involves receiving this broadcast in a mobile environment. This one-way transmission allows the datacast receiver to decouple data packets at a rate of up to 2.5 Mbps. Utilizing these data rates, various real-time applications can play a major role in placing information in the field where the existing low-speed data transmission methods in use today cannot. Researchers at the University of New Hampshire have already reported in various papers the successes achieved in datacasting in the mobile environment, an implementation that the original developers of datacasting had not intended. The introduction of two-way communication using multiple channels coordinated with datacasting has allowed the datacasting system to achieve real-time, asymmetric broadband communication in the mobile environment that is both cost-effective and viable for delivering critical data to the field in a timely and reliable fashion. This paper explains the technical concepts jointly engineered to deliver the two-way datacasting model, as well as highlights the results of prototype applications and devices installed in a mobile environment. Further, future challenges and enhancements of the technology are highlighted.
Starting Page	117
Ending Page	122
File Size	5333467
Page Count	6
File Format	PDF
ISBN	9781424419777
DOI	10.1109/THS.2008.4534434
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	TV broadcasting Real time systems Broadcast technology Bandwidth Mobile communication Data engineering Safety TV receivers Broadband communication Data communication
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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