NDLI: Underwater delay tolerant routing in action

Content Provider	IEEE Xplore Digital Library
Author	Tolba, S. Hakami, M. Mihdhir, A. Yibo Zhu Le, S. Jun Hong Cui
Copyright Year	2012
Description	Author affiliation: Comput. Sci. & Eng. Dept., Univ. of Connecticut, Storrs, CT, USA (Tolba, S.; Hakami, M.; Mihdhir, A.; Yibo Zhu; Le, S.; Jun Hong Cui)
Abstract	Underwater Sensor Networks (UWSN) have several applications in aquatic environments ranging from target tracking to environmental monitoring. Harsh nature of underwater environments and different conditions and properties of the medium compared to on-ground environment pose some challenges when it comes to the design of a robust system. One of these challenges is the continuously moving aquatic flows, and at sometimes the autonomously moving nodes, that lead to a continuously varying network topology. When the nodes within the network are sparse, this variation requires special attention when designing a data routing protocol for such networks. Delay tolerant networks (DTN) account for this variation through the allowance of some permissible amounts of delay when transferring the data from a source node to a destination node. In this work, a DTN routing protocol for UWSN is designed. During the design process, the main properties of UWSN were taken into consideration. For example, continuous motion of nodes was dealt with through the use of state tables to keep the one-hop neighbor and hop count information. Additionally, collision avoidance was alleviated through the use of random time intervals between control packet transmissions. The protocol was successfully implemented in Aqua-Net architecture. Lab tests were also conducted successfully using Benthos acoustic modems in the University of Connecticut's UWSN lab. Results demonstrated that data packets can be successfully sent from source to destination with the assistance of auxiliary control packets within permissible delays.
Sponsorship	Oceanic Eng. Soc.
Starting Page	1
Ending Page	6
File Size	1077487
Page Count	6
File Format	PDF
ISBN	9781467308298
e-ISBN	9781467308311
DOI	10.1109/OCEANS.2012.6405116
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing protocols Relays Delay Modems Acoustics Routing Network Layer Delay Tolrent Networks (DTNs) Underwater Sensor Networks (UWSNs) Aqua-Net Routing protocol
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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