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Reliable unicast and geocast protocols in underwater inter-vehicle communications

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TitleInfo (displayLabel = Citation Title); (type = uniform)
Title
Reliable unicast and geocast protocols in underwater inter-vehicle communications
Name (ID = NAME001); (type = personal)
NamePart (type = family)
Nimbalkar
NamePart (type = given)
Amrita
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Amrita Nimbalkar
Role
RoleTerm (authority = RULIB)
author
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Pompili
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Dario
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Advisory Committee
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Dario Pompili
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RoleTerm (authority = RULIB)
chair
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NamePart (type = family)
Silver
NamePart (type = given)
Deborah
Affiliation
Advisory Committee
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Deborah Silver
Role
RoleTerm (authority = RULIB)
internal member
Name (ID = NAME004); (type = personal)
NamePart (type = family)
Marsic
NamePart (type = given)
Ivan
Affiliation
Advisory Committee
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Ivan Marsic
Role
RoleTerm (authority = RULIB)
internal member
Name (ID = NAME005); (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB)
degree grantor
Name (ID = NAME006); (type = corporate)
NamePart
Graduate School - New Brunswick
Role
RoleTerm (authority = RULIB)
school
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Text
Genre (authority = marcgt)
theses
OriginInfo
DateCreated (qualifier = exact)
2008
DateOther (qualifier = exact); (type = degree)
2008-10
Language
LanguageTerm
English
PhysicalDescription
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electronic
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application/pdf
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text/xml
Extent
x, 62 pages
Abstract
Underwater networks are envisioned to enable several applications for oceanographic data collection, environmental monitoring, navigation and tactical surveillance. Many applications make use of Autonomous Underwater Vehicles (AUVs) equipped with underwater sensors. Underwater communication links are based on acoustic wireless technology, which poses challenges due to the unique underwater environment such as high propagation delays, high bit error rates, and temporary losses of connectivity caused by multipath and fading phenomena. For data collection and monitoring tasks, underwater vehicles can either periodically send the measured data to the surface station (sink) or the sink can initiate a query to the sensors asking for the information of interest. The former case is reduced to unicasting, where the data is sent periodically by nodes to a specific destination, i.e., the surface station. In the later case, query dissemination can involve either broadcasting or geocasting technique, depending on whether the query is sent to all the nodes, or a subset of nodes based on location respectively. As broadcasting can be viewed as a special case of geocasting, geocast protocols provide a general routing scheme for query dissemination. In either of the cases, reliability is a crucial factor for underwater communications.
Reliability, especially in a mobile environment, is a major concern due to network dynamics. Due to the high propagation delays involved in underwater communications, we do not consider transport solutions for reliable communications. Rather, we consider the lower layers for ensuring reliability. In this work, three versions of unicasting and geocasting protocols have been proposed, which integrate Medium Access Control (MAC) and routing functionalities and leverage different levels of neighbor knowledge for making optimum routing decisions. Performance evaluation has been done for unicast protocols in terms of different end-to-end metrics for static and mobile scenarios with an aim of finding an optimal level of neighbor knowledge required in either of these scenarios. It is observed that based on different end-to-end metrics considered, one version of unicast protocol outperforms the other. Thus, based on the application requirements and scenarios considered, an optimum level of neighbor knowledge can be utilized for periodic data delivery from nodes to the surface station.
Note (type = degree)
M.S.
Note (type = bibliography)
Includes bibliographical references (p. 60-62).
Subject (ID = SUBJ1); (authority = RUETD)
Topic
Electrical and Computer Engineering
Subject (ID = SUBJ2); (authority = ETD-LCSH)
Topic
Underwater acoustics
Subject (ID = SUBJ3); (authority = ETD-LCSH)
Topic
Telecommunication systems
RelatedItem (type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
Identifier (type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.17531
Identifier
ETD_1050
Location
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NjNbRU
Identifier (type = doi)
doi:10.7282/T3JM29XV
Genre (authority = ExL-Esploro)
ETD graduate
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The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
AssociatedEntity (AUTHORITY = rulib); (ID = 1)
Name
Amrita Nimbalkar
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
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Type
Permission or license
Detail
Non-exclusive ETD license
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License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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Technical

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