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Evaluation of UML based wireless network virtualization

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TitleInfo (displayLabel = Citation Title); (type = uniform)
Title
Evaluation of UML based wireless network virtualization
Name (ID = NAME001); (type = personal)
NamePart (type = family)
Singhal
NamePart (type = given)
Shruti
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Shruti Singhal
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author
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NamePart (type = family)
Raychaudhuri
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Dipankar
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Advisory Committee
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Dipankar Raychaudhuri
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chair
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NamePart (type = family)
Zhang
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Yanyong
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Advisory Committee
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Yanyong Zhang
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internal member
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NamePart (type = family)
Gruteser
NamePart (type = given)
Marco
Affiliation
Advisory Committee
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Marco Gruteser
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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
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school
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Text
Genre (authority = marcgt)
theses
OriginInfo
DateCreated (qualifier = exact)
2007
DateOther (qualifier = exact); (type = degree)
2007
Language
LanguageTerm
English
PhysicalDescription
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electronic
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application/pdf
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text/xml
Extent
xii, 45 pages
Abstract
Virtualization of wireless networks is recognized to be a difficult problem due to the fact that radios interact with their neighbors at various layers of the protocol stack, making strict isolation of virtual networks ("or slices") quite challenging. The goal of virtualization is to support concurrent experiments, both long-running services as well as short-term experiments on shared wireless network. In a wireless network, the radio resources that can be shared and hence virtualized are in time, space and frequency. Efforts have been going on to modify the ORBIT control structure to accommodate different forms of virtualization including VMAC, SDMA, FDMA and TDMA. Among different possible wireless virtualization techniques, this work is focused on allowing a node to run more than one experiment simultaneously using different frequencies i.e. Frequency Division Multiplexing (FDM). Each node in the ORBIT test bed is provided with two physical wireless cards. FDMA virtualization is achieved by running two concurrent User Level Operating Systems (ULOS) on each node and providing each operating system access to a radio card. Thus an experimental end user would view a single node as two virtual nodes, each equipped with one wireless card.
Experimental results are provided to compare the performance of a virtualized radio node with the non virtualized one for basic point-to-point experiments using TCP and UDP. Bounds on performance metrics of throughput, delay and jitter are determined and cross-coupling effects between two virtualized experiments are examined. We also look at transient behavior associated with sudden changes in traffic on one of the virtual networks. Finally, the uncertainty in performance measurements for a few typical usage scenarios is investigated, leading to guidelines for use of virtualized radio nodes for simultaneous ORBIT experiments.
Note (type = degree)
M.S.
Note (type = bibliography)
Includes bibliographical references (p. 44-45).
Subject (ID = SUBJ1); (authority = RUETD)
Topic
Electrical and Computer Engineering
Subject (ID = SUBJ2); (authority = ETD-LCSH)
Topic
UML (Computer science)
Subject (ID = SUBJ3); (authority = ETD-LCSH)
Topic
Wireless communication systems
Subject (ID = SUBJ4); (authority = ETD-LCSH)
Topic
Virtual computer systems
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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.16779
Identifier
ETD_483
Location
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NjNbRU
Identifier (type = doi)
doi:10.7282/T3SB464G
Genre (authority = ExL-Esploro)
ETD graduate
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The author owns the copyright to this work.
Copyright
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Copyright protected
Availability
Status
Open
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Name
Shruti Singhal
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
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Detail
Non-exclusive ETD license
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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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