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Enhancing the efficacy and security of emerging wireless systems

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TypeOfResource
Text
TitleInfo (ID = T-1)
Title
Enhancing the efficacy and security of emerging wireless systems
SubTitle
PartName
PartNumber
NonSort
Identifier (displayLabel = ); (invalid = )
ETD_1806
Identifier (type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051933
Language (objectPart = )
LanguageTerm (authority = ISO639-2); (type = code)
eng
Genre (authority = marcgt)
theses
Subject (ID = SBJ-1); (authority = RUETD)
Topic
Electrical and Computer Engineering
Subject (ID = SBJ-2); (authority = ETD-LCSH)
Topic
Wireless communication systems--Security measures
Subject (ID = SBJ-3); (authority = ETD-LCSH)
Topic
Cognitive radio networks--Security measures
Abstract
In this thesis, we intend to promote the efficacy and tackle the vulnerabilities in three emerging wireless systems that have recently became popular examples of emerging wireless systems, namely location-based systems, RFID systems, and cognitive radio systems.
In location-based systems, we first address the problem of being able to reliably deliver content to users based on their locations, in spite of the limited resources available in a wireless network. Secondly, allocating content based on a claimed location implies that location information should be verified in order to support these new location-based services.
We examine strategies whereby access points in an infrastructure delegate the responsibility to serve users to other users who have cached requested content. The resulting strategy, which we call Deputy&Forward, uses knowledge of the user mobility pattern to optimize content delivery for location-based services. Additionally, to verify location information, we adapt the classical challenge-response method for authentication to the task of verifying an entity's location. Our scheme utilizes a collection of transmitters, and adapts the power allocations across these transmitters to verify a user's claimed location. This strategy, which we call power-modulated challenge response, is able to be used with existing wireless networks.
As for the RFID systems, we propose a new RFID network prototype that uses transmit-only low-cost tags and lays the burden of the detection and discrimination of collided tag signals on the RFID readers. We present a statistical estimation approach that can perform the detection in the existence of collisions and the near-far problem. Further, we present a low detection error through simulations under realistic system conditions.
Lastly, in cognitive radio systems, we focus on the security problem whereby a cognitive radio node inserts too many packets into the network, thereby disregarding the link quality, the transaction parties' processing speed and other nodes' transmission attempts. An onboard regulative approach is presented to locally enforce the spectrum etiquettes based on the associated link qualities. We evaluate the performance of our scheme with GNU radios in the ORBIT testbed, and show that better transmission efficiency is achieved.
PhysicalDescription
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electronic resource
Extent
xv, 127 p. : ill.
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Note (type = degree)
Ph.D.
Note (type = bibliography)
Includes bibliographical references (p. 120-126)
Note (type = statement of responsibility)
by Yu Zhang
Name (ID = NAME-1); (type = personal)
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Zhang
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Yu
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author
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Yu Zhang
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Trappe
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Wade
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chair
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Advisory Committee
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Wade Trappe
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Raychaudhuri
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Dipankar
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internal member
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Advisory Committee
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Dipankar Raychaudhuri
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Zhang
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Yanyong
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internal member
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Advisory Committee
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Yanyong Zhang
Name (ID = NAME-5); (type = personal)
NamePart (type = family)
Chen
NamePart (type = given)
Yingying
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outside member
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Advisory Committee
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Yingying Chen
Name (ID = NAME-1); (type = corporate)
NamePart
Rutgers University
Role
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degree grantor
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Graduate School - New Brunswick
Role
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school
OriginInfo
DateCreated (point = ); (qualifier = exact)
2009
DateOther (qualifier = exact); (type = degree)
2009-10
Place
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xx
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier (type = RULIB)
ETD
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TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
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NjNbRU
Identifier (type = doi)
doi:10.7282/T3NZ87SW
Genre (authority = ExL-Esploro)
ETD doctoral
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Rights

RightsDeclaration (AUTHORITY = GS); (ID = rulibRdec0006)
The author owns the copyright to this work
Copyright
Status
Copyright protected
Notice
Note
Availability
Status
Open
Reason
Permission or license
Note
RightsHolder (ID = PRH-1); (type = personal)
Name
FamilyName
Zhang
GivenName
Yu
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Copyright holder
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Permission or license
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Place
DateTime
Detail
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Copyright holder
Name
Yu Zhang
Affiliation
Rutgers University. Graduate School - New Brunswick
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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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ETD
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application/x-tar
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