You searched for subject:(latency).
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University of Cambridge
1.
Norton, Nicholas James.
Cellular and viral factors affecting HIV-1 silencing and reactivation.
Degree: PhD, 2019, University of Cambridge
URL: https://www.repository.cam.ac.uk/handle/1810/290018 
► Despite advances in the treatment of HIV-1 a cure remains elusive. A significant barrier to the eradication of the virus from an infected individual is…
(more)
▼ Despite advances in the treatment of HIV-1 a cure remains elusive. A significant barrier to the eradication of the virus from an infected individual is a pool of cells infected with transcriptionally silent proviruses. A key pillar of the strategy to eradicate latent viruses has been called ‘kick and kill’, whereby the latent virus is stimulated to transcribe rendering the host cell vulnerable to eradication by cytotoxic T cells. Optimising the reactivation signal is therefore critical to this approach. Here the established model system of latency ‘J-lat’ is used to probe optimum reactivation signals. Single clones are observed to respond to maximal stimulation with a single agent with a fixed proportion of cells. Here it is shown that this proportion can be overcome by dosing with two agents in combination and critically that maximum synergies between agents occur at concentrations of agents close to those achieved in vivo. The role of SETDB1 recruitment by the recently described HUSH complex is examined using shRNA knockdowns of these proteins. Knockdown does not increase expression from the majority of J-lat clones tested. Viral factors which influence silencing and reactivation from latency have not been explored to the same extent. Here mutations affecting the binding of splicing factors to HIV-1 mRNA were cloned into laboratory viruses. A reduction in splice factor binding is seen to change the use of splice junctions required for the production of Tat mRNA; in turn this alters the rate at which proviruses are silenced. In addition the threshold for transcription in response to stimulation is increased in mutants with reduced splice factor binding.
Subjects/Keywords: HIV; transcription; latency; virus; viral latency; provirus
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APA (6th Edition):
Norton, N. J. (2019). Cellular and viral factors affecting HIV-1 silencing and reactivation. (Doctoral Dissertation). University of Cambridge. Retrieved from https://www.repository.cam.ac.uk/handle/1810/290018
Chicago Manual of Style (16th Edition):
Norton, Nicholas James. “Cellular and viral factors affecting HIV-1 silencing and reactivation.” 2019. Doctoral Dissertation, University of Cambridge. Accessed April 12, 2021.
https://www.repository.cam.ac.uk/handle/1810/290018.
MLA Handbook (7th Edition):
Norton, Nicholas James. “Cellular and viral factors affecting HIV-1 silencing and reactivation.” 2019. Web. 12 Apr 2021.
Vancouver:
Norton NJ. Cellular and viral factors affecting HIV-1 silencing and reactivation. [Internet] [Doctoral dissertation]. University of Cambridge; 2019. [cited 2021 Apr 12].
Available from: https://www.repository.cam.ac.uk/handle/1810/290018.
Council of Science Editors:
Norton NJ. Cellular and viral factors affecting HIV-1 silencing and reactivation. [Doctoral Dissertation]. University of Cambridge; 2019. Available from: https://www.repository.cam.ac.uk/handle/1810/290018
Universiteit Utrecht
2.
Huppelschoten, S.
The molecular mechanisms of latency and reactivation in CD4 positive CD4 positive T cells during HIV infection.
Degree: 2011, Universiteit Utrecht
URL: http://dspace.library.uu.nl:8080/handle/1874/215367
► Aids has become the leading cause of death world-wide. Much research has been done on the causal agent of this disease, the human immunodeficiency virus…
(more)
▼ Aids has become the leading cause of death world-wide. Much research has been done on the
causal agent of this disease, the human immunodeficiency virus (HIV). HIV infection in the western
world no longer inevitably precedes the disease AIDS, due to the development of a highly active
antiretroviral therapy (HAART). However, curing HIV-infected patients seems to be still impossible
since several viral reservoirs are not affected by HAART. Replication competent HIV in latentlyinfected
CD4+ memory T cells forms currently the best–characterized long term reservoir of HIV in
patients. For eradication of this viral reservoir reactivation of the viral life cycle is essential.
Consequently, the current research goal is reactivation of the latent reservoir and thereby
eradication of latent virus. In this thesis, recent literature on the molecular mechanisms of HIV
latency and reactivation in CD4+ memory T cells will be discussed. Profound understanding of the
molecular mechanisms will hopefully lead to the development of more adequate therapeutics to
cure HIV infection.
Advisors/Committee Members: Geijtenbeek, T.B.M, Nijhuis, M..
Subjects/Keywords: HIV; latency; reactivation
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APA (6th Edition):
Huppelschoten, S. (2011). The molecular mechanisms of latency and reactivation in CD4 positive CD4 positive T cells during HIV infection. (Masters Thesis). Universiteit Utrecht. Retrieved from http://dspace.library.uu.nl:8080/handle/1874/215367
Chicago Manual of Style (16th Edition):
Huppelschoten, S. “The molecular mechanisms of latency and reactivation in CD4 positive CD4 positive T cells during HIV infection.” 2011. Masters Thesis, Universiteit Utrecht. Accessed April 12, 2021.
http://dspace.library.uu.nl:8080/handle/1874/215367.
MLA Handbook (7th Edition):
Huppelschoten, S. “The molecular mechanisms of latency and reactivation in CD4 positive CD4 positive T cells during HIV infection.” 2011. Web. 12 Apr 2021.
Vancouver:
Huppelschoten S. The molecular mechanisms of latency and reactivation in CD4 positive CD4 positive T cells during HIV infection. [Internet] [Masters thesis]. Universiteit Utrecht; 2011. [cited 2021 Apr 12].
Available from: http://dspace.library.uu.nl:8080/handle/1874/215367.
Council of Science Editors:
Huppelschoten S. The molecular mechanisms of latency and reactivation in CD4 positive CD4 positive T cells during HIV infection. [Masters Thesis]. Universiteit Utrecht; 2011. Available from: http://dspace.library.uu.nl:8080/handle/1874/215367
University of Melbourne
3.
Rezaei, Simin Dokht.
Pathways to HIV latency and reactivation in vitro.
Degree: 2018, University of Melbourne
URL: http://hdl.handle.net/11343/220739
► Human immunodeficiency virus (HIV) infection remains a major global health issue. Antiretroviral drugs improve life expectancy and significantly reduce the rate of viral transmission; however,…
(more)
▼ Human immunodeficiency virus (HIV) infection remains a major global health issue. Antiretroviral drugs improve life expectancy and significantly reduce the rate of viral transmission; however, we are far from finding a cure for HIV. The major barrier to finding a cure is the persistence of the replication-competent yet transcriptionally silent latent reservoir. Current latency reversal agents (LRA) lack efficacy to eliminate all the latent proviruses from the reservoir. The response to the same LRAs is varied in latently infected cells ex vivo or in vitro. We hypothesised that HIV could generate different populations of latently infected cells that differ in HIV integration sites and response to reactivation by LRAs.
We used a Nef-competent EGFP reporter virus to generate infection and to determine the latently infected cells in chemokine-treated CD4+ T cells in vitro. We first demonstrated that EGFP expression is dependent on viral integration and can be used to determine productively expressed and latently induced infected cells in our culture system. Infection and latency were established in both resting untreated and CCL19-treated CD4+ T cells in vitro. Addition of integrase inhibitor, raltegravir, at time of infection reduced the levels of EGFP expression in both T cell conditions, providing evidence that in our culture system EGFP expression is dependent on viral integration. There was a 4-fold reduction in EGFP expression in the CCL19-treated compared to the matched resting untreated cells. The reduction in the EGFP expression following addition of integrase inhibitor strongly suggested that incubating CD4+ T cells with CCL19 favors viral integration in vitro. We subsequently showed that the addition of IL-7 significantly increases the levels of latency in the chemokine-treated CD4+ T cells. Thus, we clearly showed that both resting and chemokine-treated CD4+ T cells are permissive to direct infection with HIV in vitro. However, the effect of CCL19 in the induction of latency is more pronounced with the addition of IL-7.
We further asked whether the establishment of latency affects the response to reactivation by LRAs or T cell receptor (TCR) signalling. We used resting CD4+ T cells to establish infection in the pre-activation pathway and used activated T cells as a model for the establishment of infection in the post-activation pathway. Co-culturing EGFP- cells with allogeneic monocytes alone or in combination with an antibody against CD3 (aCD3); we showed a significant increase in EGFP expression from latently infected cells in the pre-activation latency model. Response to allogeneic monocytes in combination with signals derived from aCD3 significantly correlated with T cell proliferation and there was a minimal spontaneous EGFP expression from latently infected cells in this culture.
In contrast, allogeneic monocytes alone or in combination with aCD3 reduced the EGFP expression from latently infected cells in the post-activation latency model. There was no correlation between T cell proliferation…
Subjects/Keywords: HIV; latency; cure
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APA (6th Edition):
Rezaei, S. D. (2018). Pathways to HIV latency and reactivation in vitro. (Doctoral Dissertation). University of Melbourne. Retrieved from http://hdl.handle.net/11343/220739
Chicago Manual of Style (16th Edition):
Rezaei, Simin Dokht. “Pathways to HIV latency and reactivation in vitro.” 2018. Doctoral Dissertation, University of Melbourne. Accessed April 12, 2021.
http://hdl.handle.net/11343/220739.
MLA Handbook (7th Edition):
Rezaei, Simin Dokht. “Pathways to HIV latency and reactivation in vitro.” 2018. Web. 12 Apr 2021.
Vancouver:
Rezaei SD. Pathways to HIV latency and reactivation in vitro. [Internet] [Doctoral dissertation]. University of Melbourne; 2018. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/11343/220739.
Council of Science Editors:
Rezaei SD. Pathways to HIV latency and reactivation in vitro. [Doctoral Dissertation]. University of Melbourne; 2018. Available from: http://hdl.handle.net/11343/220739
Virginia Tech
4.
Schroeder, Betsy.
Finding Typhoid Mary: Identifying Latent Carriers of Salmonella enterica serovar Typhimurium.
Degree: PhD, Biomedical and Veterinary Sciences, 2020, Virginia Tech
URL: http://hdl.handle.net/10919/99979
► Salmonella enterica serovar Typhimurium (S. Typhimurium) is an important human pathogen. Determining the true number of cases of salmonellosis is made more difficult because of…
(more)
▼ Salmonella enterica serovar Typhimurium (S. Typhimurium) is an important human
pathogen. Determining the true number of cases of salmonellosis is made more
difficult because of the presence of a carrier state. These carriers are animals and
humans that carry the pathogens for a variable period of time without showing any
clinical signs. Identifying these latent carriers of chronic infections is vital to
preventing such disease transmission and creating avenues for novel control and
treatments. In my dissertation research, we looked at genetic markers from an
offshoot of the TCA cycle, the glyoxylate pathway. We used these markers to test
the hypothesis that these glyoxylate pathway genes would be upregulated in latent
S. Typhimurium infections. Our research involved developing a cell culture model,
then using the results from the cell culture model to inform a mouse model, and
then a cattle lymph node diagnostic study. The cell culture model indicated that the
gene for isocitrate lyase, aceA, is significantly upregulated compared to
housekeeping genes. We found the presence of aceA in chronically infected mice,
as well as cattle lymph node samples. Further research is necessary, but these
results demonstrate some of the advantages of using genetic primers to identify
latent Salmonella infections in clinically normal cattle.
Advisors/Committee Members: Sriranganathan, Nammalwar (committeechair), Pelzer, Kevin D. (committee member), Lu, Chang (committee member), Witonsky, Sharon G. (committee member), Huckle, William Rupert (committee member).
Subjects/Keywords: Salmonella; latency; detection
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APA (6th Edition):
Schroeder, B. (2020). Finding Typhoid Mary: Identifying Latent Carriers of Salmonella enterica serovar Typhimurium. (Doctoral Dissertation). Virginia Tech. Retrieved from http://hdl.handle.net/10919/99979
Chicago Manual of Style (16th Edition):
Schroeder, Betsy. “Finding Typhoid Mary: Identifying Latent Carriers of Salmonella enterica serovar Typhimurium.” 2020. Doctoral Dissertation, Virginia Tech. Accessed April 12, 2021.
http://hdl.handle.net/10919/99979.
MLA Handbook (7th Edition):
Schroeder, Betsy. “Finding Typhoid Mary: Identifying Latent Carriers of Salmonella enterica serovar Typhimurium.” 2020. Web. 12 Apr 2021.
Vancouver:
Schroeder B. Finding Typhoid Mary: Identifying Latent Carriers of Salmonella enterica serovar Typhimurium. [Internet] [Doctoral dissertation]. Virginia Tech; 2020. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/10919/99979.
Council of Science Editors:
Schroeder B. Finding Typhoid Mary: Identifying Latent Carriers of Salmonella enterica serovar Typhimurium. [Doctoral Dissertation]. Virginia Tech; 2020. Available from: http://hdl.handle.net/10919/99979
Penn State University
5.
Ozdemir, Ali.
Latency Analysis of Data Mining Codes.
Degree: 2014, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/22805
► According to the requirements posed by recent developments in computing, we need better architectures and software. In order to achieve these goals, we evaluate these…
(more)
▼ According to the requirements posed by recent developments in computing, we need better architectures and software. In order to achieve these goals, we evaluate these systems by running test jobs and simulations. In this study, we analyze the
latency of data mining applications from NU-MINEBENCH Benchmark suite from Northwestern University. We present the results for 32 out of order cores, 4x8 mesh architecture with 32 kB L1 instruction and data caches, and 32 L2 cache banks distributed over the network with each bank having 512 kB capacity. We run multiple multithreaded benchmarks simultaneously and collect the results of latencies between L1-L2, L2-Memory Controllers (MCs), Memory, MC-L2 and L2-L1 for continuous 100 million cycles and same latencies until the end of simulation. We present the results in two graphs for each workloads. The first one, Type A, shows the latencies for consecutive 100 million cycles after fast forwarding 1.1 billion cycles. The second graph, Type B, shows the breakdown of the total
latency of memory requests among the different memory hierarchies.
Advisors/Committee Members: Mahmut Taylan Kandemir, Thesis Advisor/Co-Advisor.
Subjects/Keywords: Latency Analysis Data Mining Codes
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APA (6th Edition):
Ozdemir, A. (2014). Latency Analysis of Data Mining Codes. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/22805
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Ozdemir, Ali. “Latency Analysis of Data Mining Codes.” 2014. Thesis, Penn State University. Accessed April 12, 2021.
https://submit-etda.libraries.psu.edu/catalog/22805.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Ozdemir, Ali. “Latency Analysis of Data Mining Codes.” 2014. Web. 12 Apr 2021.
Vancouver:
Ozdemir A. Latency Analysis of Data Mining Codes. [Internet] [Thesis]. Penn State University; 2014. [cited 2021 Apr 12].
Available from: https://submit-etda.libraries.psu.edu/catalog/22805.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Ozdemir A. Latency Analysis of Data Mining Codes. [Thesis]. Penn State University; 2014. Available from: https://submit-etda.libraries.psu.edu/catalog/22805
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Delft University of Technology
6.
Arreaza Govea, Renzo (author).
Rate-controlled Low Latency Service with OpenFlow.
Degree: 2019, Delft University of Technology
URL: http://resolver.tudelft.nl/uuid:9166107e-4e32-415d-933d-df9a2c1970f2
► The use of interactive media applications is becoming more common. With the current advancements in technologies, applications are becoming more advanced and research is being…
(more)
▼ The use of interactive media applications is becoming more common. With the current advancements in technologies, applications are becoming more advanced and research is being performed into adding more modalities to these applications to enrich the experience and increase their capabilities and uses. he performance of these applications depends heavily on the network resources available to them. Through the use of congestion control algorithms, these applications are able to get a fair share of the available bandwidth. However, congestion control algorithms are unable to minimize the delay caused by competing traffic. By combining the capabilities of OpenFlow with a priority queueing setup, we showed that we can provide low latency to a subset of flows. To control the utilization of the network resources and the effect the prioritization has on best-effort traffic, we use OpenFlow to control the bit rates of the high-priority flows. We show that by adjusting the ECN marking ratios of flows we are able to accurately control the bitrate of each of them.
Electrical Engineer | Embedded Systems
Advisors/Committee Members: Kuipers, Fernando (mentor), van Adrichem, Niels (graduation committee), Cesar Garcia, Pablo (graduation committee), Delft University of Technology (degree granting institution).
Subjects/Keywords: SDN; low latency; WebRTC
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APA (6th Edition):
Arreaza Govea, R. (. (2019). Rate-controlled Low Latency Service with OpenFlow. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:9166107e-4e32-415d-933d-df9a2c1970f2
Chicago Manual of Style (16th Edition):
Arreaza Govea, Renzo (author). “Rate-controlled Low Latency Service with OpenFlow.” 2019. Masters Thesis, Delft University of Technology. Accessed April 12, 2021.
http://resolver.tudelft.nl/uuid:9166107e-4e32-415d-933d-df9a2c1970f2.
MLA Handbook (7th Edition):
Arreaza Govea, Renzo (author). “Rate-controlled Low Latency Service with OpenFlow.” 2019. Web. 12 Apr 2021.
Vancouver:
Arreaza Govea R(. Rate-controlled Low Latency Service with OpenFlow. [Internet] [Masters thesis]. Delft University of Technology; 2019. [cited 2021 Apr 12].
Available from: http://resolver.tudelft.nl/uuid:9166107e-4e32-415d-933d-df9a2c1970f2.
Council of Science Editors:
Arreaza Govea R(. Rate-controlled Low Latency Service with OpenFlow. [Masters Thesis]. Delft University of Technology; 2019. Available from: http://resolver.tudelft.nl/uuid:9166107e-4e32-415d-933d-df9a2c1970f2
Delft University of Technology
7.
van IJzendoorn, Bas (author).
Communicating with low latency peers: Building a low latency overlay in P2P networks.
Degree: 2018, Delft University of Technology
URL: http://resolver.tudelft.nl/uuid:3bf51816-d0e3-48fe-a794-6a4f5713baae
► In decentralized applications requirements on latency are high. For instance, in trading applications a millisecond latency advantage can save companies millions of dollars. In this…
(more)
▼ In decentralized applications requirements on
latency are high. For instance, in trading applications a millisecond
latency advantage can save companies millions of dollars. In this thesis a design is proposed for an overlay in a decentralized peer-to-peer system that lowers the
latency between connected peers. The overlay is designed and imple- mented on top of Tribler, a BitTorrent client developed at Delft University of Technol- ogy. The client continually connects toward the peers with the lowest
latency to keep an established connection towards them. Next to that, the introductions in the peer discovery mechanism are chosen in such a way that introduced peers have a low la- tency toward each other. To achieve this
latency estimation algorithms are used that estimate the
latency between arbitrary peers in the network. These algorithms require a limited amount of measured latencies between peers in the network and can estimate the others. Latencies are continually measured toward peers that have an established connection to a client. These measured latencies are shared to other peers for further improvements on the quality of the
latency estimation algorithms. The overlay design is evaluated on the accuracy of the
latency estimation algorithms, computation time and to what extent the connections of a peer are low
latency. The results show that the peers in the overlay are able to connect toward their lowest
latency peers despite low accuracy of the
latency estimation algorithms.
Advisors/Committee Members: Pouwelse, Johan (mentor), Rellermeyer, Jan (graduation committee), Spaan, Matthijs (graduation committee), Delft University of Technology (degree granting institution).
Subjects/Keywords: latency; overlay; distributed systems
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APA (6th Edition):
van IJzendoorn, B. (. (2018). Communicating with low latency peers: Building a low latency overlay in P2P networks. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:3bf51816-d0e3-48fe-a794-6a4f5713baae
Chicago Manual of Style (16th Edition):
van IJzendoorn, Bas (author). “Communicating with low latency peers: Building a low latency overlay in P2P networks.” 2018. Masters Thesis, Delft University of Technology. Accessed April 12, 2021.
http://resolver.tudelft.nl/uuid:3bf51816-d0e3-48fe-a794-6a4f5713baae.
MLA Handbook (7th Edition):
van IJzendoorn, Bas (author). “Communicating with low latency peers: Building a low latency overlay in P2P networks.” 2018. Web. 12 Apr 2021.
Vancouver:
van IJzendoorn B(. Communicating with low latency peers: Building a low latency overlay in P2P networks. [Internet] [Masters thesis]. Delft University of Technology; 2018. [cited 2021 Apr 12].
Available from: http://resolver.tudelft.nl/uuid:3bf51816-d0e3-48fe-a794-6a4f5713baae.
Council of Science Editors:
van IJzendoorn B(. Communicating with low latency peers: Building a low latency overlay in P2P networks. [Masters Thesis]. Delft University of Technology; 2018. Available from: http://resolver.tudelft.nl/uuid:3bf51816-d0e3-48fe-a794-6a4f5713baae
Delft University of Technology
8.
Kurian, Ashish (author).
Latency Analysis and Reduction in a 4G Network.
Degree: 2018, Delft University of Technology
URL: http://resolver.tudelft.nl/uuid:e1badd8d-a384-49a1-b958-a0c1e499c539
► 5G, the next generation of mobile network, is expected to be launched commercially around 2020. Compared to the present generation – 4G mobile network, a…
(more)
▼ 5G, the next generation of mobile network, is expected to be launched commercially around 2020. Compared to the present generation – 4G mobile network, a significant improvement in terms of performance and reliability is considered for 5G. One of the important factor in the design of 5G is – about 10 times lower packet latency than 4G. Some of the use cases identified for 5G require packet latency as low as 1 ms. Such stringent latency targets are essential to enable new services like virtual reality streaming of live content over mobile network, automated vehicle platooning over mobile network and tactile internet where machines and tools can be controlled remotely with extreme responsiveness over the mobile network. The main goal of this thesis is to understand how packet latency is affected by the various factors observed in a realistic environment. In contrast to lab environments, where the packet latency reported would be very low, a consolidated study on the various factors affecting packet latency in a 4G (LTE) network in a realistic environment is missing. To this extent, the results of this work have enabled to identify the various factors affecting packet latency in a realistic 4G network. This further led to identifying the latency contribution of the various components to the overall packet latency. Later on, two different latency reduction techniques were evaluated to verify the possible latency reduction achievable on a 4G network, using those two techniques. To reduce packet latency to achieve the latency targets for 5G, first it was necessary to identify how packet latency is caused and affected in a 4G network. This work was aimed at achieving this goal. As the latency reduction techniques were evaluated at their best configuration in terms of latency, results from the latency reduction techniques also identifies the lower limit of latency improvement achievable in a 4G network. The inference from the results suggests that in order to achieve the latency targets specified for 5G networks, a redesigned radio access technology of 4G is essential.
Electrical Engineering | Telecommunications and Sensing Systems
Advisors/Committee Members: Litjens, Remco (mentor), Keesmaat, Iko (graduation committee), Kuipers, Fernando (graduation committee), Delft University of Technology (degree granting institution).
Subjects/Keywords: latency; analysis; reduction; 4G; 5G
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APA (6th Edition):
Kurian, A. (. (2018). Latency Analysis and Reduction in a 4G Network. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:e1badd8d-a384-49a1-b958-a0c1e499c539
Chicago Manual of Style (16th Edition):
Kurian, Ashish (author). “Latency Analysis and Reduction in a 4G Network.” 2018. Masters Thesis, Delft University of Technology. Accessed April 12, 2021.
http://resolver.tudelft.nl/uuid:e1badd8d-a384-49a1-b958-a0c1e499c539.
MLA Handbook (7th Edition):
Kurian, Ashish (author). “Latency Analysis and Reduction in a 4G Network.” 2018. Web. 12 Apr 2021.
Vancouver:
Kurian A(. Latency Analysis and Reduction in a 4G Network. [Internet] [Masters thesis]. Delft University of Technology; 2018. [cited 2021 Apr 12].
Available from: http://resolver.tudelft.nl/uuid:e1badd8d-a384-49a1-b958-a0c1e499c539.
Council of Science Editors:
Kurian A(. Latency Analysis and Reduction in a 4G Network. [Masters Thesis]. Delft University of Technology; 2018. Available from: http://resolver.tudelft.nl/uuid:e1badd8d-a384-49a1-b958-a0c1e499c539
University of Illinois – Urbana-Champaign
9.
Lu, Jiajun.
Images and depth for high resolution, low-latency sensing and security applications.
Degree: PhD, Computer Science, 2018, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/102476
► The thesis focuses on using images and depths for high resolution, low latency sensing, and then using these sensing techniques to build security applications. First,…
(more)
▼ The thesis focuses on using images and depths for high resolution, low
latency sensing, and then using these sensing techniques to build security applications. First, we introduce the usefulness of high quality depth sensing, and the difficulty to acquire such depth stream via pure hardware approach. Then, we propose our sensor fusion approach, which combines depth camera and color camera. Chapter 2 puts forward a low cost approach to use a high spatial resolution color stream to help aggressively increase the spatial resolution of the depth stream. Continuing this direction, Chapter 3 proposes to use optical ow to forward warp the depth stream according to a high frequency, low
latency CMOS color stream. The warping can create a high frequency, low
latency depth stream. In both Chapter 2 and Chapter 3, we show that the improved depth sensing can benefit lots of applications. In Chapter 4, we propose a SafetyNet, which can reliably detecting and rejecting adversarial examples. With the revolutionary SafetyNet architecture and the advanced depth sensing, we can reliably prove to users whether a picture of a scene is real or not. In sum, the thesis focuses on improving sensing technologies and building vision and security applications around the sensing technologies.
Advisors/Committee Members: Forsyth, David (advisor), Forsyth, David (Committee Chair), Hoiem, Derek (committee member), Lazebnik, Svetlana (committee member), Wilson, Andy (committee member).
Subjects/Keywords: depth; resolution; latency; security
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APA (6th Edition):
Lu, J. (2018). Images and depth for high resolution, low-latency sensing and security applications. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/102476
Chicago Manual of Style (16th Edition):
Lu, Jiajun. “Images and depth for high resolution, low-latency sensing and security applications.” 2018. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed April 12, 2021.
http://hdl.handle.net/2142/102476.
MLA Handbook (7th Edition):
Lu, Jiajun. “Images and depth for high resolution, low-latency sensing and security applications.” 2018. Web. 12 Apr 2021.
Vancouver:
Lu J. Images and depth for high resolution, low-latency sensing and security applications. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2018. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/2142/102476.
Council of Science Editors:
Lu J. Images and depth for high resolution, low-latency sensing and security applications. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2018. Available from: http://hdl.handle.net/2142/102476
University of Cambridge
10.
Norton, Nicholas James.
Cellular and viral factors affecting HIV-1 silencing and reactivation.
Degree: PhD, 2019, University of Cambridge
URL: https://doi.org/10.17863/CAM.37246
;
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.767867
► Despite advances in the treatment of HIV-1 a cure remains elusive. A significant barrier to the eradication of the virus from an infected individual is…
(more)
▼ Despite advances in the treatment of HIV-1 a cure remains elusive. A significant barrier to the eradication of the virus from an infected individual is a pool of cells infected with transcriptionally silent proviruses. A key pillar of the strategy to eradicate latent viruses has been called 'kick and kill', whereby the latent virus is stimulated to transcribe rendering the host cell vulnerable to eradication by cytotoxic T cells. Optimising the reactivation signal is therefore critical to this approach. Here the established model system of latency 'J-lat' is used to probe optimum reactivation signals. Single clones are observed to respond to maximal stimulation with a single agent with a fixed proportion of cells. Here it is shown that this proportion can be overcome by dosing with two agents in combination and critically that maximum synergies between agents occur at concentrations of agents close to those achieved in vivo. The role of SETDB1 recruitment by the recently described HUSH complex is examined using shRNA knockdowns of these proteins. Knockdown does not increase expression from the majority of J-lat clones tested. Viral factors which influence silencing and reactivation from latency have not been explored to the same extent. Here mutations affecting the binding of splicing factors to HIV-1 mRNA were cloned into laboratory viruses. A reduction in splice factor binding is seen to change the use of splice junctions required for the production of Tat mRNA; in turn this alters the rate at which proviruses are silenced. In addition the threshold for transcription in response to stimulation is increased in mutants with reduced splice factor binding.
Subjects/Keywords: 616.97; HIV; transcription; latency; virus; viral latency; provirus
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APA (6th Edition):
Norton, N. J. (2019). Cellular and viral factors affecting HIV-1 silencing and reactivation. (Doctoral Dissertation). University of Cambridge. Retrieved from https://doi.org/10.17863/CAM.37246 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.767867
Chicago Manual of Style (16th Edition):
Norton, Nicholas James. “Cellular and viral factors affecting HIV-1 silencing and reactivation.” 2019. Doctoral Dissertation, University of Cambridge. Accessed April 12, 2021.
https://doi.org/10.17863/CAM.37246 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.767867.
MLA Handbook (7th Edition):
Norton, Nicholas James. “Cellular and viral factors affecting HIV-1 silencing and reactivation.” 2019. Web. 12 Apr 2021.
Vancouver:
Norton NJ. Cellular and viral factors affecting HIV-1 silencing and reactivation. [Internet] [Doctoral dissertation]. University of Cambridge; 2019. [cited 2021 Apr 12].
Available from: https://doi.org/10.17863/CAM.37246 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.767867.
Council of Science Editors:
Norton NJ. Cellular and viral factors affecting HIV-1 silencing and reactivation. [Doctoral Dissertation]. University of Cambridge; 2019. Available from: https://doi.org/10.17863/CAM.37246 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.767867
Brno University of Technology
11.
Bednár, Jakub.
Velikost zpoždění aktivních prvků sítě: Size of delay of active network devices.
Degree: 2019, Brno University of Technology
URL: http://hdl.handle.net/11012/4530
► The aim of this thesis was to study the properties of the active network elements (routers, switches) and to find out what factors affect the…
(more)
▼ The aim of this thesis was to study the properties of the active network elements (routers, switches) and to find out what factors affect the size of their
latency. Furthermore, the objective was to choose the most appropriate method for measuring
latency of the available active network devices depending on the device load, packet size and the configuration of devices. For measuring
latency I used the simple script in the operating system Linux and program called PING.
Advisors/Committee Members: Balej, Jiří (advisor), Komosný, Dan (referee).
Subjects/Keywords: Oneskorenie siete; Latencia siete; Latencia aktívnych prvkov; Latencia smerovača; Latencia prepínača; Meranie latencie.; Network delay; Network latency; Latency of active network elements; Router latency; Switch latency; Measuring latency.
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APA (6th Edition):
Bednár, J. (2019). Velikost zpoždění aktivních prvků sítě: Size of delay of active network devices. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/4530
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Bednár, Jakub. “Velikost zpoždění aktivních prvků sítě: Size of delay of active network devices.” 2019. Thesis, Brno University of Technology. Accessed April 12, 2021.
http://hdl.handle.net/11012/4530.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Bednár, Jakub. “Velikost zpoždění aktivních prvků sítě: Size of delay of active network devices.” 2019. Web. 12 Apr 2021.
Vancouver:
Bednár J. Velikost zpoždění aktivních prvků sítě: Size of delay of active network devices. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/11012/4530.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Bednár J. Velikost zpoždění aktivních prvků sítě: Size of delay of active network devices. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/4530
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of California – Berkeley
12.
Gambacorta, Christina.
Bridging the Gap: Understanding Eye Movements and Attentional Mechanisms is Key to Improving Amblyopia Treatment.
Degree: Vision Science, 2017, University of California – Berkeley
URL: http://www.escholarship.org/uc/item/7q70k23v
► Amblyopia is a developmental visual disorder resulting in sensory, motor and attentional deficits, including delays in both saccadic and manual reaction time. It is unclear…
(more)
▼ Amblyopia is a developmental visual disorder resulting in sensory, motor and attentional deficits, including delays in both saccadic and manual reaction time. It is unclear whether this delay is due to differences in sensory processing of the stimulus, or the processes required to dis-engage/shift/re-engage attention when moving the eye from fixation to a saccadic target. In the first experiment we compare asymptotic saccadic and manual reaction times between the two eyes, using equivalent stimulus strength to account for differences in sensory processing. In a follow-up study, we modulate RT by removing the fixation dot, which is thought to release spatial attention at the fovea, and reduces reaction time in normal observers. Finally, we discuss the implications for these findings on future amblyopic treatment, specifically dichoptic video game playing. Playing videogames may help engage the attentional network, leading to greater improvements than traditional treatment of patching the non- amblyopic eye. Further, when treatment involves both eyes, fixation stability may be improved during the therapeutic intervention, yielding a better outcome than just playing a video game with a patch over the non-amblyopic eye.
Subjects/Keywords: Nanoscience; Ophthalmology; amblyopia; neuroplasticity; saccadic latency
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APA (6th Edition):
Gambacorta, C. (2017). Bridging the Gap: Understanding Eye Movements and Attentional Mechanisms is Key to Improving Amblyopia Treatment. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/7q70k23v
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Gambacorta, Christina. “Bridging the Gap: Understanding Eye Movements and Attentional Mechanisms is Key to Improving Amblyopia Treatment.” 2017. Thesis, University of California – Berkeley. Accessed April 12, 2021.
http://www.escholarship.org/uc/item/7q70k23v.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Gambacorta, Christina. “Bridging the Gap: Understanding Eye Movements and Attentional Mechanisms is Key to Improving Amblyopia Treatment.” 2017. Web. 12 Apr 2021.
Vancouver:
Gambacorta C. Bridging the Gap: Understanding Eye Movements and Attentional Mechanisms is Key to Improving Amblyopia Treatment. [Internet] [Thesis]. University of California – Berkeley; 2017. [cited 2021 Apr 12].
Available from: http://www.escholarship.org/uc/item/7q70k23v.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Gambacorta C. Bridging the Gap: Understanding Eye Movements and Attentional Mechanisms is Key to Improving Amblyopia Treatment. [Thesis]. University of California – Berkeley; 2017. Available from: http://www.escholarship.org/uc/item/7q70k23v
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
13.
Ho, Ya-Chi.
REPLICATION-COMPETENT NON-INDUCED PROVIRUSES IN THE LATENT RESERVOIR INCREASE BARRIER TO HIV-1 CURE.
Degree: 2013, Johns Hopkins University
URL: http://jhir.library.jhu.edu/handle/1774.2/37077
► Antiretroviral therapy (ART) fails to cure HIV-1 infection because latent proviruses persist in resting CD4+ T cells. T cell activation reverses latency, but >99% of…
(more)
▼ Antiretroviral therapy (ART) fails to cure HIV-1 infection because latent proviruses persist in resting CD4+ T cells. T cell activation reverses
latency, but >99% of proviruses are not induced to release infectious virus after maximum in vitro T cell activation under standard viral outgrowth assay conditions. These non-induced proviruses are generally considered defective but have never been characterized. Using limiting dilution near-full length nested PCR and Poisson distribution analysis, we characterized 213 clones of non-induced proviruses from eight aviremic patients on suppressive ART. Most (88.3%) of the non-induced proviruses are defective, including 45.5% large internal deletions, 32.4% APOBEC-mediated G→A hypermutations, 6.6% mutations/deletions in the cis-acting element, and 3.8% insertions/nonsense mutations. Strikingly, 11.7% of the non-induced proviruses have intact genomes. Using direct sequencing and de novo genome synthesis, we reconstructed six
full-length non-induced proviral clones and demonstrated growth kinetics comparable to four reconstructed induced proviruses from the same patients. Using luciferase assay to measure non-induced proviral LTR activity, we found that non-induced proviruses have intact promoter function unless they are hypermutated. Using limiting dilution bisulfite sequencing, we found that non-induced proviruses have unmethylated promoters. Using inverse PCR, we found that non-induced proviruses are integrated into active transcription units. We demonstrated that these non-induced proviruses, though not induced after in vitro maximum T cell activation, can be reactivated after repeated stimuli. We propose that maximum T cell activation does not lead to maximum non-induced provirus activation. Rather, activation of non-induced proviruses is stochastic. Thus, it cannot be excluded that non-induced proviruses may become activated in vivo. The discovery of replication-competent non-induced proviruses
indicates that the size of the latent reservoir, and hence the barrier to cure, may be ~60-fold greater than previously estimated. Underestimation of intact proviruses by viral outgrowth assays could be reflected in delayed viral rebound after an apparent “cure”, and overestimation of latent reservoir size resulting from detection of defective proviruses by PCR assays could result in prolonged, excessive exposure to toxic
latency reversing agents. Thus, the molecular analysis of non-induced proviruses contributes in an important way to HIV-1 eradication efforts.
Advisors/Committee Members: Ray, Stuart C (advisor).
Subjects/Keywords: HIV; latency; eradication; non-induced provirus.
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APA ·
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Manager
APA (6th Edition):
Ho, Y. (2013). REPLICATION-COMPETENT NON-INDUCED PROVIRUSES IN THE LATENT RESERVOIR INCREASE BARRIER TO HIV-1 CURE. (Thesis). Johns Hopkins University. Retrieved from http://jhir.library.jhu.edu/handle/1774.2/37077
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Ho, Ya-Chi. “REPLICATION-COMPETENT NON-INDUCED PROVIRUSES IN THE LATENT RESERVOIR INCREASE BARRIER TO HIV-1 CURE.” 2013. Thesis, Johns Hopkins University. Accessed April 12, 2021.
http://jhir.library.jhu.edu/handle/1774.2/37077.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Ho, Ya-Chi. “REPLICATION-COMPETENT NON-INDUCED PROVIRUSES IN THE LATENT RESERVOIR INCREASE BARRIER TO HIV-1 CURE.” 2013. Web. 12 Apr 2021.
Vancouver:
Ho Y. REPLICATION-COMPETENT NON-INDUCED PROVIRUSES IN THE LATENT RESERVOIR INCREASE BARRIER TO HIV-1 CURE. [Internet] [Thesis]. Johns Hopkins University; 2013. [cited 2021 Apr 12].
Available from: http://jhir.library.jhu.edu/handle/1774.2/37077.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Ho Y. REPLICATION-COMPETENT NON-INDUCED PROVIRUSES IN THE LATENT RESERVOIR INCREASE BARRIER TO HIV-1 CURE. [Thesis]. Johns Hopkins University; 2013. Available from: http://jhir.library.jhu.edu/handle/1774.2/37077
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Cornell University
14.
Zou, Tao.
Optimizing Response Time For Distributed Applications In Public Clouds.
Degree: PhD, Computer Science, 2015, Cornell University
URL: http://hdl.handle.net/1813/39473
► An increasing number of distributed data-driven applications are moving into public clouds. By sharing resources and operating at large scale, public clouds promise higher utilization…
(more)
▼ An increasing number of distributed data-driven applications are moving into public clouds. By sharing resources and operating at large scale, public clouds promise higher utilization and lower costs than private clusters. Also, flexible resource allocation and billing methods offered by public clouds enable tenants to control response time or time-to-solution of their applications. To achieve high utilization, however, cloud providers inevitably place virtual machine instances non-contiguously, i.e., instances of a given application may end up in physically distant machines in the cloud. This allocation strategy leads to significant heterogeneity in average network
latency between instances. Also, virtualization and the shared use of network resources between tenants results in network
latency jitter. We observe that network
latency heterogeneity and jitter in the cloud can greatly increase the time required for communication in these distributed data-driven applications, which leads to significantly worse response time. To improve response time under
latency jitter, we propose a general parallel framework which exposes a high-level, data-centric programming model. We design a jitter-tolerant runtime that exploits this programming model to absorb
latency spikes transparently by (1) carefully scheduling computation and (2) replicating data and computation. To improve response time with heterogeneous mean
latency, we present ClouDiA, a general deployment advisor that selects application node deployments minimizing either (1) the largest
latency between application nodes, or (2) the longest critical path among all application nodes. We also describe how to effectively control response time for interactive data analytics in public clouds. We introduce Smart, the first elastic cloud resource manager for in-memory interactive data analytics. Smart enables control of the speed of queries by letting users specify the number of compute units per GB of data processed, and quickly reacts to speed changes by adjusting the amount of resources allocated to the user. We then describe SmartShare, an extension of Smart that can serve multiple data scientists simultaneously to obtain additional cost savings without sacrificing query performance guarantees. Taking advantage of the workload characteristics of interactive data analysis, such as think time and overlap between datasets, we are able to further improve resource utilization and reduce cost.
Advisors/Committee Members: Gehrke, Johannes E. (chair), Kozen, Dexter Campbell (committee member), Bindel, David S. (committee member), Demers, Alan J. (committee member).
Subjects/Keywords: Public Cloud; Response Time; Network Latency
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Manager
APA (6th Edition):
Zou, T. (2015). Optimizing Response Time For Distributed Applications In Public Clouds. (Doctoral Dissertation). Cornell University. Retrieved from http://hdl.handle.net/1813/39473
Chicago Manual of Style (16th Edition):
Zou, Tao. “Optimizing Response Time For Distributed Applications In Public Clouds.” 2015. Doctoral Dissertation, Cornell University. Accessed April 12, 2021.
http://hdl.handle.net/1813/39473.
MLA Handbook (7th Edition):
Zou, Tao. “Optimizing Response Time For Distributed Applications In Public Clouds.” 2015. Web. 12 Apr 2021.
Vancouver:
Zou T. Optimizing Response Time For Distributed Applications In Public Clouds. [Internet] [Doctoral dissertation]. Cornell University; 2015. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/1813/39473.
Council of Science Editors:
Zou T. Optimizing Response Time For Distributed Applications In Public Clouds. [Doctoral Dissertation]. Cornell University; 2015. Available from: http://hdl.handle.net/1813/39473
University of Saskatchewan
15.
Long, Michael 1992-.
Effects of Local Latency on Games.
Degree: 2019, University of Saskatchewan
URL: http://hdl.handle.net/10388/12131
► Video games are a major type of entertainment for millions of people, and feature a wide variety genres. Many genres of video games require quick…
(more)
▼ Video games are a major type of entertainment for millions of people, and feature a wide variety genres. Many genres of video games require quick reactions, and in these games it is critical for player performance and player experience that the game is responsive. One of the major contributing factors that can make games less responsive is local
latency — the total delay between input and a resulting change to the screen. Local
latency is produced by a combination of delays from input devices, software processing, and displays. Due to
latency, game companies spend considerable time and money play-testing their games to ensure the game is both responsive and that the in-game difficulty is reasonable. Past studies have made it clear that local
latency negatively affects both player performance and experience, but there is still little knowledge about local latency’s exact effects on games. In this thesis, we address this problem by providing game designers with more knowledge about local latency’s effects. First, we performed a study to examine latency’s effects on performance and experience for popular pointing input devices used with games. Our results show significant differences between devices based on the task and the amount of
latency. We then provide design guidelines based on our findings. Second, we performed a study to understand latency’s effects on ‘atoms’ of interaction in games. The study varied both
latency and game speed, and found game speed to affect a task’s sensitivity to
latency. Third, we used our findings to build a model to help designers quickly identify
latency-sensitive game atoms, thus saving time during play-testing. We built and validated a model that predicts errors rates in a game atom based on
latency and game speed. Our work helps game designers by providing new insight into latency’s varied effects and by modelling and predicting those effects
Advisors/Committee Members: Gutwin, Carl, Eager, Derek, Stanley, Kevin, Farthing, Jon.
Subjects/Keywords: Latency; games; input devices; lag; delay; gaming
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Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Long, M. 1. (2019). Effects of Local Latency on Games. (Thesis). University of Saskatchewan. Retrieved from http://hdl.handle.net/10388/12131
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Long, Michael 1992-. “Effects of Local Latency on Games.” 2019. Thesis, University of Saskatchewan. Accessed April 12, 2021.
http://hdl.handle.net/10388/12131.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Long, Michael 1992-. “Effects of Local Latency on Games.” 2019. Web. 12 Apr 2021.
Vancouver:
Long M1. Effects of Local Latency on Games. [Internet] [Thesis]. University of Saskatchewan; 2019. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/10388/12131.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Long M1. Effects of Local Latency on Games. [Thesis]. University of Saskatchewan; 2019. Available from: http://hdl.handle.net/10388/12131
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Texas A&M University
16.
Johansen, Mary Amelia.
The Nuclear Weapons Latency Value of the Joint Comprehensive Plan of Action with the Islamic Republic of Iran.
Degree: MS, Nuclear Engineering, 2016, Texas A&M University
URL: http://hdl.handle.net/1969.1/156989
► The historic Joint Comprehensive Plan of Action (JCPOA) was implemented on January 16, 2016 between the Islamic Republic of Iran and the E3/EU+3. The JCPOA…
(more)
▼ The historic Joint Comprehensive Plan of Action (JCPOA) was implemented on January 16, 2016 between the Islamic Republic of Iran and the E3/EU+3. The JCPOA hopes to ensure that the nuclear program in Iran will exist solely for peaceful purposes. This agreement will end long-lasting and crippling sanctions enforced on Iran in exchange for inflexible reductions to the Iranian centrifuge enrichment program and assurances of the absence of efforts to develop, build, or acquire a nuclear weapon. Given Iran’s past actions of nuclear hedging and pushing the boundaries of agreements, policymakers would benefit from a reliable method to judge the effectiveness of this agreement and how it should influence future policy. One method that can help inform policy decisions is with estimates of a state’s Nuclear Weapon
Latency. Nuclear Weapons
Latency is defined as the time needed for a non-nuclear weapon state to develop a conventionally deliverable nuclear weapon.
Iran’s Nuclear Weapon
Latency was quantified with and without the JCPOA using the Nuclear Weapons
Latency Computational Tool developed by D. Sweeney and W. Charlton at Texas A&M University. This MATLAB-based software focuses on the use of time-dependent proliferation pathway modeling using Petri Nets. The proliferation pathways used in this analysis include mining, milling, conversion, enrichment (gas centrifuge and atomic vapor laser isotope separation), reactor repair or construction, fuel fabrication, plutonium production, PUREX reprocessing, development of delivery systems, and weapon systems. A reference time was developed for each transition within the pathway using the reported capacity or production of a facility when known or using the Pakistani nuclear program as a historic model if the characteristics for the Iranian facility are not known. The Petri Nets simulation provides an estimate of the distribution of likely time durations of a nuclear program until the first deliverable weapon is produced. The simulation can be analyzed to test for sensitivities due to the pathways and input parameters. This testing could be valuable in the development of policy and the identification of the key technologies that could most impact Iran’s Nuclear Weapons
Latency. The analysis performed here shows that the large reduction in the stockpile of nuclear material and enrichment capability caused a sizable increase in the Iranian Nuclear Weapons
Latency.
Advisors/Committee Members: Charlton, William (advisor), Tsvetkov, Pavel (committee member), Furhmann, Matthew (committee member).
Subjects/Keywords: Iran Nuclear Program; JCPOA; Nuclear Weapons Latency
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APA ·
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Export
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Manager
APA (6th Edition):
Johansen, M. A. (2016). The Nuclear Weapons Latency Value of the Joint Comprehensive Plan of Action with the Islamic Republic of Iran. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/156989
Chicago Manual of Style (16th Edition):
Johansen, Mary Amelia. “The Nuclear Weapons Latency Value of the Joint Comprehensive Plan of Action with the Islamic Republic of Iran.” 2016. Masters Thesis, Texas A&M University. Accessed April 12, 2021.
http://hdl.handle.net/1969.1/156989.
MLA Handbook (7th Edition):
Johansen, Mary Amelia. “The Nuclear Weapons Latency Value of the Joint Comprehensive Plan of Action with the Islamic Republic of Iran.” 2016. Web. 12 Apr 2021.
Vancouver:
Johansen MA. The Nuclear Weapons Latency Value of the Joint Comprehensive Plan of Action with the Islamic Republic of Iran. [Internet] [Masters thesis]. Texas A&M University; 2016. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/1969.1/156989.
Council of Science Editors:
Johansen MA. The Nuclear Weapons Latency Value of the Joint Comprehensive Plan of Action with the Islamic Republic of Iran. [Masters Thesis]. Texas A&M University; 2016. Available from: http://hdl.handle.net/1969.1/156989
Texas A&M University
17.
Sweeney, David J.
Nuclear Weapons Latency.
Degree: PhD, Nuclear Engineering, 2014, Texas A&M University
URL: http://hdl.handle.net/1969.1/153573
► A novel nuclear weapons proliferation assessment method has been developed to determine a state’s Nuclear Weapons Latency, the expected time to be taken by a…
(more)
▼ A novel nuclear weapons proliferation assessment method has been developed to determine a state’s Nuclear Weapons
Latency, the expected time to be taken by a non-nuclear weapons state to develop a conventionally deliverable nuclear weapon given the state’s position on a path toward or away from a nuclear weapon and accounting for the state’s motivations and intentions. Potential proliferation time is taken as a representation of the latent proliferation capacity of a non-nuclear weapons state. An assessment of proliferation time is critical to crafting an effective policy response within a useful time frame. Current proliferation assessments either neglect proliferation time or are static case-specific assessments frequently built on restricted information and opaque assumptions.
The Nuclear Weapons
Latency computational tool has been developed to determine a state’s Nuclear Weapons
Latency and embodies a stochastic Petri net proliferation simulation. The tool makes only three simple assumptions: a decision to proliferate has been made, the proliferation pathway network is known, and the associated pathway activity times are estimable. Beyond the quantification of a state’s
latency, the tool provides a transparent, efficient, adaptable, and highly repeatable platform which allows for extensive sensitivity analysis to better inform the nonproliferation discussion and policy decisions.
Functionality of the tool was verified and inherent sensitivities determined through historical analysis with the U.S. case of proliferation in the Manhattan Project. Network and operational parameters were found that drove expected Latencies high while others increased the
Latency distribution variance. Further confidence was built with historical analyses of the Pakistani and South African cases of proliferation. These verifications were done in lieu of experimental validation which is impossible for future event simulations like the
Latency tool. Analysis revealed that while A.Q. Khan altered the Pakistani proliferation pathway, his impact on proliferation time may have been minimal.
A Multi-Attribute Utility Analysis (MAUA) function was implemented for proliferation pathway selection. This function might increase the accuracy of the most-likely
Latency estimate in certain cases. However, use of MAUA for adversary modeling also significantly increased the number of assumptions necessary.
A
Latency investigation of South Korean nuclear fuel cycle facility development, a current nonproliferation policy concern, demonstrates how Nuclear Weapons
Latency can help characterize the proliferation risk of different policy options for decision makers. Analysis showed that development of any one of pyroprocessing, PUREX, or especially commercial uranium enrichment technologies reduces South Korean
Latency. This risk characterization ability through policy option sensitivity enables the
Latency tool to help fill a void of useful proliferation risk information provided by technical assessments to policy makers identified by the 2013 National…
Advisors/Committee Members: Charlton, William S (advisor), Boyle, David (committee member), Wortman, Martin (committee member), Hermann, Charles (committee member).
Subjects/Keywords: Nuclear weapons proliferation assessment; Latency; Petri net
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APA (6th Edition):
Sweeney, D. J. (2014). Nuclear Weapons Latency. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/153573
Chicago Manual of Style (16th Edition):
Sweeney, David J. “Nuclear Weapons Latency.” 2014. Doctoral Dissertation, Texas A&M University. Accessed April 12, 2021.
http://hdl.handle.net/1969.1/153573.
MLA Handbook (7th Edition):
Sweeney, David J. “Nuclear Weapons Latency.” 2014. Web. 12 Apr 2021.
Vancouver:
Sweeney DJ. Nuclear Weapons Latency. [Internet] [Doctoral dissertation]. Texas A&M University; 2014. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/1969.1/153573.
Council of Science Editors:
Sweeney DJ. Nuclear Weapons Latency. [Doctoral Dissertation]. Texas A&M University; 2014. Available from: http://hdl.handle.net/1969.1/153573
Texas A&M University
18.
Deshpande, Hrishikesh.
Multipath Router Architectures to Reduce Latency in Network-on-Chips.
Degree: MS, Computer Engineering, 2012, Texas A&M University
URL: http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-11208
► The low latency is a prime concern for large Network-on-Chips (NoCs) typically used in chip-multiprocessors (CMPs) and multiprocessor system-on-chips (MPSoCs). A significant component of overall…
(more)
▼ The low
latency is a prime concern for large Network-on-Chips (NoCs) typically used in chip-multiprocessors (CMPs) and multiprocessor system-on-chips (MPSoCs). A significant component of overall
latency is the serialization delay for applications which have long packets such as typical video stream traffic. To address the serialization
latency, we propose to exploit the inherent path diversity available in a typical 2-D Mesh with our two novel router architectures, Dual-path router and Dandelion router. We observe that, in a 2-D mesh, for any source-destination pair, there are two minimal paths along the edges of the bounding box. We call it XY Dimension Order Routing (DOR) and YX DOR. There are also two non-minimal paths which are non-coinciding and out of the bounding box created by XY and YX DOR paths. Dual-path Router implements two injection and two ejection ports for parallel packet injection through two minimal paths. Packets are split into two halves and injected simultaneously into the network. Dandelion router implements four injection and ejection ports for parallel packet injection. Packets are split into smaller sub-packets and are injected simultaneously in all possible directions which typically include two minimal paths and two non-minimal paths. When all the sub-packets reach the destination, they are eventually recombined. We find that our technique significantly increases the throughput and reduces the serialization
latency and hence overall
latency of long packets. We explore the impact of Dual-path and Dandelion on various packet lengths in order to prove the advantage of our routers over the baseline. We further implement different deadlock free disjoint path models for Dandelion and develop a switching mechanism between Dual-path and Dandelion based on the traffic congestion.
Advisors/Committee Members: Choi, Seong Gwan (advisor), Gratz, Paul (committee member), Kim, Eun Jung (committee member).
Subjects/Keywords: Network-on-chips; Serialization Latency; Multipath Routing
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APA (6th Edition):
Deshpande, H. (2012). Multipath Router Architectures to Reduce Latency in Network-on-Chips. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-11208
Chicago Manual of Style (16th Edition):
Deshpande, Hrishikesh. “Multipath Router Architectures to Reduce Latency in Network-on-Chips.” 2012. Masters Thesis, Texas A&M University. Accessed April 12, 2021.
http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-11208.
MLA Handbook (7th Edition):
Deshpande, Hrishikesh. “Multipath Router Architectures to Reduce Latency in Network-on-Chips.” 2012. Web. 12 Apr 2021.
Vancouver:
Deshpande H. Multipath Router Architectures to Reduce Latency in Network-on-Chips. [Internet] [Masters thesis]. Texas A&M University; 2012. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-11208.
Council of Science Editors:
Deshpande H. Multipath Router Architectures to Reduce Latency in Network-on-Chips. [Masters Thesis]. Texas A&M University; 2012. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-11208
Penn State University
19.
Templin, Rebekah.
Reciprocal Regulation of Epstein-barr virus Ebna1 Expression During Viral Persistance
.
Degree: 2015, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/27413
► The Epstein-Barr virus (EBV) latency I promoter Qp is regulated both positively and negatively through protein-binding sites surrounding the transcription start site. These binding sites…
(more)
▼ The Epstein-Barr virus (EBV)
latency I promoter Qp is regulated both positively and negatively through protein-binding sites surrounding the transcription start site. These binding sites are believed to be necessary for the proper regulation of Qp, which provides EBNA1 mRNA in latently infected cells ultimately for the maintenance of the EBV genome, but studies to date on the regulation of Qp have relied solely on reporter-based assays. Here we addressed first, whether EBNA1 plays a negative auto-regulatory role in EBNA1 expression in infection as reporter-based assays suggest, and if so through what mechanism. Second, we asked if the activation of Qp via the positive regulatory element QRE-2 is essential for Qp activity in the context of the EBV genome and for the establishment of
latency. Using recombinant viruses, we found that, unlike in reporter-based assays, high expression of EBNA1 regulates Qp activity in latently infected cells transcriptionally rather than post-transcriptionally. Also, the positive regulatory element QRE-2 is necessary to support
latency I but not the
latency III program of EBV gene expression necessary for B cell immortalization. A recombinant virus that fails to transition from
latency III to
latency I by combining QRE-2 mutations with the disruption of EBNA1 auto-regulation of Qp, could be useful in vaccine strategies against this widely prevalent and oncogenic virus.
Advisors/Committee Members: Jeffery Thomas Sample, Thesis Advisor/Co-Advisor.
Subjects/Keywords: EBV; EBNA1; latency I; Qp regulation
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to Zotero / EndNote / Reference
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APA (6th Edition):
Templin, R. (2015). Reciprocal Regulation of Epstein-barr virus Ebna1 Expression During Viral Persistance
. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/27413
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Templin, Rebekah. “Reciprocal Regulation of Epstein-barr virus Ebna1 Expression During Viral Persistance
.” 2015. Thesis, Penn State University. Accessed April 12, 2021.
https://submit-etda.libraries.psu.edu/catalog/27413.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Templin, Rebekah. “Reciprocal Regulation of Epstein-barr virus Ebna1 Expression During Viral Persistance
.” 2015. Web. 12 Apr 2021.
Vancouver:
Templin R. Reciprocal Regulation of Epstein-barr virus Ebna1 Expression During Viral Persistance
. [Internet] [Thesis]. Penn State University; 2015. [cited 2021 Apr 12].
Available from: https://submit-etda.libraries.psu.edu/catalog/27413.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Templin R. Reciprocal Regulation of Epstein-barr virus Ebna1 Expression During Viral Persistance
. [Thesis]. Penn State University; 2015. Available from: https://submit-etda.libraries.psu.edu/catalog/27413
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Boston University
20.
Kaczmarek, Katarzyna.
The role of T cell specific factors and RNA Polymerase II pausing in HIV-1 replication in CD4+ T cells.
Degree: PhD, Molecular Medicine, 2015, Boston University
URL: http://hdl.handle.net/2144/15628
► In order to eradicate HIV-1 infection the virus needs to be specifically eliminated from latently infected memory CD4+ T cells. There does not seem to…
(more)
▼ In order to eradicate HIV-1 infection the virus needs to be specifically eliminated from latently infected memory CD4+ T cells. There does not seem to be a single mechanism that promotes HIV-1 latency. RNA Polymerase II (RNAP II) pausing, chromatin structure, tissue specific transcriptional repressors and transcriptional interference have been implicated in regulating HIV-1 transcription. The transcription factor B Lymphocyte-Induced Maturation Protein 1 (Blimp-1) is expressed in B and T cells and upregulated in patients chronically infected with HIV-1. I hypothesized that Blimp-1 is a T cell intrinsic factor that binds to HIV-1 LTR, inhibits HIV-1 transcription and contributes to HIV-1 latency. Blimp-1 is expressed in primary peripheral blood CD4+ T cells and is further induced by T cell activation. Importantly, Blimp-1 is highly expressed in memory CD4+ T cells compared to naïve CD4+ T cells. Ectopic expression of Blimp-1 in CD4+ T cells represses HIV-1 transcription, whereas decreasing Blimp-1 in memory CD4+ populations activates HIV-1 transcription. Reduction of Blimp-1 in infected primary T cells increases RNAP II processivity and histone H3 acetylation. Blimp-1 binds downstream of the HIV-1 5'-LTR to the interferon-stimulated response element (ISRE) in resting primary CD4+ T cells and strongly represses Tat-dependent HIV-1 transcription. Upon T cell activation, Blimp-1 is released from the HIV-1 ISRE and this correlates with significant increase in HIV-1 transcription. These results demonstrate that Blimp-1 acts to limit HIV-1 transcription in memory CD4+ T cells and promotes the establishment and maintenance of latency. I also examined whether neighboring host promoters could impact HIV-1 transcription. Using a set of inducible cell lines I observed that neighboring promoters have minimal impact on HIV-1 transcription and that enabling release of paused RNAP II by diminishing negative elongation factor (NELF) is sufficient to reactivate transcriptionally repressed HIV-1 provirus. The implications of my results in the different mechanisms regulating HIV-1 latency are discussed.
Subjects/Keywords: Microbiology; Blimp-1; HIV; Latency; Transcription
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APA ·
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MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kaczmarek, K. (2015). The role of T cell specific factors and RNA Polymerase II pausing in HIV-1 replication in CD4+ T cells. (Doctoral Dissertation). Boston University. Retrieved from http://hdl.handle.net/2144/15628
Chicago Manual of Style (16th Edition):
Kaczmarek, Katarzyna. “The role of T cell specific factors and RNA Polymerase II pausing in HIV-1 replication in CD4+ T cells.” 2015. Doctoral Dissertation, Boston University. Accessed April 12, 2021.
http://hdl.handle.net/2144/15628.
MLA Handbook (7th Edition):
Kaczmarek, Katarzyna. “The role of T cell specific factors and RNA Polymerase II pausing in HIV-1 replication in CD4+ T cells.” 2015. Web. 12 Apr 2021.
Vancouver:
Kaczmarek K. The role of T cell specific factors and RNA Polymerase II pausing in HIV-1 replication in CD4+ T cells. [Internet] [Doctoral dissertation]. Boston University; 2015. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/2144/15628.
Council of Science Editors:
Kaczmarek K. The role of T cell specific factors and RNA Polymerase II pausing in HIV-1 replication in CD4+ T cells. [Doctoral Dissertation]. Boston University; 2015. Available from: http://hdl.handle.net/2144/15628
University of California – Berkeley
21.
Limsirichai, Prajit.
Reactivating Latent HIV-1.
Degree: Microbiology, 2016, University of California – Berkeley
URL: http://www.escholarship.org/uc/item/2hn437qt
► Complete eradication of HIV-1 infection is impeded by the existence of cells that harbor chromosomally integrated but transcriptionally inactive provirus. These latently-infected cells can persist…
(more)
▼ Complete eradication of HIV-1 infection is impeded by the existence of cells that harbor chromosomally integrated but transcriptionally inactive provirus. These latently-infected cells can persist for years without producing viral progeny, rendering them refractory to immune surveillance and antiretroviral therapy and providing a permanent reservoir for the stochastic reactivation and reseeding of HIV-1. Strategies for purging this latent reservoir are thus needed to eradicate infection. Here we show that engineered transcriptional activation systems based on CRISPR/Cas9 can be harnessed to activate HIV-1 expression in cell line models of latency. We utilized two distinct CRISPR transcriptional activation systems, dCas9-VP64 and the synergistic activation mediator (SAM) complex, to target numerous sites across the HIV-1 long terminal repeat (LTR) promoter and observed robust expression from the full-length HIV-1 promoter in multiple cell line models of HIV-1 latency. We further demonstrated that complementing Cas9 activators with latency-reversing compounds can enhance latent HIV-1 transcription and that epigenome modulation using CRISPR-based acetyltransferases could also promote viral gene activation. Finally, we showed that latent HIV-1 expression could also be stimulated by CRISPR-mediated activation of endogenous factors not previously implicated in HIV-1 pathogenesis but whose expression could nonetheless reactivate viral gene expression. Collectively, these results demonstrate that CRISPR systems are potentially effective tools for inducing latent HIV-1 expression and that their use, in combination with antiretroviral therapy, could lead to improved therapies for HIV-1 infection.
Subjects/Keywords: Virology; CRISPR/Cas9; HIV-1; latency; reactivation
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Export
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Manager
APA (6th Edition):
Limsirichai, P. (2016). Reactivating Latent HIV-1. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/2hn437qt
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Limsirichai, Prajit. “Reactivating Latent HIV-1.” 2016. Thesis, University of California – Berkeley. Accessed April 12, 2021.
http://www.escholarship.org/uc/item/2hn437qt.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Limsirichai, Prajit. “Reactivating Latent HIV-1.” 2016. Web. 12 Apr 2021.
Vancouver:
Limsirichai P. Reactivating Latent HIV-1. [Internet] [Thesis]. University of California – Berkeley; 2016. [cited 2021 Apr 12].
Available from: http://www.escholarship.org/uc/item/2hn437qt.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Limsirichai P. Reactivating Latent HIV-1. [Thesis]. University of California – Berkeley; 2016. Available from: http://www.escholarship.org/uc/item/2hn437qt
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Tampere University
22.
Wang, Shanshan.
Online Speaker Separation Using Deep Clustering
.
Degree: 2019, Tampere University
URL: https://trepo.tuni.fi/handle/10024/117843
► In this thesis, a low-latency variant of speaker-independent deep clustering method is proposed for speaker separation. Compared to the offline deep clustering separation system, bidirectional…
(more)
▼ In this thesis, a low-latency variant of speaker-independent deep clustering method is
proposed for speaker separation. Compared to the offline deep clustering separation
system, bidirectional long-short term memory networks (BLSTMs) are replaced with
long-short term memory networks (LSTMs). The reason is that the data has to be
fed to the BLSTM networks both forward and backward directions. Additionally, the
final outputs depend on both directions, which make online processing not possible.
Also, 32 ms synthesis window is replaced with 8 ms in order to cooperate with low-
latency applications like hearing aids since the algorithmic latency depends upon the
length of synthesis window. Furthermore, the beginning of the audio mixture, here,
referred as buffer, is used to get the cluster centers for the constituent speakers in the
mixture serving as the initialization purpose. Later, those centers are used to assign
clusters for the rest of the mixture to achieve speaker separation with the latency
of 8 ms. The algorithm is evaluated on the Wall Street Journal corpus (WSJ0).
Changing the networks from BLSTM to LSTM while keeping the same window
length degrades the separation performance measured by signal-to-distortion ratio
(SDR) by 1.0 dB, which implies that the future information is important for the
separation. For investigating the effect of window length, keeping the same network
structure (LSTM), by changing window length from 32 ms to 8 ms, another 1.1 dB
drop in SDR is found. For the low-latency deep clustering speaker separation system,
different duration of buffer is studied. It is observed that initially, the separation
performance increases as the buffer increases. However, with buffer length of 0.3 s,
the separation performance keeps steady even by increasing the buffer. Compared to
offline deep clustering separation system, degradation of 2.8 dB in SDR is observed
for online system.
Subjects/Keywords: Speaker Separation;
Low Latency;
Deep Clustering
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MLA ·
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Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Wang, S. (2019). Online Speaker Separation Using Deep Clustering
. (Masters Thesis). Tampere University. Retrieved from https://trepo.tuni.fi/handle/10024/117843
Chicago Manual of Style (16th Edition):
Wang, Shanshan. “Online Speaker Separation Using Deep Clustering
.” 2019. Masters Thesis, Tampere University. Accessed April 12, 2021.
https://trepo.tuni.fi/handle/10024/117843.
MLA Handbook (7th Edition):
Wang, Shanshan. “Online Speaker Separation Using Deep Clustering
.” 2019. Web. 12 Apr 2021.
Vancouver:
Wang S. Online Speaker Separation Using Deep Clustering
. [Internet] [Masters thesis]. Tampere University; 2019. [cited 2021 Apr 12].
Available from: https://trepo.tuni.fi/handle/10024/117843.
Council of Science Editors:
Wang S. Online Speaker Separation Using Deep Clustering
. [Masters Thesis]. Tampere University; 2019. Available from: https://trepo.tuni.fi/handle/10024/117843
University of Wollongong
23.
Zhao, Dianbo.
Minimum latency broadcast algorithms for
wireless sensor networks.
Degree: Doctor of
Philosophy, 2013, University of Wollongong
URL: ;
https://ro.uow.edu.au/theses/3992
► Broadcast is a fundamental operation in Wireless Sensor Networks (WSNs). Given a source node with a packet to broadcast, the aim is to propagate…
(more)
▼ Broadcast is a
fundamental operation in Wireless Sensor Networks (WSNs).
Given a source node with a packet to broadcast, the aim
is to propagate the packet to all nodes in an
interference-free manner whilst incurring minimum
latency. This problem, called Minimum Latency Broadcast
Scheduling (MLBS), has been studied extensively in
wireless ad-hoc networks, whereby nodes remain on all the
time, and has been shown to be NP-hard. However, only a
few studies have addressed this problem in the context of
duty-cycled WSNs. In these WSNs, nodes do not wake-up
simultaneously, and hence, not all neighbors of a
transmitting node will receive a broadcast message at the
same time. Unfortunately, this Minimum Latency Broadcast
Scheduling problem in Duty-Cycled WSNs (MLBSDC) remains
NP-hard and multiple transmissions may be necessary due
to different wake-up times. Moreover, existing studies
addressed the MLBSDC problem only over the idealistic
interference model, i.e., the RTS/CTS interference model,
in which, if two or more nodes transmit simultaneously to
a single node, collision occurs and thereby, corrupting
the message. However, this idealistic interference model
does not take into account the interference from
transmissions outside a receiver’s transmission
range. This thesis, therefore,
investigates the MLBSDC problem under different
interference models, i.e., the RTS/CTS, protocol, and
physical interference model. Different from the RTS/CTS
interference model, the other two models reflect the fact
that the successful reception of a message is subject to
interference from transmissions outside the receiver’s
transmission range. This thesis proposes a series of
approximation algorithms. Specifically, the main
contributions of this thesis are as follows.
This thesis contributes two approximation
algorithms, called BS-1 and
BS-2, for the MLBSDC problem
under the RTS/CTS interference model. In particular, BS-2
produces the best constant approximation ratio of
13T in terms of broadcast latency,
as compared to other proposed algorithms. Here,
T denotes the number of time slots
in a scheduling period. Apart from
that, this thesis outlines one centralized greedy
heuristic algorithm and its distributed implementation,
called CEN and
DIS respectively, for the MLBSDC problem
under the RTS/CTS interference model. The centralised
version, i.e., CEN, produces a ratio of
(Δ-1)T in terms of broadcast
latency, where Δ is the maximum…
Subjects/Keywords: wireless sensor networks; broadcast; minimum latency; scheduling
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Zhao, D. (2013). Minimum latency broadcast algorithms for
wireless sensor networks. (Doctoral Dissertation). University of Wollongong. Retrieved from ; https://ro.uow.edu.au/theses/3992
Chicago Manual of Style (16th Edition):
Zhao, Dianbo. “Minimum latency broadcast algorithms for
wireless sensor networks.” 2013. Doctoral Dissertation, University of Wollongong. Accessed April 12, 2021.
; https://ro.uow.edu.au/theses/3992.
MLA Handbook (7th Edition):
Zhao, Dianbo. “Minimum latency broadcast algorithms for
wireless sensor networks.” 2013. Web. 12 Apr 2021.
Vancouver:
Zhao D. Minimum latency broadcast algorithms for
wireless sensor networks. [Internet] [Doctoral dissertation]. University of Wollongong; 2013. [cited 2021 Apr 12].
Available from: ; https://ro.uow.edu.au/theses/3992.
Council of Science Editors:
Zhao D. Minimum latency broadcast algorithms for
wireless sensor networks. [Doctoral Dissertation]. University of Wollongong; 2013. Available from: ; https://ro.uow.edu.au/theses/3992
University of Waikato
24.
Mungro, Meenakshee.
Rating the Significance of Detected Network Events
.
Degree: 2014, University of Waikato
URL: http://hdl.handle.net/10289/8808
► Existing anomaly detection systems do not reliably produce accurate severity ratings for detected network events, which results in network operators wasting a large amount of…
(more)
▼ Existing anomaly detection systems do not reliably produce accurate severity ratings for detected network events, which results in network operators wasting a large amount of time and effort in investigating false alarms. This project investigates the use of data fusion to combine evidence from multiple anomaly detection methods to produce a consistent and accurate representation of the severity of a network event. Four new detection methods were added to Netevmon, a network anomaly detection framework, and ground truth was collected from a
latency training dataset to calculate the set of probabilities required for each of the five data fusion methods chosen for testing. The evaluation was performed against a second test dataset containing manually assigned severity scores for each event and the significance ratings produced by the fusion methods were compared against the assigned severity score to determine the accuracy of each data fusion method.
The results of the evaluation showed that none of the data fusion methods achieved a desirable level of accuracy for practical deployment. However, Dempster-Shafer was the most promising of the fusion methods investigated due to correctly classifying more significant events than the other methods, albeit with a slightly higher false alarm rate. We conclude by suggesting some possible options for improving the accuracy of Dempster-Shafer that could be investigated as part of future work.
Advisors/Committee Members: Nelson, Richard (advisor).
Subjects/Keywords: Data fusion;
Anomaly detection;
Network latency
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Chicago ·
MLA ·
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Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Mungro, M. (2014). Rating the Significance of Detected Network Events
. (Masters Thesis). University of Waikato. Retrieved from http://hdl.handle.net/10289/8808
Chicago Manual of Style (16th Edition):
Mungro, Meenakshee. “Rating the Significance of Detected Network Events
.” 2014. Masters Thesis, University of Waikato. Accessed April 12, 2021.
http://hdl.handle.net/10289/8808.
MLA Handbook (7th Edition):
Mungro, Meenakshee. “Rating the Significance of Detected Network Events
.” 2014. Web. 12 Apr 2021.
Vancouver:
Mungro M. Rating the Significance of Detected Network Events
. [Internet] [Masters thesis]. University of Waikato; 2014. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/10289/8808.
Council of Science Editors:
Mungro M. Rating the Significance of Detected Network Events
. [Masters Thesis]. University of Waikato; 2014. Available from: http://hdl.handle.net/10289/8808
Università della Svizzera italiana
25.
Schiper, Nicolas.
On multicast primitives in large networks and partial
replication protocols.
Degree: 2009, Università della Svizzera italiana
URL: http://doc.rero.ch/record/12784
► Recent years have seen the rapid growth of web-based applications such as search engines, social networks, and e-commerce platforms. As a consequence, our daily life…
(more)
▼ Recent years have seen the rapid growth of web-based
applications such as search engines, social networks, and
e-commerce platforms. As a consequence, our daily life activities
rely on computers more and more each day. Designing reliable
computer systems has thus become of a prime importance. Reliability
alone is not sufficient however. These systems must support high
loads of client requests and, as a result, scalability is highly
valued as well. In this thesis, we address the design of
fault-tolerant computer systems. More precisely, we investigate the
feasibility of designing scalable database systems that offer the
illusion of accessing a single copy of a database, despite
failures. This study is carried out in the context of large
networks composed of several groups of machines located in the same
geographical region. Groups may be data centers, each located in a
local area network, connected through high-
latency links. In these
settings, the goal is to minimize the use of inter-group links. We
mask failures using data replication: if one copy of the data is
not available, a replica is accessed instead. Guaranteeing data
consistency in the presence of failures while offering good
performance constitutes the main challenge of this thesis. To reach
this goal, we first study fault-tolerant multicast communication
primitives that offer various message ordering guarantees. We then
rely on these multicast abstractions to propose replication
protocols in which machines hold a subset of the application's
data, denoted as partial replication. In contrast to full
replication, partial replication may potentially offer better
scalability since updates need not be applied to every machine in
the system. More specifically, this thesis makes contributions in
the distributed systems domain and in the database domain. In the
distributed systems domain, we first devise FIFO and causal
multicast algorithms, primitives that ease the design of replicated
data management protocols, as we will show. We then study atomic
multicast, a basic building block for synchronous database
replication. Two failure models are considered: one in which groups
are correct, i.e., groups contain at least one process that is
always up, and one in which groups may fail entirely. We show a
tight lower bound on the minimum number of inter-group message
delays required for atomic multicast in the first failure model.
When an arbitrary number of processes may fail and process failures
may not be predicted, we demonstrate that erroneous process failure
suspicion cannot be tolerated. We then present atomic multicast
protocols for the case of correct and faulty groups and empirically
compare their performance. The majority of the proposed algorithms
are
latency-optimal. In the database domain, we extend the database
state machine (DBSM), a previously proposed full replication
technique, to partial replication. In the DBSM, transactions are
executed locally at one database site according to the strict
two-phase locking policy. To ensure global data consistency,…
Advisors/Committee Members: Fernando (Dir.).
Subjects/Keywords: Latency lower bounds
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APA (6th Edition):
Schiper, N. (2009). On multicast primitives in large networks and partial
replication protocols. (Thesis). Università della Svizzera italiana. Retrieved from http://doc.rero.ch/record/12784
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Schiper, Nicolas. “On multicast primitives in large networks and partial
replication protocols.” 2009. Thesis, Università della Svizzera italiana. Accessed April 12, 2021.
http://doc.rero.ch/record/12784.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Schiper, Nicolas. “On multicast primitives in large networks and partial
replication protocols.” 2009. Web. 12 Apr 2021.
Vancouver:
Schiper N. On multicast primitives in large networks and partial
replication protocols. [Internet] [Thesis]. Università della Svizzera italiana; 2009. [cited 2021 Apr 12].
Available from: http://doc.rero.ch/record/12784.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Schiper N. On multicast primitives in large networks and partial
replication protocols. [Thesis]. Università della Svizzera italiana; 2009. Available from: http://doc.rero.ch/record/12784
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
26.
Poccardi, Nolwenn.
Etude du contrôle de l’etablissement de l’infection latente de HSV1 et de sa capacité de réactivation : Dynamic of the establisment of HSV1's latency and reactivation.
Degree: Docteur es, Microbiologie, 2017, Université Paris-Saclay (ComUE)
URL: http://www.theses.fr/2017SACLS148
► Le virus Herpes Simplex de type 1 (HSV1) est responsable chez l’homme, son seul hôte naturel, d’infections oculaires cornéennes (kératites) récurrentes, typiquement unilatérales, pouvant induire…
(more)
▼ Le virus Herpes Simplex de type 1 (HSV1) est responsable chez l’homme, son seul hôte naturel, d’infections oculaires cornéennes (kératites) récurrentes, typiquement unilatérales, pouvant induire une perte majeure de la vision. Pendant toute la vie, le virus reste à l’état quiescent (latence) dans le système nerveux, en particulier dans les deux ganglions trigéminés (TG) qui sont responsables de l’innervation sensitive de la cornée. La réactivation du virus à partir de ces TG entraine la kératite. Jusqu’à présent, les seuls traitements disponibles contre HSV1 ne sont que curatifs, c’est à dire qu’ils permettent de contrôler la réactivation que lorsque est déclarée. Il n’existe pour l’instant aucune thérapeutique réellement préventive sur l’ensemble des récidives, en particulier aucun vaccin n’a fait la preuve de son efficacité.Notre équipe a caractérisé un modèle d’infection herpétique par primo-infection orale, qui reproduit chez la souris une grande partie de l’histoire naturelle de l’infection herpétique telle qu’elle est observée chez l’homme. Ce modèle reproduit aussi la latéralisation, puisque la kératite initiale (puis ses récidives éventuelles) n’est observée que du côté inoculé, alors que l’infection latente est retrouvée dans les deux TG. Cependant, cette latence bilatérale n’est pas parfaitement symétrique à l’échelle moléculaire: alors que la charge virale latente (nombre de copies de génome) est similaire entre les deux TG, la production de LAT (
Latency-Associated Transcripts) est plus importante du côté inoculé, de même que le nombre de neurones exprimant ces LAT (Cavallero et al., 2014; Maillet et al., 2006). Or, l’expression des LAT, marqueur classique de l’infection latente par HSV1, est associée, d’après la littérature scientifique, à la possibilité ultérieure de réactivation virale. A l’inverse, une infection herpétique sans expression des LAT est considérée comme peu réactivable (Perng et al., 2000). L’asymétrie biologique observée dans notre modèle pourrait donc expliquer la plus forte capacité de réactivation de HSV1 du côté inoculé seulement.L’objectif de l’ensemble de notre projet a été de tenter de contraindre une souche virale sauvage (à virulence normale) à une infection latente mais à capacité réduite de réactivation (sans expression de LAT), c’est à dire comme observé du côté non-inoculé de notre modèle. Pour cela, nous avons étudié l’effet de la primo-infection herpétique d’une souche de HSV1 sur la sensibilité des tissus à héberger l’infection latente par une autre souche virale, inoculée ultérieurement et dans un autre site.Notre avons montré que la primo-infection par une souche de HSV1 a inhibé la pathogénie (morbidité et mortalité) induite une autre souche de HSV1 virulente, inoculée quelques jours après. La primo-infection a contraint cette souche réinfectante à une mise en latence sans réplication au préalable, cette latence ne s’accompagnant pas d’expression de LAT. Cet effet inhibiteur a également été observé lors de l’utilisation d’une souche atténuée, non virulente dans le…
Advisors/Committee Members: Labetoulle, Marc (thesis director).
Subjects/Keywords: Hsv1; Latence; Reactivation; Hsv1; Latency; Reactivation
Record Details
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Poccardi, N. (2017). Etude du contrôle de l’etablissement de l’infection latente de HSV1 et de sa capacité de réactivation : Dynamic of the establisment of HSV1's latency and reactivation. (Doctoral Dissertation). Université Paris-Saclay (ComUE). Retrieved from http://www.theses.fr/2017SACLS148
Chicago Manual of Style (16th Edition):
Poccardi, Nolwenn. “Etude du contrôle de l’etablissement de l’infection latente de HSV1 et de sa capacité de réactivation : Dynamic of the establisment of HSV1's latency and reactivation.” 2017. Doctoral Dissertation, Université Paris-Saclay (ComUE). Accessed April 12, 2021.
http://www.theses.fr/2017SACLS148.
MLA Handbook (7th Edition):
Poccardi, Nolwenn. “Etude du contrôle de l’etablissement de l’infection latente de HSV1 et de sa capacité de réactivation : Dynamic of the establisment of HSV1's latency and reactivation.” 2017. Web. 12 Apr 2021.
Vancouver:
Poccardi N. Etude du contrôle de l’etablissement de l’infection latente de HSV1 et de sa capacité de réactivation : Dynamic of the establisment of HSV1's latency and reactivation. [Internet] [Doctoral dissertation]. Université Paris-Saclay (ComUE); 2017. [cited 2021 Apr 12].
Available from: http://www.theses.fr/2017SACLS148.
Council of Science Editors:
Poccardi N. Etude du contrôle de l’etablissement de l’infection latente de HSV1 et de sa capacité de réactivation : Dynamic of the establisment of HSV1's latency and reactivation. [Doctoral Dissertation]. Université Paris-Saclay (ComUE); 2017. Available from: http://www.theses.fr/2017SACLS148
University of Illinois – Urbana-Champaign
27.
Yang, Yiwei.
Predictive web prefetching using mouse movement.
Degree: MS, 0112, 2014, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/46837
► The delay of web page loading time becomes one important factor of user experience. Lots of users are impatient. Therefore reducing the delay is important…
(more)
▼ The delay of web page loading time becomes one important factor of user experience. Lots of users are impatient. Therefore reducing the delay is important for both individuals and companies. This paper will use the prefetching
techniques to predict and fetch the next clicked links objects before the user clicks on that link to reduce user-perceived
latency. Though lots of prefetching techniques are already studied, none of them use user mouse movement trace to do prediction. This paper will deploy the trace as source and will examine three simple heuristics for the prediction. Each heuristic will be
evaluated through simulation and implemented. The results show that they would work well on average under certain parameter values and there are still limitations to be improved.
Advisors/Committee Members: Caesar, Matthew C. (advisor).
Subjects/Keywords: web prefetching; mouse movement trace; Latency
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Yang, Y. (2014). Predictive web prefetching using mouse movement. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/46837
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Yang, Yiwei. “Predictive web prefetching using mouse movement.” 2014. Thesis, University of Illinois – Urbana-Champaign. Accessed April 12, 2021.
http://hdl.handle.net/2142/46837.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Yang, Yiwei. “Predictive web prefetching using mouse movement.” 2014. Web. 12 Apr 2021.
Vancouver:
Yang Y. Predictive web prefetching using mouse movement. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2014. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/2142/46837.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Yang Y. Predictive web prefetching using mouse movement. [Thesis]. University of Illinois – Urbana-Champaign; 2014. Available from: http://hdl.handle.net/2142/46837
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Illinois – Urbana-Champaign
28.
Crago, Neal.
Efficient memory-level parallelism extraction with decoupled strands.
Degree: MS, 1200, 2011, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/24372
► We present Outrider, an architecture for throughput-oriented processors that exploits intra-thread memory-level parallelism (MLP) to improve performance efficiency on highly threaded workloads. Outrider enables a…
(more)
▼ We present Outrider, an architecture for throughput-oriented processors that exploits intra-thread memory-level parallelism (MLP) to improve performance efficiency on highly threaded workloads. Outrider enables a single thread of execution to be presented to the
architecture as multiple decoupled instruction streams, consisting of either memory accessing or memory consuming instructions. The key insight is that by decoupling the instruction streams, the processor pipeline can expose MLP in a
way similar to out-of-order designs while relying on a low-complexity in-order micro-architecture. Instead of adding more threads as is done in modern GPUs, Outrider can expose the same MLP with fewer threads and reduced contention for resources shared among threads.
We demonstrate that Outrider can outperform single-threaded cores by 23-131% and a 4-way simultaneous multi-threaded core by up to 87% in data parallel applications in a 1024-core system. Outrider achieves these performance gains without incurring the overhead of additional hardware thread contexts, which results in improved efficiency compared to a
multi-threaded core.
Advisors/Committee Members: Patel, Sanjay J. (advisor).
Subjects/Keywords: Memory Latency Tolerance; Accelerators; Processors; Decoupled
Record Details
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Crago, N. (2011). Efficient memory-level parallelism extraction with decoupled strands. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/24372
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Crago, Neal. “Efficient memory-level parallelism extraction with decoupled strands.” 2011. Thesis, University of Illinois – Urbana-Champaign. Accessed April 12, 2021.
http://hdl.handle.net/2142/24372.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Crago, Neal. “Efficient memory-level parallelism extraction with decoupled strands.” 2011. Web. 12 Apr 2021.
Vancouver:
Crago N. Efficient memory-level parallelism extraction with decoupled strands. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2011. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/2142/24372.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Crago N. Efficient memory-level parallelism extraction with decoupled strands. [Thesis]. University of Illinois – Urbana-Champaign; 2011. Available from: http://hdl.handle.net/2142/24372
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
29.
Limas, Eleuterio.
The Effects of a Social Norm Intervention on Smokers??? Physical Distress Tolerance and Smoking Behavior
.
Degree: 2014, California State University – San Marcos
URL: http://hdl.handle.net/10211.3/120423
► Smokers have been regarded as having low distress tolerance, a characteristic shown to be linked to smoking behavior. Individual and population based interventions have proven…
(more)
▼ Smokers have been regarded as having low distress tolerance, a characteristic shown to be linked to smoking behavior. Individual and population based interventions have proven to be effective in changing behavior; however, no research exists that has investigated the effect of a population based intervention on manipulating distress tolerance and subsequent smoking behavior. The present study utilized a type of population based approach commonly associated with successful behavior change: social norms. Specifically, the effects of a social norm intervention on distress tolerance as measured by pain tolerance during the cold pressor task as well as subsequent smoking behavior (i.e.,
latency to smoke) was examined. Participants consisted of 128 moderate smokers (at least 12 cigarettes per day). Participants were randomly assigned to one of two groups: social norm treatment and social norm control. Two separate oneway ANCOVA???s were conducted to assess the effects of the treatment on distress tolerance and subsequent smoking behavior while controlling for covariates (e.g., gender, pain catastrophizing). Results indicated that individuals who received a social norm message increased pain tolerance compared to those who did not receive a social norm message. However,
latency to smoke was similar across both groups. Implications as to how to better experimentally assess smoking variables in future studies are discussed.
Advisors/Committee Members: Pulvers, Kim (advisor).
Subjects/Keywords: Distress tolerance;
Smoking;
Latency;
Social norms
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Limas, E. (2014). The Effects of a Social Norm Intervention on Smokers??? Physical Distress Tolerance and Smoking Behavior
. (Thesis). California State University – San Marcos. Retrieved from http://hdl.handle.net/10211.3/120423
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Limas, Eleuterio. “The Effects of a Social Norm Intervention on Smokers??? Physical Distress Tolerance and Smoking Behavior
.” 2014. Thesis, California State University – San Marcos. Accessed April 12, 2021.
http://hdl.handle.net/10211.3/120423.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Limas, Eleuterio. “The Effects of a Social Norm Intervention on Smokers??? Physical Distress Tolerance and Smoking Behavior
.” 2014. Web. 12 Apr 2021.
Vancouver:
Limas E. The Effects of a Social Norm Intervention on Smokers??? Physical Distress Tolerance and Smoking Behavior
. [Internet] [Thesis]. California State University – San Marcos; 2014. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/10211.3/120423.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Limas E. The Effects of a Social Norm Intervention on Smokers??? Physical Distress Tolerance and Smoking Behavior
. [Thesis]. California State University – San Marcos; 2014. Available from: http://hdl.handle.net/10211.3/120423
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Virginia Tech
30.
Dekhane, Kunal Shashikant.
The Virginia Tech Phasor Data Concentrator Analysis & Testing System.
Degree: MS, Electrical and Computer Engineering, 2011, Virginia Tech
URL: http://hdl.handle.net/10919/46332
► The development of Smart Grid and an increased emphasis on Wide Area Measurement, Automation, Protection and Control (WAMPAC) has lead to the substantial increase in…
(more)
▼ The development of Smart Grid and an increased emphasis on Wide Area Measurement,
Automation, Protection and Control (WAMPAC) has lead to the substantial increase in the
development and use of Synchrophasor Systems. The Department of Energy having realized its
importance in the Power System has encouraged its deployment through the Smart Grid
Investment Grant. With many utilities beginning to implement a large number of PMUs over
their respective power systems, Phasor Data Concentrators (PDCs) play a crucial part in
accurately relaying data from the point of measurement to the operators at the control center. The
current Synchrophasor standard, IEEE C37.118-2005 covers adequately the steady state
characterization of PMUs but does not specify requirements for PDCs. Having recognized the
need for such a standard for PDCs, the North American Synchrophasor Initiative (NASPI) has
developed a guide outlining some of its objectives, functions and tests requirements. Virginia
Tech has developed a PDC Test System under these guidelines and as per the requirements of the
PJM Synchrophasor Systems Deployment Project. This thesis focuses on the testing tools
developed and the procedures implemented in the Virginia Tech PDC Test System.
Advisors/Committee Members: Centeno, Virgilio A. (committeechair), Mili, Lamine M. (committee member), De La Ree Lopez, Jaime (committee member).
Subjects/Keywords: synchrophasor; pdc; pdc testing; latency; pmu simulator
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APA ·
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APA (6th Edition):
Dekhane, K. S. (2011). The Virginia Tech Phasor Data Concentrator Analysis & Testing System. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/46332
Chicago Manual of Style (16th Edition):
Dekhane, Kunal Shashikant. “The Virginia Tech Phasor Data Concentrator Analysis & Testing System.” 2011. Masters Thesis, Virginia Tech. Accessed April 12, 2021.
http://hdl.handle.net/10919/46332.
MLA Handbook (7th Edition):
Dekhane, Kunal Shashikant. “The Virginia Tech Phasor Data Concentrator Analysis & Testing System.” 2011. Web. 12 Apr 2021.
Vancouver:
Dekhane KS. The Virginia Tech Phasor Data Concentrator Analysis & Testing System. [Internet] [Masters thesis]. Virginia Tech; 2011. [cited 2021 Apr 12].
Available from: http://hdl.handle.net/10919/46332.
Council of Science Editors:
Dekhane KS. The Virginia Tech Phasor Data Concentrator Analysis & Testing System. [Masters Thesis]. Virginia Tech; 2011. Available from: http://hdl.handle.net/10919/46332
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Open Access Theses and Dissertations