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Princeton University Department of Electrical Engineering

Works: 356 works in 382 publications in 1 language and 1,485 library holdings
Genres: Academic theses  Conference papers and proceedings 
Roles: his, Sponsor, Other
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Most widely held works about Princeton University
Most widely held works by Princeton University
Proceedings of the ... Conference on Information Sciences and Systems by Conference on Information Sciences and Systems( )

in English and held by 88 WorldCat member libraries worldwide

Architectures for secure cloud computing servers by Jakub Szefer( Book )

1 edition published in 2013 in English and held by 53 WorldCat member libraries worldwide

Cloud computing, enabled by virtualization technologies, has become an important computing paradigm. However, by choosing the cloud computing model the customers give up control, e.g. over the system software, of servers where their code executes and where their data is stored. In this dissertation, we propose to leverage server hardware to provide protections for the code and data inside a customer's virtual machines on the remote cloud servers. In particular, this dissertation explores a threat that has not been addressed by researchers before -- that of the virtualization (system) software becoming compromised or malicious and attacking other virtual machines on the server. The high-level goal is to make code and data executing in a remote virtual machine as secure as if it were executing inside a customer's own office on a dedicated server, despite customer's lack of control over the system software. The first new research direction that we present is our hypervisor-free virtualization, which is realized in the NoHype architecture. Hypervisor-free virtualization takes a novel approach of removing the need for a virtualization layer during a virtual machine's runtime. This eliminates the attack surface from potentially malicious virtual machines to the virtualization layer and reduces the attackers' means for gaining virtualization layer privileges that they could then use to compromise the rest of the system. The hypervisor-free virtualization can be realized on existing hardware. The second new research direction that we present is our hypervisor-secure virtualization, which is realized in the HyperWall architecture. The architecture proposes new hardware so that untrusted virtualization layer can dynamically manage server resources, such as memory allocation, but confidentiality and integrity of virtual machines memory is protected. We also present hardware trust evidence mechanisms, which can be used to attest to the customer configuration and enforcement of protections of their virtual machines. The last part of this dissertation presents a new security verification methodology. Our methodology can be used to help check the correctness of hardware-software security architectures. Performing security verification, which is different from functional verification, can help find security bugs and facilitate committing designs to hardware
High-accuracy laser spectrometers for wireless trace-gas sensor networks by Clinton James Smith( Book )

1 edition published in 2013 in English and held by 53 WorldCat member libraries worldwide

Next, this dissertation covers two techniques that were developed for the real-time calibration of laser-based trace-gas measurements. The first technique used an in-line reference gas cell and employed wavelength modulation spectroscopy (WMS) at higher harmonics to simultaneously probe the sample and reference spectra. The second technique used a revolving in-line reference cell to suppress background and other non-spectroscopic signals. These techniques were designed for eventual inclusion as a real-time calibration source for field deployable trace-gas sensors and wireless sensor networks
Considerations on the optimal and efficient processing of information-bearing signals by Herbert Andrew Harms( Book )

1 edition published in 2013 in English and held by 53 WorldCat member libraries worldwide

Noise is a fundamental hurdle that impedes the processing of information-bearing signals, specifically the extraction of salient information. Processing that is both optimal and efficient is desired; optimality ensures the extracted information has the highest fidelity allowed by the noise, while efficiency ensures limited resource usage. Optimal detectors and estimators have long been known, e.g., for maximum likelihood or minimum mean-squared error criteria, but might not admit an efficient implementation. A tradeoff often exists between the two goals. This thesis explores the tradeoff between optimality and efficiency in a passive radar system and an analog-to-digital converter. A passive radar system opportunistically uses illuminating signals from the environment to detect and track targets of interest, e.g., airplanes or vehicles. As an opportunistic user of signals, the system does not have control over the transmitted waveform. The available waveforms are not designed for radar and often have undesirable properties for radar systems, so the burden is on the receiver processing to overcome these obstacles. A novel technique is proposed for the processing of digital television signals as passive radar illuminators that eases the need for complex detection and tracking schemes while incurring only a small penalty in detection performance. An analog-to-digital converter samples analog signals for digital processing. The Shannon-Nyquist theorem describes a sufficient sampling and recovery scheme for bandlimited signals from uniformly spaced samples taken at a rate twice the bandwidth of the signal. Frequency-sparse signals are composed of relatively few frequency components and have fewer degrees of freedom than a frequency-dense bandlimited signal. Recent results in compressed sensing describe sufficient sampling and recovery schemes for frequency-sparse signals that require a sampling rate proportional to the spectral density and the logarithm of the bandwidth, while providing high fidelity and requiring many fewer samples, which saves resources. A proposed sampling and simple recovery scheme is shown to efficiently recover the locations of tones in a large bandwidth nearly-optimally using relatively few samples. The proposed sampling scheme is further optimized for full recovery of the input signal by matching the statistics of the scheme to the statistics of the input signal
Interface recombination in TiO2/Silicon heterojunctions for silicon photovoltaic applications by Janam Jhaveri( Book )

1 edition published in 2018 in English and held by 52 WorldCat member libraries worldwide

Molecular doping of organic semiconductors by Xin Lin( Book )

1 edition published in 2018 in English and held by 52 WorldCat member libraries worldwide

Another challenge in this field is n-type doping. Although a variety of stable molecular p-dopants have been developed and successfully deployed in devices, air-stable molecular n-dopants suitable for materials with low electron affinity, which are exceedingly important in a range of applications, are essentially non-existent. We demonstrate a major advance to n-dope very low electron affinity organic semiconductors using cleavable air-stable dimeric dopants. Although the reduction potentials of these host materials are beyond the thermodynamic reach of the dimer's effective reducing strength, photo-activation of the doped system can result in kinetically stable and efficient n-doping. High-efficiency organic light-emitting diodes are fabricated by using electron-transport layers doped in this manner. Our strategy thus enables a new paradigm for using air-stable molecular dopants to improve conductivity in organic semiconductors with very low electron affinity and provide ohmic contacts to these materials regardless of the electrode work function, giving more freedom to device design and optimization
Exploring data compression and random-access reduction to mitigate the bandwidth wall for manycore architectures by Tri Minh Nguyen( Book )

1 edition published in 2018 in English and held by 52 WorldCat member libraries worldwide

Data compression and random-access reduction are promising approaches to increase bandwidth without raising costs. This thesis makes three specific contributions to the state-of-the-art. First, to reduce cache misses, we propose an on-chip cache compression method that drastically increases compression performance and cache hit rate over prior work. Second, to improve direct compression of off-chip bandwidth and make it more scalable, we propose a novel link compression framework that exploits the on-chip caches themselves as a massive and scalable compression dictionary. Last, to overcome poor random-access performance of nonvolatile memory (NVM) and make it more attractive as a DRAM replacement with crash consistency, we propose a multi-undo logging scheme that seamlessly logs memory writes sequentially to maximize NVM I/O operations per second (IOPS)
Microwave cavity lattices for quantum simulation with photons by Devin Lane Underwood( Book )

1 edition published in 2015 in English and held by 52 WorldCat member libraries worldwide

Three experiments addressing these issues were performed. In the rst experiment a Kagome lattice of transmission line resonators was designed and fabricated, and a comprehensive study on the effects of random disorder in the lattice demonstrated that disorder was dependent on the resonator geometry. Subsequently a cryogenic 3-axis scanning stage was developed and the operation of the scanning stage was demonstrated in the final two experiments. The rst scanning experiment was conducted on a 49 site Kagome lattice, where a sapphire defect was used to locally perturb each lattice site. This perturbative scanning probe microscopy provided a means to measure the distribution of photon modes throughout the entire lattice. The second scanning experiment was performed on a single transmission line resonator where a transmon qubit was fabricated on a separate substrate, mounted to the tip of the scanning stage and coupled to the resonator. Here the coupling strength of the qubit to the resonator was mapped out demonstrating strong coupling over a wide scanning range, thus indicating the potential for a scanning qubit to be used as a local quantum probe
Integrating Exponential Dispersion Models to Latent Structures by Mehmet Emin Basbug( Book )

1 edition published in 2017 in English and held by 52 WorldCat member libraries worldwide

Latent variable models have two basic components: a latent structure encoding a hypothesized complex pattern and an observation model capturing the data distribution. With the advancements in machine learning and increasing availability of resources, we are able to perform inference in deeper and more sophisticated latent variable models. In most cases, these models are designed with a particular application in mind; hence, they tend to have restrictive observation models. The challenge, surfaced with the increasing diversity of data sets, is to generalize these latent models to work with different data types. We aim to address this problem by utilizing exponential dispersion models (EDMs) and proposing mechanisms for incorporating them into latent structures. (Abstract shortened by ProQuest.)
Encapsulation of organic light emitting diodes by Bhadri Visweswaran( Book )

1 edition published in 2014 in English and held by 52 WorldCat member libraries worldwide

To provide quantitative feedback during barrier material development, techniques for measuring low diffusion coefficient and solubility of water in a barrier material have been developed. The mechanism of water diffusion in the barrier has been identified. From the measurements, we have created a model for predicting the operating lifetime from accelerated tests when the lifetime is limited by bulk diffusion
Engineering interfacial properties of organic semiconductors through soft-contact lamination and surface functionalization by Andrew Leo Shu( Book )

1 edition published in 2014 in English and held by 52 WorldCat member libraries worldwide

Organic electronics is a topic of interest due to its potential for low temperature and solution processing for large area and flexible applications. Examples of organic electronic devices are already available on the market; however these are, in general, still rather expensive. In order to fully realize inexpensive and efficient organic electronics, the properties of organic films need to be understood and strategies developed to take advantage of these properties to improve device performance. This work focuses on two strategies that can be used to control charge transport at interfaces with active organic semiconducting thin films. These strategies are studied and verified with a range of photoemission spectroscopy, surface probe microscopy, and electrical measurements
Decoherence of 31P donor spins in silicon by Evan Scot Petersen( Book )

1 edition published in 2018 in English and held by 52 WorldCat member libraries worldwide

I find that nuclear spin echo decay times vary linearly with 29Si concentration. The non-exponential decays shown here establish a range of 29Si flip-flop rates, with some being fast compared to experiment timescales and others being slow. Furthermore, when compared to measurements of ionized nuclear spins, the echo decays here imply a "frozen core" picture where the donor electron spin protects the nuclear spin by detuning neighboring 29Si atoms
Metal oxide/semiconductor heterojunctions as carrier-selective contacts for photovoltaic applications by Gabriel Jen Shi Man( Book )

1 edition published in 2017 in English and held by 52 WorldCat member libraries worldwide

The proper design and implementation of a CSC is crucial, as the performance, lifetime, and/or cost reduction of a solar cell can be hampered by a single interface or layer. A framework, consisting of eight core requirements, was developed from first-principles to evaluate the effectiveness of a given CSC. The framework includes some requirements which are well-recognized, such as the need for appropriate band offsets, and some requirements which are not well-recognized at the moment, such as the need for effective valence/conduction band density of states matching between the absorber and CSC
Second Symposium on Operating Systems Principles : October 20-22, 1969, Princeton University by Symposium on Operating Systems Principles( Book )

2 editions published in 1971 in English and held by 34 WorldCat member libraries worldwide

2006 40th annual Conference on Information Sciences and Systems : proceedings : [March 22-24, 2006 : Princeton, NJ, Nassau Inn, Princeton] by Conference on Information Sciences and Systems( )

1 edition published in 2006 in English and held by 30 WorldCat member libraries worldwide

44th Annual Conference on Information Sciences and Systems : March 17-19, 2010, Princeton University by Conference on Information Sciences and Systems( )

1 edition published in 2010 in English and held by 27 WorldCat member libraries worldwide

2012 46th Annual Conference on Information Sciences and Systems : (CISS) : March 21-23, 2012, Princeton University, Princeton NJ, USA by Conference on Information Sciences and Systems( )

1 edition published in 2012 in English and held by 27 WorldCat member libraries worldwide

Proceedings by Princeton Conference on Information Sciences and Systems( )

in English and held by 23 WorldCat member libraries worldwide

Models for Individual Decision-Making with Social Feedback by Andrea Nedic( Book )

1 edition published in 2011 in English and held by 20 WorldCat member libraries worldwide

To further investigate social effects and disassociate the behaviors motivated by the reward structure itself from the behaviors caused by social influence, we investigate data from our second experiment: a two-dimensional spatial exploration task in which rewards received are determined by a spatially-dependent schedule whose mean varies along one dimension, with no change in rewards, on average, along the other direction. We examine how rewards may be inferred over the space being explored, and then consider how this reward-inference model may elucidate behavioral changes and different propensities for exploration or exploitation arising from various types of social feedback
Proceedings of the Second Annual Princeton Conference on Information Sciences and Systems; papers presented March 25-26, 1968 by Princeton Conference on Information Sciences and Systems( Book )

2 editions published in 1968 in English and held by 16 WorldCat member libraries worldwide

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Alternative Names

controlled identityPrinceton University

controlled identityPrinceton University. Department of Electrical Engineering and Computer Science

Department of Electrical Engineering

Electrical Engineering Department

Princeton University. Dept. of Electrical Engineering

Princeton University Electrical Engineering Department

English (25)