Searched for: department%3A%22Microelectronics%255C%252B%2526%255C%252BComputer%255C%252BEngineering%22
(21 - 40 of 130)
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Huang, X. (author)The emerging field of internet of things promises mankind an enhanced life quality, produc-tivity and security. One critical technology enabler is ubiquitous and unobtrusive wireless connectivity activated by ambient events and operated with little human intervention for con-figuration and maintenance. Commercial off-the-shelf radio devices...doctoral thesis 2014
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Alavi, S.M. (author), Staszewski, R.B. (author), De Vreede, L.C.N. (author), Long, J.R. (author)This paper presents a wideband 2 13-bit in-phase/quadrature-phase (I/Q) RF digital-to-analog converter-based all-digital modulator realized in 65-nm CMOS. The isolation between I and Q paths is guaranteed employing 25% duty-cycle differential quadrature clocks. With a 1.3-V supply and an on-chip power combiner, the digital I/Q transmitter...journal article 2014
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Zhuang, J. (author), Staszewski, R.B. (author)This paper presents an all-digital phase-locked loop (ADPLL) architecture in a new light that allows it to significantly save power through complexity reduction of its phase locking and detection mechanisms. The natural predictive nature of the ADPLL to estimate next edge occurrence of the reference clock is exploited here to reduce the timing...journal article 2014
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Tang, J. (author)The majority of Integrated Circuit (IC) devices are encapsulated in wire-bonded plastic IC packages. Epoxy molding compound is used as the encapsulation material and gold was used as the bonding wire material. However, the increase of gold material price from 400 USD/ounce in year 2005 to 1400 USD/ounce in year 2013 results in a major cost issue...doctoral thesis 2014
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Marchetti, M. (author)This thesis concentrates on the development of advanced large-signal measurement and characterization tools to support technology development, model extraction and validation, and power amplifier (PA) designs that address the newly introduced third and fourth generation (3G and 4G) wideband communication standards. By exploiting an innovative...doctoral thesis 2013
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Tan, J. (author)This thesis investigates the ionizing radiation effects on 4T pixels and the elementary in-pixel test devices with regard to the electrical performance and the optical performance. In addition to an analysis of the macroscopic pixel parameter degradation, the radiation-induced degradation mechanisms are also presented from the microscopic...doctoral thesis 2013
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Xu, T. (author)This thesis is dedicated to transceiver designs for high data-rate wireless communication systems with rapidly moving terminals. The challenges are two-fold. On the one hand, more spectral bandwidth of the transmitted signals is required by future wireless systems to obtain higher transmission rates, which can result in the frequency selectivity...doctoral thesis 2013
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Sammak, A. (author)Heterogeneous integration of III-V semiconductors with silicon (Si) technology is an interesting approach to utilize the advantages of both high-speed photonic and electronic properties. The work presented in this thesis is initiated by this major goal of merging III-V semiconductor technology with Si technology. The focus was primitively placed...doctoral thesis 2012
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Wahlah, M.A. (author)Technology down-scaling and platform-based designs have enforced a number of application and architecture trends for system-on-chip (SOC) designs. A modern SOC is now a multi-functional machine that can execute a large number of complex applications by using tens or even hundreds of intellectual properties (IPs). Meanwhile, due to a number of...doctoral thesis 2012
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Bi, Y. (author)With each new generation of IC process technologies, the impact of manufacturing variability is increasing. As such, design optimality is harder and harder to achieve and effective modeling tools and methods are needed to capture the effects of variability in such a way that it is understandable and useful to IC designers. Our research has been...doctoral thesis 2012
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Xie, N. (author)A digital sun sensor is superior to an analog sun sensor in aspects of resolution, albedo immunity, and integration. The proposed Micro-Digital Sun Sensor (µDSS) is an autonomous digital sun sensor which is implemented by means of a CMOS image sensor, which is named APS+. The µDSS is designed specifically for micro-satellite application which...doctoral thesis 2012
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Haron, N.Z.B. (author)Emerging nanoelectronic memories such as Resistive Random Access Memories (RRAMs) are possible candidates to replace the conventional memory technologies such as SRAMs, DRAMs and flash memories in future computer systems. Despite their advantages such as enormous storage capacity, low-power per unit device and reduced manufacturing difficulties,...doctoral thesis 2012
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Yang, C.K. (author)This thesis studies the effects of scaling on the characterisation and readout of micro-electro mechanical systems (MEMS) to nano-electro mechanical systems (NEMS). In particular it focuses on cantilever, which is a basic device building block and an important transducer in many sensing applications. This thesis presents an overview of major...doctoral thesis 2012
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Yu, Z. (author)This thesis describes the design of a front-end application-specific integrated circuit (ASIC), which will be put into the tip of a miniature ultrasound probe for 3D Trans-Esophageal Echocardiography (TEE). To enable 3D TEE, a matrix piezoelectric ultrasound transducer with more than 2000 elements will be used. Since a gastroscopic tube cannot...doctoral thesis 2012
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Sima, V.M. (author)In this dissertation, we address the problem of runtime adaptation of the application to its execution environment. A typical example is changing theprocessing element on which a computation is executed, considering the available processing elements in the system. This is done based on the information and instrumentation provided by the compiler...doctoral thesis 2012
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Chen, Y. (author)This thesis presents the development of low-noise CMOS image sensors for radio-molecular imaging. The development is described in two directions: firstly, from the technology point of view to reduce the pixel noise level, and secondly from the design point of view to reduce the pixel readout circuits noise level. With respect to the SNR and...doctoral thesis 2012
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Santagata, F. (author)Many Micro-Electro-Mechanical-Systems (MEMS) require encapsulation, to prevent delicate sensor structures being exposed to external perturbations such as dust, humidity, touching, and gas pressure. An upcoming and cost-effective way of encapsulation is zero-level packaging or thin-film encapsulation. With this method, MEMS are already sealed...doctoral thesis 2011
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Wang, Y. (author)The great demand for location-aware wireless sensor networks (WSNs) motivates the research in this thesis. The unique characteristics of WSNs impose numerous challenges on localization and communication. In this thesis, we handle some key challenges and provide affordable solutions. Impulse radio ultra wideband (IR-UWB) is employed as the...doctoral thesis 2011
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Biasotto, C. (author)The work presented in this thesis was performed in the context of the European Sixth Framework Program FP6 project “Disposable Dot Field Effect Transistor for High Speed Si Integrated Circuits”, referred to as the D-DotFET project. The project had the goal of realizing strain-enhanced mobility in CMOS transistors by transferring strain from a...doctoral thesis 2011
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Sebastiano, F. (author)Wireless Sensor Networks require small low-cost radios to enable communication among its nodes. Since those radios must be fully integrated to reduce cost and size, integration is required also for their on-board time references, which are needed to achieve synchronization with the other nodes. To deal with the lower accuracy of integrated...doctoral thesis 2011
Searched for: department%3A%22Microelectronics%255C%252B%2526%255C%252BComputer%255C%252BEngineering%22
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