Browse Dissertations and Theses - Electrical and Computer Engineering by Contributor "Singer, Andrew C."

  • Lee, Seok-Jun (2004)
    Various linear turbo equalizer VLSI architectures are explored. Energy-efficient architectures that eliminate redundant operations and employing early termination achieve power savings up to 60%. To improve the throughput, ...

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  • Lu, Minwei (2010-05-19)
    In this thesis, we propose BER-optimal analog-to-digital converters (ADC) where quantization levels and thresholds are set non-uniformly to minimize the bit-error rate (BER). This is in contrast to present-day ADCs which ...

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  • Song, Seongwook (2004)
    As the Internet becomes a part of daily life, new applications such as multimedia services are emerging, not just in the wired environment but also in the wireless one. In addition, there have been remarkable developments ...

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  • Kozat, Suleyman Serdar (2004)
    Finally, we conclude the thesis by investigating the competitive prediction problem in a probabilistic setting. Here we investigate a particular algorithm and show that this algorithm is universal such that it asymptotically ...

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  • Yang, Sijung (2017-04-27)
    Ultrasonic communication provides an alternative to radio-frequency (RF) by transmitting guided ultrasonic signals along installed or buried metallic pipes. Buried pipe corrosion monitoring and intermittent infrastructure ...

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  • Choi, Jun Won (2010-05-19)
    In this dissertation, efficient receiver algorithms and architectures for digital communications are studied. As the demand for higher data communication rate increases, the dimension of communication systems is rapidly ...

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  • Lin, Yingyan (2017-06-30)
    Machine learning (ML) systems are finding excellent utility in tackling the data deluge of the big data era thanks to the exponential increase in computing power. Current ML systems adopt either centralized cloud computing ...

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  • Drost, Robert James (2007)
    We examine the use of graphical models for the equalization of digital communication channels with memory. Graphical models provide a framework in which the structure of large systems can be exploited to derive efficient ...

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  • Riedl, Thomas J. (2010-01-06)
    We consider the problem of channel modeling and channel estimation. The widely used wide sense stationary uncorrelated scattering model for the communications channel neglects correlations between different multipath ...

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  • Xu, Yang (2017-10-23)
    In this dissertation, we present several algorithms developed for optical coherence tomography (OCT) datasets. We show that by incorporating physical modeling, mathematical analysis and signal processing, it is possible ...

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  • Jiang, Yibo (2005)
    In this dissertation, we focus on an information theoretic study of linear dispersion (LD) codes and low-density parity-check (LDPC) codes. For bit-linear LD codes, we find necessary and sufficient conditions on the ...

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  • Daly, Erica Lynn (2010-01-06)
    Communicating at a high data rate through the ocean is challenging. Such communications must be acoustic in order to travel long distances. The underwater acoustic channel has a long delay spread, which makes orthogonal ...

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  • Deka, Biplab (2017-12-04)
    Millions of mobile apps are used by billions of users every day. Although the design of these apps play an important role in their adoption, the design process still remains complex and time intensive. At the same time, ...

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  • Gupta, Aditya (2011-01-14)
    Current techniques used in pipelining recursive filters require high hardware complexity. These techniques attempt to preserve the exact frequency response of the original circuit while seeking to construct a pipelined ...

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  • Liu, Wenbo (2011-01-21)
    This dissertation presents the design of three high-performance successive-approximation-register (SAR) analog-to-digital converters (ADCs) using distinct digital background calibration techniques under the framework of a ...

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  • Bean, Andrew J (2015-04-21)
    Algorithms on graphs are used extensively in many applications and research areas. Such applications include machine learning, artificial intelligence, communications, image processing, state tracking, sensor networks, ...

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  • Kairouz, Peter (2013-02-03)
    We consider multi-input multi-output (MIMO) communications over multi-mode fibers (MMFs). Current MMF standards, such as OM3 and OM4, use fibers with core radii of 50\,$\mu$m, allowing hundreds of modes to propagate. ...

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  • Arikan, Toros (2017-04-27)
    HF radio communications offer latency advantages over fiber-optics and are more economical than satellite links in long-distance communication applications. As a result, there is renewed interest in the field of HF from ...

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  • Tabak, Gizem (2016-12-07)
    Conventional heart rate measurement techniques, including manual measurement by placing two fingers on the wrist or side of the neck, electrocardiogram (ECG) or pulse oximetry devices require direct physical contact to the ...

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  • Sevuktekin, Noyan Cem (2015-07-06)
    Mathematical modeling of pulse width modulation (PWM) is given. For a band-limited, finite energy input signal, a PWM generation mechanism is investigated in linear and non-linear blocks separately. Following the common ...

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