Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 15 of 15 for “"eye diagram"”.
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Eye diagram modeling and statistical simulation in nonlinear high-speed link systems
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-09-16 without embargo terms
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A low cost asynchronous eye diagram reconstruction system for high speed links
… in link communication systems. Specifically, eye diagrams are valuable visual aids to analyze and quantify digital signal quality. This thesis presents a novel low cost eye diagram reconstruction system using asynchronous undersampling technique, which solves a key problem in performance …
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Characterization of channel simulation method with Jitter and equalization effect on eye diagram
… through a channel. The efficient and accurate eye diagram generated from bit-by-bit mode simulation is presented. The eye diagram representation involving the jitter and equalization on both the transmitter and receiver ends is considered.
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Comprehensive algorithm for eye diagram crossing point detection and eye parameter extraction in transient simulation
… the accuracy of crossing point detection in eye diagrams, a critical component of eye parameter extraction in signal integrity analysis. Current industry tools often fail in edge cases, particularly when dealing with nonlinearities and high distortion. This research identifies these …
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Validation and optimization of analog circuits using randomized search algorithms
… compressing analog stress tests, worst-case eye diagram analysis, performance optimization, machine learning, and monitoring runtime behaviors of analog circuits. We used Duplex for validation and optimization of analog circuits. Duplex automatically generates input stimuli that expose bugs …
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Techniques for stochastic simulation of complex electromagnetic and circuit systems with uncertainties
… analysis methodology is demonstrated using eye diagram opening as cost function. Additionally, a wavelet-based Stochastic Collocation technique is introduced to solve circuit problems with resonant behavior. Finally, we discuss the overall work presented in this thesis and discuss several …
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Modeling and performance evaluation of free space optical link for ground-to-train communications
… terms of Received power, Q factor, SNR, BER, and Eye diagram patterns using MATLAB® and Optisystem®. Simulation results show significant effects of geometrical and atmospheric losses on single and dual transmitters link performances. However, Quad and triple transmitters have obtained a feasible …
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Monolithic electronic-photonic integration in state-of-the-art CMOS processes
… is verified by recording a 600 Mb/s eye diagram from a resonant modulator driven by integrated digital circuits. Initial work towards photonic device integration within the peripheral CMOS flow of a memory process that has resulted in polysilicon waveguide propagation losses of 6.4 …
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Photonic neural networks for signal equalization in optical fiber transmission
… training is performed offline by maximizing the eye diagram aperture, verifying the equalization in single- and multi-span links. Simulations allowed studying the scalability of the device to 100G applications, adapting the existing layouts and testing new architectures for future …
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SiGe BiCMOS integrated circuits for optical communication transmitters
… electro-optical devices is also designed, with eye-diagram measurements showing a PRBS7 of 115 Gb/s and demonstrating a state-of-the-art figure-of-merit (FoM) value of 0.87 pJ/b.
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Enhanced digital modulation of coherently coupled vertical cavity laser arrays: theory and application
… laser elements simultaneously. The resulting eye diagram is shown to be improved under coherent-coupling conditions. The analysis in this dissertation shows that the laser array must be carefully designed, biased, and modulated within the locking region to achieve an output signal with low …
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Machine learning approach for high speed link modeling and IBIS-AMI model generation
… IBIS-AMI model in Keysight ADS and conduct the eye-diagram analysis. IBIS-AMI model generation is not trivial. It requires cross-disciplinary knowledge in signal integrity, HSL circuit, and software engineering. To facilitate the process of IBIS-AMI model generation, we developed a software, …
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Latency insertion method for fast high-speed link and IC simulation
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-08-01
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System-level design, simulation and measurement for high-speed data links
The era of the internet-of-things (IOT) is expanding the utilization of mobile and cloud computing to a global scale. The enormous data transport places a huge design overhead in building low-cost, low-power, low-error-rate high-speed data links. This thesis provides a system-level overview of the …
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Machine learning based models for signal integrity analysis
Made available in DSpace on 2022-01-12T22:35:16Z (GMT). No. of bitstreams: 3 NGUYEN-DISSERTATION-2021.pdf: 24692877 bytes, checksum: 26f8ad8bdafbb48958bc3f2682a3dd51 (MD5) LICENSE.txt: 4209 bytes, checksum: 548a765547e3e0ab8829c91d9ea90bc4 (MD5) PROQUEST_LICENSE.txt: 4555 bytes, checksum: …