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.
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Showing 1 to 20 of 21 for “"Code Design"”.
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Code design for the relay channel
The design of wireless communication networks is based on the premise that networks are collections of reliable point-to-point links between communicating nodes. Such a communication model, although simple, is inefficient because wireless propagation is not point-to-point in nature. It is more …
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Code design and analysis for multiple access communications
… schemes is that one can find sets of signals (codes) which can be combined together to form a composite signal; on reception, the individual signals in the set can each be recovered from the composite signal. For the CCMA scheme, the isolation between users is based on the code structure; for …
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Information theory of transmit diversity and space-time code design
… loss. Then we derive performance criterion for codes concatenated to the simple diversity technique. After that, we propose some high-rate space time codes which use multiple antennas in order to increase the rate rather than improving communication reliability. At the end we note how some …
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VLSI Architectures for Iterative Channel Decoders
Decoder architectures for LDPC codes introduce another complexity dimension related to the on-chip interconnect bottleneck of LDPC decoders. A new parameterized-core-based design methodology targeted for scalable and programmable LDPC decoders is proposed. The methodology solves the problems of …
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Extensible neural network software : applications in gene expression analysis
… network software package I created. GAINN was designed to be an extensible tool for both researches and students to use in neural network explorations. Several algorithms and features were implemented and tested on classification of various gene expression array data sets. The code design and …
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A Framework for Spectrally Efficient Noncoherent Communication
… of this thesis is to provide a framework for designing spectrally efficient noncoherent communication systems, analogous to the wealth of signal and code design techniques available for coherent communication. The main results are as follows: (1) A ""signal space"" criterion is developed for …
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Revealing the Simple Complexity
… principles through generative and interactive design.The exploration consists of four main stages of studies and manifestations. [1] Fundamental studies, delves into the mathematical detail and principle of traditional Persian patterns, looking at the underlaying rules of the construction and …
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Program Synthesis for Quantum Applications
… a neuro-symbolic quantum error correction (QEC) code synthesisframework that leverages heuristic functions generated by large language models (LLMs) tooptimize QEC code design. Together, these frameworks advance quantum program synthesis byimproving efficiency, reducing errors, and enhancing …
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Coding for emerging archival storage media
… of research and development. Error Correcting Codes and coding schemes must be designed for these emerging media’s constraints and noise characteristics, similar to the large body of work on coding for communication applications. Unlike communication standards, digital data storage, primarily …
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Software Renovation: An In-house Perspective with Case Studies
<p>Programs are not only a tool for the simplification or automation of everyday tasks; they also represent a significant time and money investment. A program's life may span years, or even decades, which creates certain risks for the stakeholders involved. To mitigate the risks associated with …
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Quantum Error Correction for Physically Inspired Error Models
… through the use of quantum error correcting codes. We will then focus on trapped ion systems, although many of the errors we consider also occur in other hardware implementations. </p><p>The majority of this dissertation is concerned with taking advantage of the structure found in …
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Unequal Error Protection Raptor Codes
We design Unequal Error Protection (UEP) Raptor codes with the UEP property provided by the precode part of Raptor codes which is usually a Low Density Parity Check (LDPC) code. Existing UEP Raptor codes apply the UEP property on the Luby transform (LT) code part of Raptor codes. This approach …
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Culturally aligned security in banking. A system for rural banking in Ghana.
… processes used to deliver banking services. To design a protection system, a number of rural banks were visited. This was to understand the environment, regulatory regimes and the structure and banking processes of the industry and banks. Systemic vulnerabilities within the industry which could …
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KMC modeling of helium bubble clustering and evolution in BCC iron
… primary goals: first, to develop a flexible KMC code capable of simulating the desired models, and second, to explore the modeling assumptions made in the previous KMC simulations in an attempt to come closer to experimental results. Several different models for cluster interaction range, …
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The strength of glulam beams with holes - A probabilistic fracture mechanics method and experimental tests
… discussed. The methods considered comprise both code strength design methods and more general methods for strength analysis. New strength tests of beams with quadratic holes with rounded corners are presented. The test programme included investigations of four important design para\-meters: …
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Performance of Steel Fiber Reinforced and Conventionally Reinforced Post-Tensioned Flat Plates
… all specimens were considerably higher than the design factored load of 197 psf. Steel fiber was able to replace conventional reinforcement and the performance of the specimens with steel fibers was satisfactory, and comparable to their corresponding conventional reinforced specimens at service …
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Energy aware network coding in wireless networks
… is one of the most important considerations in designing reliable low-power wireless communication networks. We focus on the problem of energy aware network coding. In particular, we investigate practical energy efficient network code design for wireless body area networks (WBAN). We first …
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On Numerical Error Estimation for the Finite-Volume Method with an Application to Computational Fluid Dynamics
… As CFD is increasingly used in engineering design and analysis, it is imperative that CFD practitioners be able to accurately quantify discretization errors to minimize risk and improve the performance of engineering systems. In this work, improvements are made to the accuracy and efficiency …
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SEITRON SEIsmic elecTRONic handbook : a knowledge based systems approach to structural steel design
The Canadian steel code, CAN3-S16.1-M89, has become increasingly complex with the introduction of new seismic provisions, Clause 27, in its 1989 edition of the Handbook of Steel Design. The implementation of these provisions is meant to provide the necessary ductility and redundancy requirements …
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Seismic stability of buckling-restrained braced frames
… that are based on elastic stability, current code design provisions do not address seismic stability rigorously and do not consider the particular inelastic response of a system. As can occur in multistory structures, even for ductile systems, BRBFs tend to develop drift concentration that is …
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