Index Catalog // ScholarsArchive@OSU

Systematic Codes for Correcting Deletion/Insertion of One Zero in Each and Every Bucket of Zeros

Creator:: Vu, Hoang
Abstract:: In this thesis, we propose a systematic code for correcting t = 1 insertion/deletion errors of the character ”0” that can occur between any two consecutive 1’s in a binary string. The code requires balanced input strings, where each word of length n contains ⌈n/2⌉ 0’s and ⌊n/2⌋ 1’s. This...
Resource Type:: Masters Thesis

Smart parking lot with just in time shuttle (SPLITS)

Creator:: Venkatappa, Harish
Abstract:: The purpose of this project is to study the benefit at large parking lots having shuttle busses by providing a system that dynamically routes a shuttle. The shuttle route will be set by the placement of the travelers returning from the terminal. A parking space is assigned to the incoming...
Resource Type:: Capstone Project

Secrecy of massive MIMO systems under antenna failure

Creator:: Assiri, Mohammad
Abstract:: As the fifth generation of mobile communication systems (5G) is being deployed, massive multiple-input multiple-output (MIMO) serves as one of its enabling technologies where reliable and ultra low latency communications are achieved while being power and spectrum efficient. This thesis studies the security aspect of massive MIMO system from the...
Resource Type:: Dissertation

A router architecture for QoS capable clusters

Creator:: Subramanian, Madhusudhanan Anantha
Abstract:: Interconnection Networks have been used as a high performance communication fabric in parallel processor architectures. Parallel processors built using off-the-shelf components, called clusters, are becoming increasingly attractive because of their high performance to cost ratio over parallel computers. Many web servers and database servers make efficient use of clustering from...
Resource Type:: Capstone Project

Separabilities for a new class of gray codes

Creator:: Park, Jung Pil
Resource Type:: Capstone Project

Search engine for a book library section, Word/phrase search engine for a section of the Philosophy department library

Creator:: Ramachandran, Shalini
Abstract:: 'Search engine for a book library section' was developed for the Philosophy department. This Search Engine is a user interface application used for the purpose of searching for words or phrases as the need may be from a directory of books in a section of the Philosophy department library. The...
Resource Type:: Capstone Project

Recursive construction for error correcting constant weight codes

Creator:: Ramanathan, Gowri
Abstract:: In this project we have designed a new construction method for t error correcting constant weight codes. This method is an improvement over the existing codes in terms of information rate. The construction method is recursive as it is based on the observation that 2t error correcting code can be...
Resource Type:: Capstone Project

Digital library software architectures : TeachEngineering case study

Creator:: Suryadevara, Venkata Satya Gokul
Abstract:: Digital libraries are digitally accessible, organized collections of knowledge. Although under this broad definition any digitally accessible data set might be considered a digital library, the term is generally reserved for collections whose structures are carefully documented and made available in the form of so-called metadata. There is no specific...
Resource Type:: Capstone Project

WebSiteGen2 : web-based database application generator 2

Creator:: Jung, Seikyung
Abstract:: In this project we implemented WebSiteGen2, which is a software tool that automatically generates HTML pages and server-side scripts for a Web-based database application. A user of WebSiteGen2 can select the tables and columns for which HTML pages and server-side scripts are generated. The menus for this selection process are...
Resource Type:: Capstone Project

Applying use-cases to design and verify a database application

Creator:: Nath, Rashmi
Abstract:: In a typical method of database design, ER diagrams are used to represent the conceptual schema of the database. Use-cases are now widely used to capture requirements in designing the basic architecture of an object-oriented system. Use-cases are highly effective in designing forms required for data insertion, retrieval, update, and...
Resource Type:: Capstone Project

Properties and communication algorithms for k-ary n-cube interconnection networks

Creator:: Ashir, Yaagoub A.
Abstract:: The k-ary n-cube structure is presented in this paper for interconnecting a network of microcomputers in parallel and distributed environments. Machines based on the k-ary n-cube topology have been advocated as ideal parallel architectures for their powerful interconnecting features. In this paper, we examine the k-ary n-cube from the graph...
Resource Type:: Capstone Project

Implementation of a prototype information resources management system using ACCELL 4GL and its comparison with an INFORMIX 4GL implementation

Creator:: Su, Dungywe
Abstract:: In this report, we describe an implementation of a prototype information resources management system for the synthesis and integration project of the forest response program using a 4GL application development system ACCELL. Our system is called Prototype Virtual Data Management System (PVDMS). ACCELL is a software package that combines a...
Resource Type:: Capstone Project

Object-Oriented simulation model of a Digital Switching System

Creator:: Krishnapura, SheshaPrasad G.
Abstract:: In this project we have implemented an Object-Oriented simulation model of a Digital Switching System. We analyzed various software components of a Digital Switching System. The call processing module is the principal component and the most complex of all. The features of Object-Oriented principles were investigated and found to fit...
Resource Type:: Capstone Project

Deletions and Insertions of the Symbol 0 and Asymmetric/Unidirectional Error Control Codes for the L₁ Metric

Creator:: Alqwaifly, Nawaf
Abstract:: This work gives some theory and efficient design of binary block codes capable of controlling the deletions of the symbol “0” (referred to as 0-deletions) and/or the insertions of the symbol “0” (referred to as 0-insertions). This problem of controlling 0-deletions and/or 0-insertions (referred to as symmetric 0-errors) is shown...
Resource Type:: Dissertation

A Study of Oscillating Water Column Wave Energy Converters Array Configurations Based on Simulation

Creator:: Ding, Siyuan
Abstract:: Wave energy is a potentially important renewable clean source of energy that can help solve the energy demand throughout the world. A great deal of research has been conducted in the last few decades and it is now reaching the point of full implementation. In order to compete with other...
Resource Type:: Capstone Project

Routerless Network-on-chip

Creator:: Alazemi, Fawaz
Abstract:: Traditional bus-based interconnects are simple and easy to implement, but the scalability is greatly limited. While router-based networks-on-chip (NoCs) offer superior scalability, they also incur significant power and area overhead due to complex router structures. In this thesis, a new class of on-chip networks, referred to as Routerless (RL) NoCs,...
Resource Type:: Dissertation

PHP cloud computing platform

Creator:: Kalyan, Arvind
Abstract:: Motivation for cloud computing applications are listed. A Cloud Computing framework – MapReduce – is implemented. A document indexing application is built as an example MapReduce application on this framework. Focus is given to ease of job submission and scalability of the underlying network.
Resource Type:: Capstone Project

Interconnection Networks Based on Gaussian and Eisenstein-Jacobi Integers

Creator:: Shamaei, Arash
Abstract:: Quotient rings of Gaussian and Eisenstein-Jacobi(EJ) integers can be deployed to construct interconnection networks with good topological properties. In this thesis, we propose deadlock-free deterministic and partially adaptive routing algorithms for hexagonal networks, one special class of EJ networks. Then we discuss higher dimensional Gaussian networks as an alternative to...
Resource Type:: Dissertation

On edge disjoint Hamiltonian cycles in torus and Gaussian networks

Creator:: Alazemi, Fawaz M.
Abstract:: Many algorithms in parallel systems can be easily solved if we can generate a Hamiltonian cycle on the underly network. Finding Hamiltonian cycle is a well known NP-complete problem. For specific instances of regular graphs, such as Torus and Gaussian network, one can easily find Hamiltonian cycles. In this thesis,...
Resource Type:: Masters Thesis

Resource allocation optimization in large scale distributed systems

Creator:: Duong-Ba, Thuan Hong
Abstract:: We studied the problem of resource allocation in large scale distributed applications such as Online Social Networks (OSN) and Cloud Computing. In such settings, resource allocation schemes need to efficient as well as adaptive to the time-varying environments. The abstract resource allocation problem concerns with how to optimally use resources...
Resource Type:: Dissertation

One-to-many node disjoint paths routing in generalized hypercube, dense Gaussian, and hexagonal mesh networks

Creator:: Alsaleh, Omar I.
Abstract:: Routing from a single source node to multiple destination nodes using node disjoint paths (NDP) has many important applications in parallel systems. For example, if a source node wants to send distinct messages to distinct destination nodes, then the one-to-many NDP routing is useful. Unlike parallel systems with shared-memory, each...
Resource Type:: Dissertation

On asymmetric error-correcting codes

Creator:: Cunningham, Robert Stephen
Abstract:: Historically, coding theory has dealt with binary codes correcting symmetric errors, in which errors are made in both 0 and 1 bits with equal likelihood. Within the past ten years, some study has been made of asymmetric codes, under the assumption that the only errors which occur are errors in...
Resource Type:: Masters Thesis

Unidirectional error correcting/detecting codes

Creator:: Lin, Der Jei
Abstract:: An extensive theory of symmetric error control coding has been developed in the last few decades. The recently developed VLSI circuits, ROM, and RAM memories have given an impetus to the extension of error control coding to include asymmetric and unidirectional types of error control. The maximal numbers of unidirectional...
Resource Type:: Dissertation

Optimal unidirectional error-detecting codes

Creator:: Converse, George A.
Abstract:: Various problems related to systematic error-detecting and error-correcting unidirectional codes are discussed. Systematic codes with r check bits are the main topic of the thesis. Classes of codes are presented which work for specific numbers of information bits and then a class of codes is given which detects the same...
Resource Type:: Masters Thesis

Design of totally self-checking checker for t-unidirectional error detecting codes

Creator:: Malhotra, Sanjeev
Abstract:: The use of Totally Self-Checking Checkers in the design of highly reliable systems has significant advantages. It allows errors to be detected upon occurance without testing whether the error is caused by a permanent or an intermittent fault. The TSC circuit provides an error indication whenever the input is not...
Resource Type:: Masters Thesis

New bounds and constructions for error control codes

Creator:: Al-Darwish, Nasir Ali
Abstract:: The bulk of the theory on error control codes has been developed under the fault assumption of random (symmetric) errors, where 1 → 0 and 0 → 1 errors are equally likely. In the past few years, several applications have emerged in which the observed errors are highly asymmetric. This...
Resource Type:: Dissertation

Processor allocation & communication in networks

Creator:: Dhelaan, Abdullah
Abstract:: We will describe two known strategies for static processor allocation in an n-cube multiprocessor, namely the buddy system strategy and the gray code strategy, and then propose a new strategy that outperforms the first by (n-k+1) and the second by (n-k+1)/2 in cube recognition. Furthermore, our strategy is suitable for...
Resource Type:: Dissertation

Balanced codes

Creator:: Al-Bassam, Sulaiman
Abstract:: Balanced codes, in which each codeword contains equally many 1's and 0's, are useful in such applications as in optical transmission and optical recording. When balanced codes are used, the same number of 1's and 0's pass through the channel after the transmission of every word, so the channel is...
Resource Type:: Dissertation

Design and analysis of robust algorithms for fault tolerant computing

Creator:: Jang, Jai Eun
Resource Type:: Dissertation

A token caching waiting-matching unit for tagged-token dataflow computers

Creator:: Traylor, Roger L.
Abstract:: Computers using the tagged-token dataflow model are among the best candidates for delivering extremely high levels of performance required in the future. Instruction scheduling in these computers is determined by associatively matching data-bearing tokens in a Waiting-Matching Unit (W-M unit). At the W-M unit, incoming tokens with matching contexts are...
Resource Type:: Masters Thesis

Fault-tolerant communications in parallel systems

Creator:: Park, Seungjin
Resource Type:: Dissertation

Embeddings in parallel systems

Creator:: Kwon, Younggeun
Resource Type:: Dissertation

Fault-tolerant ring embedding in De Bruijn networks

Creator:: Rowley, Robert A.
Resource Type:: Dissertation

Design of some new efficient balanced codes

Creator:: Tallini, Luca
Resource Type:: Masters Thesis

Topics in toroidal interconnection networks

Creator:: Broeg, Robert Richard
Resource Type:: Dissertation

Resource placement, data rearrangement, and Hamiltonian cycles in torus networks

Creator:: Bae, Myung Mun
Abstract:: Many parallel machines, both commercial and experimental, have been/are being designed with toroidal interconnection networks. For a given number of nodes, the torus has a relatively larger diameter, but better cost/performance tradeoffs, such as higher channel bandwidth, and lower node degree, when compared to the hypercube. Thus, the torus is...
Resource Type:: Dissertation

Design of efficient constant weight codes

Creator:: Tallini, Luca
Abstract:: In a constant weight code, each code word contains a constant number of 1's. If this number is equal to half the length of the code word then the code is called balanced. These codes find many applications in computer and communication systems noise reduction in VLSI systems, fault masking...
Resource Type:: Dissertation

On resource placements and fault-tolerant broadcasting in toroidal networks

Creator:: AlMohammad, Bader Fahed AlBedaiwi
Abstract:: Parallel computers are classified into: Multiprocessors, and multicomputers. A multiprocessor system usually has a shared memory through which its processors can communicate. On the other hand, the processors of a multicomputer system communicate by message passing through an interconnection network. A widely used class of interconnection networks is the toroidal...
Resource Type:: Dissertation

Content-based multicast in ad hoc networks

Creator:: Zhou, Hu
Abstract:: An important objective of tactical ad hoc networks is to deliver threat information from sensors to shooters efficiently and quickly. The information sent to a particular shooter should contain warnings about threats that are within some distance and/or within some time of the shooter's current location. In this thesis we...
Resource Type:: Masters Thesis

Concurrent error detection

Creator:: Gorshe, Steven Scott
Abstract:: Concurrent error detection (CED) is the detection of errors or faults in a circuit or data path concurrent with normal operation of that circuit. The general approach for CED is to calculate a check symbol for the inputs to the circuit under operation, predict the check symbol that will result...
Resource Type:: Dissertation

Load testing of loan search : project report

Creator:: Pai, Jiten
Abstract:: "The purpose of this project is to load test, and fine tune the loan search functionality of the Broker Blueprint web application, an innovative Business-to-Business (B2B) online service aiding mortgage lenders and brokers in today's highly competitive mortgage market. Broker Blueprint enables brokers to search for suitable mortgage loans across...
Resource Type:: Capstone Project

Java based GUI editor for SAML assertion manipulation

Creator:: Anand, Siddharth
Abstract:: "SAML Edit® is a PC-based tool for creation and manipulation of SAML Assertion text files (as defined by OASIS). The tool allows its user to modify the data/information contained in the underlying file. As security information between entities is exchanged using such SAML Assertion text files, the ability to manipulate...
Resource Type:: Capstone Project

Signed Digit Representation of Numbers

Creator:: Venkatachalapathy, Savithri
Abstract:: "A non-redundant number system has the digit set limited ranging from 0 to radix -1. While the Signed digit numbers have digit set consisting of more than radix r values. Hence it is also called redundant number system. Furthermore, the advantage of redundant number system lies in its application for...
Resource Type:: Capstone Project

Topology independent transmission scheduling algorithms in mobile ad hoc networks

Creator:: Youn, Jong-Hoon
Abstract:: Due to the rapid growth of wireless technology, there has been a growing interest in the capabilities of ad hoc networks connecting mobile phones, PDAs and laptop computers. The distributed and self-configurable capabilities of ad hoc networks make them very attractive for some applications such as tactical communication for military,...
Resource Type:: Dissertation

Efficient key management protocols for mobile ad hoc networks

Creator:: Erdem, Özkan M.
Abstract:: In this thesis, novel solutions are proposed for key management issues in mobile ad hoc networks. Presented Hierarchical Binary Tree (HBT) based model is distributed, self-organizing, scalable and does not employ online key distribution authority or group manager. Two different group authentication and group key establishment protocols are proposed for...
Resource Type:: Dissertation

Some contributions to asymmetric error control codes

Creator:: Elmougy, Samir
Abstract:: In some practical systems, most of the errors are of 1 → 0 type and 0 → 1 errors occur very rarely. In this thesis, first, the capacity of the asymmetric channel is derived. The capacity of the binary symmetric channel (BSC) and the Z-channel can be derived from this...
Resource Type:: Dissertation

Error control techniques for the Z-channel

Creator:: Oprisan, Paul
Abstract:: The asymmetric nature of bit errors in several practical applications provides grounds for efficient error control techniques. The Z-channel model and special classes of codes like asymmetric error detection codes and t-asymmetric error correcting/d-asymmetric error detecting codes can be successfully used in ARQ protocols for feedback error control enhancement. This...
Resource Type:: Dissertation

On shortest disjoint paths and Hamiltonian cycles in some interconnection networks

Creator:: Hussain, Zaid
Abstract:: Parallel processors are classified into two classes: shared-memory multiprocessors and distributed- memory multiprocessors. In the shared-memory system, processors communicate through a common memory unit. However, in the distributed multiprocessor system, each processor has its own memory unit and the communications among the processors are performed through an interconnection network. Thus,...
Resource Type:: Dissertation

Network coding for sensor networks, distributed storage and video streaming

Creator:: Nguyen, Kien Trung
Abstract:: The classical store-and-forward routing has and will continue to be the most important routing architecture in many modern packet-switched communication networks. In a packet-switched network, data is sent in the form of discrete packets that traverse hop-by-hop from a source to a destination. At each intermediate hop, the router stores...
Resource Type:: Dissertation

System reliability through Algorithm-Based Fault tolerance and reconfiguration

Creator:: Ramanathan, Gowri
Resource Type:: Dissertation

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