Title page for ETD etd-04022004-182031


Type of Document Master's Thesis
Author Mishra, Dhananjay
Author's Email Address dmishra@vt.edu
URN etd-04022004-182031
Title Integration of Graphical User Interface and Data Visualization Tools in a Problem Solving Environment for Wireless System Design
Degree Master of Science
Department Computer Science
Advisory Committee
Advisor Name Title
Shaffer, Clifford A. Committee Chair
Ramakrishnan, Naren Committee Member
Watson, Layne T. Committee Member
Keywords
  • Wireless System Design
  • Problem Solving Environment
  • Visualization
Date of Defense 2004-04-02
Availability unrestricted
Abstract
This thesis describes user interface and visualization components in the problem solving

environment "Site-Specific System Simulator for Wireless System Design" (S4W) developed

by CS and ECE faculty and students at Virginia Tech. S4W integrates visualization and

computational tools with a high level user interface. The objective of this PSE is to improve

the ability of wireless design engineers to design an indoor wireless system through the aid of

various simulation and visualization components. S4W provides engineers with the facility

of thinking in terms of the overall task of designing the system for optimal performance.

They need not to worry about computation, data-management and connectivity issues.

The choice of method for interaction between service logic within a PSE and its user

is always a challenging issue. The selection of user interaction channel is mostly dictated

by the characteristics of the problem domain. For S4W, we chose to build a graphical

user interface as human interaction interface, which was connected to other components

via a high speed Local Area Network (LAN). The other key form of user interaction in

a PSE is the visual representations of the abstract data results of simulations, perceived

as user interface for data. The Complex nature of data sets in the domain of wireless

simulations calls for a customized set of visualization tools. To address the specific needs

of visualizations for S4W, ad hoc visualization tools were developed and integrated into the

graphical user interface. A comparison of the integrated PSE and an earlier collection of

unintegrated tools and scripts is presented.

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