Worcester Polytechnic Institute Electronic Theses and Dissertations Collection

Title page for ETD etd-040510-123325


Document Typedissertation
Author NameAmendolare, Vincent T.
Email Address vamend at gmail.com
URNetd-040510-123325
TitleTransactional Array Reconciliation Tomography for Precision Indoor Location
DegreePhD
DepartmentElectrical & Computer Engineering
Advisors
  • David Cyganski, Advisor
  • R. James Duckworth, Committee Member
  • Arthur C. Heinricher, Committee Member
  • Keywords
  • indoor location
  • synchronization
  • time of arrival
  • Date of Presentation/Defense2010-04-01
    Availability unrestricted

    Abstract

    This dissertation was conducted as part of the efforts related to WPI's Precision Personnel Location (PPL) project, the purpose of which is to locate emergency personnel in hazardous indoor environments using radio location techniques. The current PPL system prototype uses a radio transmitter worn by the personnel, indoors, and receivers on reference units, outdoors. This dissertation proposes a new system architecture with bidirectional radio transmissions to replace the current unidirectional system architecture. This allows the development of a synchronization scheme that can extract additional Time of Arrival (TOA) information for estimating the location of personnel. This dissertation also describes an extension of the multi-signal fusion technique previously used that incorporates this TOA information. At the cost of a more complicated mobile unit design, resultant benefits of this approach include rejection of signal reflectors as solutions, improved accuracy with limited reference unit geometries, improved noise rejection and significant computation reduction. In this dissertation the mathematical underpinnings of this approach are presented, a performance analysis is developed and the results are evaluated in the context of experimental data.

    Files
  • vamendolare.pdf

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