Indoor Navigation Test Results using an Integrated GPS/TOA/Inertial Navigation System

Abstract

NAVSYS has developed a networked radionavigation approach for operating in urban environments where GPS signals can be significantly attenuated or completely blocked. The networked radionavigation approach is based on a Software Defined Radio (SDR) testbed, which combines Global Positioning System (GPS), wireless communications, and Time-of-Arrival (TOA) "Pseudolite" technology to provide location indoors for applications such as first responders, warfighters operating in urban terrain, and location-based services. This system has been integrated with a low-cost Micro-Electro-Mechanical System (MEMS) Inertial Measurement Unit (IMU) to provide an integrated GPS/TOA/inertial man-portable navigation system. The system architecture and test results showing its performance for indoor navigation are presented in this paper.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2006
Accession Number
ADA458227

Entities

People

  • Alison Brown
  • Yan Lu

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Artificial Satellites
  • Code Division Multiple Access
  • Computer Programming
  • Computers
  • Engineering
  • Environment
  • First Responders
  • Global Positioning Systems
  • Inertial Navigation
  • Microelectromechanical Systems
  • Military Operations
  • Multiple Access
  • Navigation
  • Operating Systems
  • Software Defined Radio
  • Time Division Multiple Access
  • Transmitters

Fields of Study

  • Computer science
  • Engineering

Readers

  • Computer Networking
  • Positioning, Navigation, and Timing (PNT) Technology.

Technology Areas

  • Microelectronics
  • Microelectronics - Microelectromechanical Systems
  • Space