Award Information
Agency: National Science Foundation
Branch: N/A
Contract: 0109570
Agency Tracking Number: 0109570
Amount: $99,994.00
Phase: Phase I
Program: SBIR
Awards Year: 2001
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
8130 Boone Blvd., Vienna, VA, 22182
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 James Halsey
 (703) 448-1116
Business Contact
 Paul Techau
Title: Vice President
Phone: (703) 448-1116
Email: pmt@islinc.com
Research Institution
This Small Business Innovation Research (SBIR) Phase I project will explore a low-frequency positioning system for locating and tracking people inside of buildings. Phase I will establish system feasibility by showing that lower frequencies will not be subject to the guided-wave propagation modes caused by typical indoor structures of hallways, partition walls, and floors. These guided-wave modes can cause unacceptably large errors in indoor positioning systems. The concept will be validated by a combination of electromagnetic modeling and experiments. It is expected that a phase-only, low-frequency approach will produce high accuracy and good penetration into buildings with modest bandwidth requirements and minimum problems for licensing approval. The principal commercial application is in the firefighter market. The system will monitor not only a firefighter's position but also vital biometric data, e.g., pulse, respiration, temperature, air tank level. Further, this system will be portable, obviating the need for a supporting infrastructure. It can also be used for tracking prison guards and rescuers entering a collapsed building after an earthquake or other natural disasters. Hospitals could use this technology to track critical mobile equipment or personnel.

* Information listed above is at the time of submission. *

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