Global Positioning Satellite (GPS) Simulator for Re-Entry Body Application

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 36676
Amount: $69,977.00
Phase: Phase I
Program: SBIR
Awards Year: 1997
Solitcitation Year: N/A
Solitcitation Topic Code: N/A
Solitcitation Number: N/A
Small Business Information
Xontech, Inc.
6862 Hayvenhurst Avenue, Van Nuys, CA, 91406
Duns: N/A
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Kurt Golden
 (310) 649-3477
Business Contact
Phone: () -
Research Institution
The development of a multi-channel GPS satellite signal simulator incorporating hypersonic re-entry effects is being proposed. The Phase 1 effort will focus on feasibility issues, Phase 2 hardware design issues, and a limited laboratory demonstrate of the concept using existing hardware. A GPS receiver on a hypersonic re-entry body is effected by the high dynamic environment and the plasma sheathing of the antennas. A GPS receiver in the loop simulator therefore has to simulate the re-entry dynamics, emulate reentry antenna pattern distortion effect, antenna impedance changes and increases in antenna noise temperature. The RIF signal generator, GPS code generator, carrier/code alignment have to follow the signal effects induced by the high dynamics of the re-entry trajectory and satellite orbital motion. The laboratory demonstration will test an actual GPS receiver in a simulated re-entry environment.

* information listed above is at the time of submission.

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