Space-Time Coding for Aerronautical Telemetry: Part 2 -- Experimental Results

Experiments involving side-by-side comparisons of traditional two-antenna transmissions and space-time coded (STC) transmissions involving two transmit antennas confirm theoretical predictions that space time coding is effective in removing signal dropouts caused by the two-antenna problem. The expe...

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Bibliographic Details
Main Authors: Temple, Kip, Rice, Michael
Format: Report
Language:English
Subjects:
ANTENNA NULLS
CO-CHANNEL INTERFERENCE
CODING
INTERFERENCE
SPACE TIME CODING
TELEMETER SYSTEMS
TELEMETERING ANTENNAS
TELEMETERING TRANSMITTERS
Telemetry
TEST ARTICLE ANTENNAS
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Summary:Experiments involving side-by-side comparisons of traditional two-antenna transmissions and space-time coded (STC) transmissions involving two transmit antennas confirm theoretical predictions that space time coding is effective in removing signal dropouts caused by the two-antenna problem. The experiments involved real transmitters on an airborne platform and a prototype demodulator operating at the Air Force Flight Test Center. The theory is confirmed both by the behaviors of the received signal powers from the two signaling approaches as well as the improved link availability based on the bit error rate performance. Prepared in collaboration with Brigham Young University. Sponsored in part by PEO STRI.