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Proceedings Paper

Simulation And Analysis Of An Intermediate Frequency (IF) Distribution System With Applications For Space Station
Author(s): Thomas A. Costello; C. Maite Brandt
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Paper Abstract

Simulation and analysis results are described for a wideband fiber optic intermediate frequency distribution channel for a frequency division multiple access (FDMA) system where antenna equipment is remotely located from the signal processing equipment. The fiber optic distribution channel accommodates multiple signals received from a single antenna with differing power levels. Performance parameters addressed are intermodulation degradations, laser noise, and adjacent channel interference, as they impact the over all system design. Simulation results showed that the laser diode modulation level can be allowed to reach 100% without considerable degradation. The laser noise must be controlled as to provide a noise floor of less than -90 dBW/Hz. The fiber optic link increases the degradation due to power imbalance yet diminishes the effects of the transmit amplifier nonlinearity. Overall, optimal operation conditions can be found to yield a degradation level of about .1 dB caused by the fiber optic link.

Paper Details

Date Published: 9 February 1989
PDF: 8 pages
Proc. SPIE 0989, Fiber Optic Systems for Mobile Platforms II, (9 February 1989); doi: 10.1117/12.959851
Show Author Affiliations
Thomas A. Costello, NASA/Johnson Space Center (United States)
C. Maite Brandt, Lockheed Engineering and Sciences Company (United States)

Published in SPIE Proceedings Vol. 0989:
Fiber Optic Systems for Mobile Platforms II
Norris E. Lewis; Emery L. Moore, Editor(s)

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