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System quality factors for LPI communications

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2 Author(s)
Gutman, L.L. ; US Air Force Res. & Dev. Center, Wright Patterson AFB, OH, USA ; Prescott, G.E.

Quality factors are developed for low-probability-intercept (LPI) communication systems in order to provide a quantitative technique that allows the system engineer to evaluate LPI effectiveness in the presence of jammers and intercept receivers. LPI quality factors are derived from the system link equations, which describe the signal power gains and losses as a function of system link parameters. Quality factors for the essential components of the LPI system that provide some advantage to the cooperative transmitter and receiver over the jammer and intercept receiver are described. These include quality factors for the antennas, type of modulation, atmospheric propagation conditions, and interference rejection capability.<>

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:4 ,  Issue: 12 )