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On the Optimization of Signal Constellations for Satellite Channels

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3 Author(s)
Enzo Alberto Candreva ; DEIS/ARCES - University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy, e-mail: ; Giovanni E. Corazza ; Alessandro Vanelli-Coralli

A gradient method is used to obtain the signal constellation that yields to the minimum error probability over a channel affected by non-linear amplification and additive noise. The results show the dominance of phase shift keying when the amplifier is driven near saturation, and the better performance given by amplitude-phase shift keying if the amplifier is operated in its linear region.

Published in:

Satellite and Space Communications, 2007. IWSSC '07. International Workshop on

Date of Conference:

13-14 Sept. 2007