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Modulation techniques for power and spectrally efficient SATCOM systems

Research on modulation/demodulation (modem) techniques which leads to improved power and spectrally efficient digital satellite communications systems is proposed. A new family of digital modems, which enable satellite earth station and satellite transponder operation with fully saturated high power amplifiers (HPA) in an adjacent channel environment, having an optimized P(e) = f(E(sub b)/N(sub o)) performance will be introduced and analyzed.