... G Maral and M Bousquet, Satellite Communication Systems, John Wiley & Sons, New York, NY, USA, 1996 [2] M Ibnkahla, Q M Rahman, A I Sulyman, H A Al-Asady, J Yuan, and A Safwat, “High-speed satellite ... nonlinear gain function g (A) is commonly referred to as the AM/AM characteristic and the nonlinear phase function Φ (A) is called the AM/PM characteristic These are expressed as g (A) = a A , + a A2 ... regenerative payloads [2, 28] with on-board processing This means that the baseband transmitted signal is available on-board, via demodulation, and hence uplink and downlink can be treated separately...