Cesar A. Filippi

Abstract: This report describes a set of receiver transfer characteristic (RTC) algorithms developed at NTIA for the analytical assessment of mutual interference effects in satellite communication services. The RTC algorithms convert the input carrier-to-interference power ratio (C/I) and modulation specifications of the desired (C) and interferer (I) signals into an output baseband performance degradation. The RTC algorithms also compute a ellthreshold margin for a given output baseband performance requirement. The modulation types and communication services include: (1) companded single-sideband, amplitude-modulated, multichannel telephony,· (2) regular or companded, frequency-modulated, multichannel telephony, (3) frequency modulated analog television, (4) digital coherent multiple-phase-shift keying, (5) single-channel-per-carrier with digital coherent multiple-phase-shift keying, and (6) single-channel-per-carrier with frequency-modulated analog voice.

Keywords: Baseband Performance Degradation; Fixed-Satellite Service Communications; Interference Analysis Algorithms; Receiver Transfer Characteristics

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