Digital Communications: Satellite/earth Station Engineering

additive amplifier amplitude antenna applications approximately assume bandlimited bandwidth baseband binary block BPSK burst capacity carrier channel Chapter circuit clock codeword coherent communications comparator components consider converter correlation corresponding decoder degradation delay demodulator density derivation described diagram difference differential earth station effect efficiency encoder equal equation equivalent error error probability example Feher Figure filter frame frequency function gain given IEEE increase input instant INTELSAT interference jitter limited linear Mb/s measured method modem modulated multiplier noise Note Nyquist obtained operation output performance period permission phase position presented probability Problem provides pulse QPSK ratio receiver recovery reference represents response sampling satellite systems sequence shift shown in Fig signal specified spectral spectrum stream symbol synchronization TDMA techniques term terrestrial theorem threshold traffic transmission transmitted transponder zero