## Digital transmission of information |

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### Contents

Introduction | 1 |

Baseband and Passband Modulation | 20 |

Baseband and Passband Demodulation | 78 |

Copyright | |

12 other sections not shown

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### Common terms and phrases

alphabet amplitude bandwidth baseband binary bit error rate block code blocklength BPSK BPSK waveform carrier code for data codeword communication system complex baseband components compute convolutional code coset data bit data compaction data compression data stream data symbols data translation decoder defined digital communication encoder energy equal equation estimator euclidean distance example feedback Figure finite Fourier transform frequency gaussian noise given hardlimiter input integral intersymbol interference interval jammer lattice linear matched filter matrix minimum distance modulation multiaccess node noncoherent demodulator nonlinearity Nyquist pulse orthogonal signaling passband signal passband waveform paths phase polynomial precoder prefix code probability density function probability of error pulse s(t QPSK quantizer received signal Reed-Solomon code samples sequence shown in Fig signal constellation signal-to-noise ratio source output source symbol spectrum symbol error synchronization Theorem tion transmitted trellis code vector Viterbi algorithm waveform white gaussian noise zero