Digital Transmission Theory

amplitude assume average bandpass bandwidth bandwidth efficiency baseband binary bit error probability block code block diagram carrier channel Chapter code word coherent demodulation computation Consider constraint length convergence convolutional codes corresponding CPSK cyclic code decoding defined denotes detection differentially encoded discrete dmin encoder equalizer equivalent erfc evaluation Example Figure finite Fourier transform frequency given Hamming code IEEE Transactions impulse response Information Theory input intersymbol interference interval linear matrix memoryless minimization minimum distance modulation index modulation schemes nonlinear obtained optimum orthogonal output parameters path performance phase polynomial problem pulse QPSK received sequence received signal receiving filter result S₁ samples Section shown in Fig signal set spectrum symbol error probability theorem Transactions on Communications transfer function transmission trellis values vector Viterbi algorithm Volterra Volterra series waveforms zero Σ Σ