Abstract
This chapter presents topics in Simulink incorporating convolutional error control coding in an additive white Gaussian noise (AWGN) and fading channel. Specific topics include: bit error rate (BER) performance of convolutional coding and binary Phase‐Shift Keying (BPSK) in AWGN; BER performance of convolutional coding and BPSK in AWGN and Rayleigh fading with interleaving; and BER performance of convolutional coding, BPSK and Alamouti space‐time block coding (STBC) in Rayleigh fading with interleaving. The BPSK demodulator is followed by a maximum likelihood decoder using the Viterbi algorithm (VA) where hard‐decision decoding is selected. Simulink implements the convolutional encoder and decoder by means of a trellis structure for the generator polynomial with a specified constraint length and feedback taps given in octal. The theoretical performance for hard decision decoding of a convolutional code with a Viterbi decoder is available for comparison with simulation results.
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