Ber performance of non-sequential turbo product codes over wireless channels

This work evaluates the bit error rate (BER) performance of various two-dimensional turbo product codes (TPCs). The turbo decoder is implemented using hard-input hard-output data, which is impaired by additive white Gaussian noise (AWGN) and multipath fading. The effectiveness of the iterative TPC BER is evaluated using sequential and non-sequential decoding. Numerical simulation for different TPCs have confirmed that the non-sequential decoding in Rayleigh fading channels can offer double the coding gain offered in AWGN channels. Moreover, the extra coding gain achieved by the non-sequential decoder is inversely proportional to the code rate and the code length.