Analysis of recursive systematic convolutional turbo codes in MB-OFDM UWB with channel estimation

Ultra wideband (UWB) system requires high data rate transmission for a short wireless link application. The application of turbo codes in the system will improve the bit error rate (BER) performance. In this paper, the analysis of recursive systematic convolutional (RSC) turbo codes in the multiband orthogonal frequency division multiplexing (MB-OFDM) will be investigated in UWB channel with channel estimation. There are two types of channel estimation considered in the analysis which are Least Square (LS) estimation and Discrete Fourier Transform (DFT) based channel estimation. The effect of choosing an appropriate generator will be discussed as well as the effect of channel interleaver on the system in these two different channel estimation. The simulation result shows better error performance in the system using UWB channel interleaver compare to random interleaver using DFT based channel estimation.