Abstract
How to design low complex transceiver is one of key issues for Fast-Than-Nyquist (FTN) signaling. In this paper, a Discrete Fourier Transform (DFT) based block transmission scheme is proposed for FTN signaling, i.e. DBT-FTN system. By DFT based signal generation and frequency-domain equalization (FDE) in the transmitter and receiver respectively, the implementation complexity of DBT-FTN system can be reduced significantly. The theoretical post-processing signal to interference plus noise ratio (SINR) are formulated for the DBT-FTN receiver with both zero forcing (ZF) and minimum mean square error (MMSE) FDE in multipath channel, which is verified by the simulation results. The effects of pulse-shaping filter with different shift-orthogonal intervals on pSINRs of DBT-FTN receiver are analyzed in both AWGN and multipath channel with ZF- and MMSE FDE.
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