Simultaneous Detection and Parallel Interference Cancellation in GFDM for 5G

The generalized frequency division multiplexing transmission technique (GFDM), is being discussed as a candidate waveform for the fifth generation wireless communication system (5G). Since it only uses one cyclic prefix (CP) per group of symbols instead of one CP per symbol, the GFDM technique is more spectrally efficient than the traditional OFDM systems. In this work we propose a low complexity detection scheme for GFDM where a matched filter (MF) detection is used in conjunction with the parallel interference cancellation technique (PIC). In addition to reducing the complexity of the receiver, the proposed scheme incorporates a strategy to dynamically limit the number of iterations of the PIC. Performance results are presented in terms of information symbol error rate (SER).