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This paper addresses the performance of a full-duplex (FD) generalizedfrequency division multiplexing (GFDM) transceiver in the presence of radiofrequency (RF) impairments including phase noise, carrier frequency offset(CFO) and in-phase (I) and quadrature (Q) imbalance. We study analog anddigital self-interference (SI) cancellation and develop a complementary SIsuppression method. Closed-form solutions for the residual SI power and thedesired signal power and signal-to-interference ratio (SIR) are provided.Simulation results show that the RF impairments degrade SI cancellation and FDGFDM is more sensitive to them compares to FD orthogonal frequency divisionmultiplexing (OFDM). Hence, we propose an FD GFDM receiver filter formaximizing the SIR. Significantly, it achieves 25 dB higher SIR than FD OFDMtransceiver.

Full-Duplex GFDM Radio Transceivers in the Presence of Phase Noise, CFO and IQ Imbalance