The paper explores a robust scheme for joint power allocation and beamforming in in-band full-duplex multi-cell multi-user (IBFD-MCMU) networks. It addresses the challenges of self-interference cancellation (SIC) and co-channel interference (CCI) in IBFD radios, proposing an iterative algorithm to enhance analog self-interference cancellation depth. The method aims to achieve significant spectral efficiency gains with less effect on downlink communication compared to existing null-space projection methods. By leveraging beamforming for SIC, the proposed algorithm reduces computational complexity while maintaining system throughput. The study also considers hardware impairments, channel uncertainty, and practical constraints in its design approach.
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