V. CONCLUSION
In this paper, distributed interference suppression in a relayaided
network consisting of multiple full-duplex relays and
multiple users is investigated. A general model addressing
the impact of IRI in addition to SI and MUI is established,
and distributed beamforming is proposed to suppress the
three types of interference jointly. A power-efficient distributed
algorithm based on proximal decomposition is designed.
Moreover, the algorithm’s convergence to optimum is proved,
and an upper bound for stepsizes that guarantee convergence
is theoretically derived. The proposed algorithm requires only
local information exchange and hence is flexible with scaling
network sizes and changing topology. Simulation results
validate effectiveness and stability of our proposal.