This paper considers a cellular system with a full-duplex base station andhalf-duplex users. The base station can activate one user in uplink or downlink(half-duplex mode), or two different users one in each direction simultaneously(full-duplex mode). Simultaneous transmissions in uplink and downlink causesself-interference at the base station and uplink-to-downlink interference atthe downlink user. Although uplink-to-downlink interference is typicallytreated as noise, it is shown that successive interference decoding andcancellation (SIC mode) can lead to significant improvement in network utility,especially when user distribution is concentrated around a few hotspots. Theproposed temporal fair user scheduling algorithm and corresponding poweroptimization utilizes full-duplex and SIC modes as well as half-duplextransmissions based on their impact on network utility. Simulation resultsreveal that the proposed strategy can achieve up to 95% average cell throughputimprovement in typical indoor scenarios with respect to a conventional networkin which the base station is half-duplex.
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