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Large-scale MU-MIMO is a promising technology to scale network capacity and the capacity gain grows linearly with the numbers of antennas and users in theory. However, its practical deployment faces three critical challenges in the state-of-the-art WLANs: i) the demand of a large number of expensive RF chains; ii) the linear growth of feedback overheads with the number of antennas; iii) the lack of...
In this paper, the thought of space division full duplex (SDFD) is introduced to improve the flexibility of traffic adaptation in time division duplex (TDD) systems. In SDFD scheme, two spatial separated transmission points (TPs), which can be two base stations (BSs), serve downlink (DL) and uplink (UL), respectively. In this case, the interference between two TPs cannot be avoided, which might affect...
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