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Recently massive multi-input multi-output (MIMO) techniques have attracted growing research interest. However, most existing works assume centralized control, which may involve a heavy overhead as the number of users also becomes massive. In this paper, we focus on random-access massive MIMO systems. We first analyze the performances of two conventional schemes widely used in massive MIMO, and derive...
A signal detection technique using successive interference cancellation (SIC) for uplink cooperative cellular systems is proposed in this paper, to suppress the interference caused by the cooperative transmission of two mobile users transmitting both their own information and the cooperative partner's information using distributed space-time coding (DSTC). Simulation results show that the proposed...
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