29 January 2018 Distributed MIMO network for 5G enhanced mobile broadband
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One of important applications in 5G mobile communications is the enhanced mobile broadband (eMBB). A promising approach for achieving 5G eMBB under the limited radio bandwidth and energy is an introduction of a small-cell structured network. An advanced utilization of multi-input multi-output (MIMO) transmission is also another possible approach. First, the conceptual structure of distributed MIMO network is introduced. A number of distributed antennas (DAs) are deployed over a macro-cell area and they are connected to a macro-cell base station (MBS) via optical mobile fronthaul. Then, we present the recent advances in distributed MIMO cooperative transmission, i.e., space-time block coded transmit diversity (STBC-TD) for improving the link capacity of a macro-cell edge area, minimum mean square error multiuser multiplexing combined with singular value decomposition (MMSE-SVD) for increasing the sum capacity, and blind selective mapping (SLM) for reducing the transmit signal peak-to-average power ratio (PAPR).
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Fumiyuki Adachi, Fumiyuki Adachi, Amnart Boonkajay, Amnart Boonkajay, Tomoyuki Saito, Tomoyuki Saito, Yuta Seki, Yuta Seki, } "Distributed MIMO network for 5G enhanced mobile broadband", Proc. SPIE 10559, Broadband Access Communication Technologies XII, 1055909 (29 January 2018); doi: 10.1117/12.2291321; https://doi.org/10.1117/12.2291321


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