Energy Efficiency of Distributed Massive MIMO Systems

다국어 초록 (Multilingual Abstract)

In this paper, we investigate energy efficiency (EE) of thetraditional co-located and the distributed massive multiple-inputmultiple-output (MIMO) systems. First, we derive an approximateEE expression for both the idealistic and the realistic power consumptionmodels. Then an optimal energy-efficient remote accessunit (RAU) selection algorithm based on the distance between themobile stations (MSs) and the RAUs are developed to maximizethe EE for the downlink distributedmassive MIMO systems underthe realistic power consumption model. Numerical results showthat the EE of the distributedmassiveMIMOsystems is larger thanthe co-locatedmassiveMIMOsystems under both the idealistic andrealistic power consumptionmodels, and the optimal EE can be obtainedby the developed energy-efficient RAU selection algorithm.

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