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5G green cellular networks considering power allocation schemes
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资源说明：It is important to assess the effect of transmit power allocation schemes on the energy consumption
on random cellular networks. The energy efficiency of 5G green cellular networks with average and water-filling
power allocation schemes is studied in this paper. Based on the proposed interference and achievable rate model,
an energy efficiency model is proposed for MIMO random cellular networks. Furthermore, the energy efficiency
with average and water-filling power allocation schemes are presented, respectively. Numerical results indicate
that the maximum limits of energy efficiency are always there for MIMO random cellular networks with different
intensity ratios of mobile stations (MSs) to base stations (BSs) and channel conditions. Compared with the
average power allocation scheme, the water-filling scheme is shown to improve the energy efficiency of MIMO
random cellular networks when channel state information (CSI) is attainable for both transmitters and receivers.
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