论文标题
天线选择的大型MIMO中的容量缩放定律
Capacity Scaling Law in Massive MIMO with Antenna Selection
论文作者
论文摘要
天线选择能够处理大量多输入(MIMO)通道中的成本和复杂性问题。在中Nakagami淡化下,多源Mimo上行链路通道的总和容量的表征。为了考虑的系统,得出了数学上可牵引的总和容量上限。此外,对于足够大的基站(BS)天线数,得出了总和绑定的确定性等效(DE)。基于此DE,总和率的能力显示出与BS天线数量的双对数生长。分析结果的有效性通过数值实验证实。
Antenna selection is capable of handling the cost and complexity issues in massive multiple-input multiple-output (MIMO) channels. The sum-rate capacity of a multiuser massive MIMO uplink channel is characterized under the Nakagami fading. A mathematically tractable sum-rate capacity upper bound is derived for the considered system. Moreover, for a sufficiently large base station (BS) antenna number, a deterministic equivalent (DE) of the sum-rate bound is derived. Based on this DE, the sum-rate capacity is shown to grow double logarithmically with the number of BS antennas. The validity of the analytical result is confirmed by numerical experiments.