而发挥虚拟MIMO优势的关键之处在于，根据通信需要建立合理的虚拟天线阵列小区。
The key to make full use of virtual MIMO's advantages is to deploy the rational virtual antenna arrays according to actual conditions, but at present, there are few researches related with it.
分布在无线网络节点上的每一根天线都有自身信息要传送，且集合起来组成虚拟的天线阵列(VAA)。
Distributed antennas belonging to multiple users in the wireless network are collected, each with their own information to transmit, so that the users form a "virtual antenna array" (VAA).
在阵列信号处理中，利用四阶累积量可以使阵列虚拟扩展，增大了天线阵的孔径，但同时也增加了算法的计算量。
In array signal processing, the fourth-order cumulant can be applied to extend array virtually and enlarge aperture of array antenna, but computation load of algorithm would also increase.
在阵列信号处理中，利用四阶累积量可以使阵列虚拟扩展，增大了天线阵的孔径，但同时也增加了算法的计算量。
In array signal processing, the fourth-order cumulant can be applied to extend array virtually and enlarge aperture of array antenna, but computation load of algorithm would also increase.
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