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- 2018
全双工大规模MIMO网络中最优天线分配
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Abstract:
在全双工大规模MIMO网络中，为了降低自干扰，提升频谱效率，提出了一种最优天线分配算法。该算法在基站采用迫零线性信号处理和存在信道估计误差的前提下，首先推导出系统和速率的紧下界。通过分析该下界，以系统和速率最大化为优化目标，得到最优的收发天线比。理论分析和仿真结果表明：1）收发天线比与上行导频信号发射功率成正比，与下行导频信号发射功率成反比；2）当天线数目无穷大时，最优天线比趋近于1。
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