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多发射天线选择的无线信道序统计特性研究
Authors
庄铭杰
郭东辉
Publication date
25 December 2005
Publisher
Abstract
在独立平坦的瑞利衰落信道中,提出一种确定排序信道衰落因子大小的联合概率密度函数(PDF)序系数的方法。根据输出信噪比最大的天线选择原则,就信道状态信息(CSI)正确和差错两种不同情况,分别给出n个最大排序的信道衰落因子的边缘PDF理论式。最后,对采用正交空时分组码的多发射天线选择系统进行数值仿真,结果表明:多天线选择能极大地提高系统的传输质量,而且能有效地抵抗CSI差错引起的性能下降
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Last time updated on 16/06/2016