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Aligned Image Sets and the Generalized Degrees of Freedom of Symmetric MIMO Interference Channel With Partial CSIT

机译:部分CSIT的对准图像集和对称MIMO干扰信道的广义自由度

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摘要

The generalized degrees of freedom of the two-user symmetric multiple input multiple output interference channel are characterized as a function of the channel strength levels and the level of channel state information at the transmitters. In this symmetric setting, each transmitter is equipped with$M$antennas, each receiver is equipped with$N$antennas, and both cross links have the same strength parameter$lpha $and the same channel uncertainty parameter$eta $. The main challenge resides in the proof of the outer bound which is accomplished by a generalization of the aligned image sets approach.
机译:两用户对称多输入多输出干扰信道的广义自由度的特征在于信道强度等级和发射机处的信道状态信息等级。在这种对称设置下,每个发射器都配有 n $ M $ nantennas,每个接收器都装有 n $ N $ nantennas,并且两个交叉链接具有相同的强度参数 n $ alpha $ n和相同的通道不确定性参数 n $ beta $ n。主要挑战在于外边界的证明,这是通过对齐图像集方法的概括来实现的。

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