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Communication Over MIMO Broadcast Channels Using Lattice-Basis Reduction

机译:使用格基减少的MIMO广播信道上的通信

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摘要

A simple scheme for communications in MIMO broadcast channels is introduced which adopted the lattice reduction techniques to improve the naive channel inversion method. Lattice basis reduction helps us to reduce the average transmitted power by modifying the region which consists of the constellation points. Simulation results show that the proposed scheme performs well and as compared to the complex methods (such as the perturbation method [1]) has a negligible loss. Also, using our scheme the method in [1] is modified which outperforms the perturbation method while it has a lower complexity.
机译:介绍了一种用于MIMO广播信道的简单通信方案,该方案采用晶格简化技术来改进朴素的信道反演方法。格基减少有助于我们通过修改由星座点组成的区域来降低平均发射功率。仿真结果表明,所提出的方案性能良好,与复杂方法(如扰动方法[1])相比,损失可忽略不计。同样,使用我们的方案,对[1]中的方法进行了修改,该方法优于扰动方法,同时具有较低的复杂度。

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