Experimental Evaluation of Blind Interference Alignment
Experimental Evaluation of Blind Interference Alignment
复制标题
盲干扰对准的实验评估
DOI：
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发表时间：
2015
期刊：
影响因子：
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通讯作者：
A. G. Armada
中科院分区：
文献类型：
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作者：
M. M. Céspedes;M. S. Fernández;A. G. Armada
在这项工作中的实验评估盲干扰对准（BIA）的硬件平台。与诸如线性迫零波束成形（LZFB）或干扰对准（IA）的其他传输技术相比，BIA实现了自由度（DoF）的增长，而无需发射机处的信道状态信息（CSIT）。基于正交频分复用（OFDM）和LTE参数的真实的实现在由配备有两个天线的发射机和每个配备有可重构天线的两个用户组成的测试床上实现。此外，一个完整的CSIT技术，如LZFB也实现了比较的目的。首先，这两种技术的理论可达到的速率。之后，这两种方案的误码率进行评估关于实现的总吞吐量。
An experimental evaluation of Blind Interference Alignment (BIA) over a hardware platform is presented in this work. In contrast to other transmission techniques such as Linear Zero Forcing Beamforming (LZFB) or Interference Alignment (IA), BIA achieves a growth in Degrees of Freedom (DoF) without channel state information at the transmitter (CSIT). A real implementation based on Orthogonal Frequency Division Multiplexing (OFDM) and LTE parameters is implement on a testbed made up of a transmitter equipped with two antennas and two users equipped with a reconfigurable antenna each. Furthermore, a full CSIT technique such as LZFB is also implemented for comparison purposes. First, the theoretic achievable rates are obtained for both techniques. After that, the bit error rate of both schemes is evaluated regarding the achieved sum-thorughput.