论文标题
嵌入辐射模式波动中的信息
Embedding Information in Radiation Pattern Fluctuations
论文作者
论文摘要
随着接收器改变其位置,其他物体移动,并且由于天线设计本身,发射天线的辐射模式会变化和波动。在本文中,我们演示了如何利用该观察结果来对齐大多数干扰信号功率,并显着提高平均可实现的通信率。更确切地说,在$ K $ - 用户干扰通道的背景下,我们提出了一种盲人干扰对准方案,该方案结合了发射机的多层编码和接收器的后处理方法,以使一大一部分的干扰信号功率对齐。我们的方案不依赖任何通道状态信息(CSI),因此盲人一词,仅依赖于辐射模式波动的统计数据。我们提出的沟通方法克服了干扰一致性概念的实际实施中的一些障碍。由于表达式的复杂性,在这项工作中,我们在不同情况下数字评估了可实现的速率,证明了我们提出的策略的收益,并将我们的结果与完美的CSI进行比较。
The radiation pattern of transmit antennas varies and fluctuates as receivers change their location, other objects move around, and due to the antenna design itself. In this paper, we demonstrate how this observation can be exploited to align most of the interference signal power and significantly increase the average achievable communication rates. More precisely, in the context of $K$-user interference channels, we propose a blind interference alignment scheme that combines multi-layer coding at the transmitters and a post-processing methodology at the receivers to align a significant portion of the interference signal power. Our scheme does not rely on any channel state information (CSI), hence the term blind, and only relies on the statistics of the radiation pattern fluctuations. Our proposed communication methodology overcomes some of the barriers in practical implementation of the interference alignment concept. Due to the complexity of the expressions, in this work, we numerically evaluate the achievable rates in different scenarios, demonstrate the gains of our proposed strategy, and compare our results to the prior works with perfect CSI.