论文标题
关于流体天线系统的横断速率
On the Level Crossing Rate of Fluid Antenna Systems
论文作者
论文摘要
多输入多输出（MIMO）技术通过提供非凡的性能提高，对无线通信产生了重大影响。但是，MIMO系统中的最小 - 安特纳纳空间约束不允许其在空间有限的设备中集成。在这种情况下，流体天线系统（FASS）的概念似乎是一个有效的解决方案，没有这种限制。在本文中，我们研究了这种FASS的平均水平越过（LCR）。具体而言，我们得出了此类系统LCR的封闭形式的分析表达，并广泛的蒙特卡洛模拟验证了所提出的分析框架。此外，我们还证明，在某些条件下，LCR与常规选择的基于基于接收器的接收器相吻合。最后，数值结果还提供了有关选择适当参数以增强系统性能的见解。
Multiple-input multiple-output (MIMO) technology has significantly impacted wireless communication, by providing extraordinary performance gains. However, a minimum inter-antenna space constraint in MIMO systems does not allow its integration in devices with limited space. In this context, the concept of fluid antenna systems (FASs) appears to be a potent solution, where there is no such restriction. In this paper, we investigate the average level crossing rate (LCR) of such FASs. Specifically, we derive closed-form analytical expressions of the LCR of such systems and extensive Monte-Carlo simulations validate the proposed analytical framework. Moreover, we also demonstrate that under certain conditions, the LCR obtained coincides with that of a conventional selection combining-based receiver. Finally, the numerical results also provide insights regarding the selection of appropriate parameters that enhance the system performance.
