论文标题
交替进行智能反射表面元件分配
Alternating Beamforming with Intelligent Reflecting Surface Element Allocation
论文作者
论文摘要
智能反射表面（IRS）已成为一项有前途的技术，以帮助下一代无线通信系统。在本文中，当基站支持多个单个天线用户时，我们开发了一种与多输入多输出系统的IRS元素分配的新颖概念，以IRS元素分配的新颖概念开发出来。具体来说，我们将每个IRS元素分别分别分配给每个用户，因此，在波束成形阶段，IRS元素一次仅考虑一个用户。结果，这种分离，复杂性大大降低了。提出的波束形成技术试图最大程度地提高所有用户的最低率最小，其复杂性最小。在数值结果中，我们表明所提出的技术与基于凸优化的基准相媲美，复杂性较小。
Intelligent reflecting surface (IRS) has become a promising technology to aid next generation wireless communication systems. In this paper, we develop an alternating beamforming technique with a novel concept of IRS element allocation for multiple-input multiple-output systems when a base station supports multiple single antenna users aided with a single IRS. Specifically, we allocate each IRS element separately to each user, thus, in the beamforming stage allowing the IRS element only consider a single user at a time. In result to this separation, the complexity is vastly decreased. The proposed beamforming technique tries to maximize the minimum rate of all users with minimal complexity. In the numerical results, we show that the proposed technique is comparable to the convex optimization-based benchmark with sufficiently less complexity.
