论文标题
分布式IRS带有统计的被动式波束，以进行MISO通信
Distributed IRS with Statistical Passive Beamforming for MISO Communications
论文作者
论文摘要
智能反射表面（IRS）最近被确定为一项重要技术，具有通过动态操纵传播环境来增强无线通信的能力。本文研究了部署分布式IRS的多输入单输出（MISO）系统。为了实际考虑，我们提出了一种有效的被动反映IRS的被动设计，以利用统计通道状态信息（CSI），并分析网络的可实现速率，考虑到CSI估计误差的影响。千古可实现的速度以封闭形式得出，该形式提供了有见地的系统设计指南。数值结果证实了派生结果的准确性，并揭示了所提出的分布式IRS部署比常规集中部署的性能优越性。
Intelligent reflecting surface (IRS) has recently been identified as a prominent technology with the ability of enhancing wireless communication by dynamically manipulating the propagation environment. This paper investigates a multiple-input single-output (MISO) system deploying distributed IRSs. For practical considerations, we propose an efficient design of passive reflecting beamforming for the IRSs to exploit statistical channel state information (CSI) and analyze the achievable rate of the network taking into account the impact of CSI estimation error. The ergodic achievable rate is derived in a closed form, which provides insightful system design guidelines. Numerical results confirm the accuracy of the derived results and unveil the performance superiority of the proposed distributed IRS deployment over the conventional centralized deployment.
