A Promising Technology for 6G Wireless Networks: Intelligent Reflecting Surface
Wen-Xuan Long, Rui Chen, Marco Moretti, Wei Zhang, Jiandong Li

TL;DR
This paper reviews the potential of intelligent reflecting surfaces (IRS) as a transformative technology for 6G wireless networks, highlighting its capabilities, applications, and challenges in creating intelligent, controllable, and ubiquitous connectivity.
Contribution
It provides a comprehensive overview of IRS technology, including its signal model, hardware architecture, and role in enabling advanced 6G network scenarios and performance goals.
Findings
IRS enables fine-grained 3D passive beamforming.
IRS can support intelligent, controllable wireless environments.
IRS deployment faces specific technical and practical challenges.
Abstract
The intelligent information society, which is highly digitized, intelligence inspired and globally data driven, will be deployed in the next decade. The next 6G wireless communication networks are the key to achieve this grand blueprint, which is expected to connect everything, provide full dimensional wireless coverage and integrate all functions to support full-vertical applications. Recent research reveals that intelligent reflecting surface (IRS) with wireless environment control capability is a promising technology for 6G networks. Specifically, IRS can intelligently control the wavefront, e.g., the phase, amplitude, frequency, and even polarization by massive tunable elements, thus achieving fine-grained 3-D passive beamforming. In this paper, we first give a blueprint of the next 6G networks including the vision, typical scenarios and key performance indicators (KPIs). Then, we…
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Taxonomy
TopicsAdvanced Wireless Communication Technologies · Optical Wireless Communication Technologies · Metamaterials and Metasurfaces Applications
