48 citations · 153 across the 30 of their papers we have counts for
15 papers · 1 filter
Introducing Meta-Fiber into Stacked Intelligent Metasurfaces for MIMO Communications: A Low-Complexity Design with only Two Layers
Hong Niu, Jiancheng An, Tuo Wu +8
Stacked intelligent metasurfaces (SIMs), which integrate multiple programmable metasurface layers, have recently emerged as a promising technology for advanced wave-domain signal p…
Deterministic and Statistical Analysis of the DoF of Continuous Linear Arrays in the Near Field
Athanasios G. Kanatas, Harris K. Armeniakos, Harpreet S. Dhillon +1
This paper examines the number of communication modes, that is, the degrees of freedom (DoF) in a wireless line-of-sight channel comprising a small continuous linear intelligent an…
Stacked Intelligent Metasurface Enabled Near-Field Multiuser Beamfocusing in the Wave Domain
Xing Jia, Jiancheng An, Hao Liu +4
Intelligent surfaces represent a breakthrough technology capable of customizing the wireless channel cost-effectively. However, the existing works generally focus on planar wavefro…
Joint Precoding and AP Selection for Energy Efficient RIS-aided Cell-Free Massive MIMO Using Multi-agent Reinforcement Learning
Enyu Shi, Jiayi Zhang, Ziheng Liu +5
Cell-free (CF) massive multiple-input multiple-output (mMIMO) and reconfigurable intelligent surface (RIS) are two advanced transceiver technologies for realizing future sixth-gene…
Reconfigurable Intelligent Surface (RIS) System Level Simulations for Industry Standards
Yifei Yuan, Yuhong Huang, Xin Su +3
Reconfigurable intelligent surface (RIS) is an emerging technology for wireless communications. In this paper, extensive system level simulations are conducted for analyzing the pe…
Codebook-Based Solutions for Reconfigurable Intelligent Surfaces and Their Open Challenges
Jiancheng An, Chao Xu, Qingqing Wu +4
Reconfigurable intelligent surfaces (RIS) is a revolutionary technology to cost-effectively improve the performance of wireless networks. We first review the existing framework of…