Beyond Diagonal Reconfigurable Intelligent Surfaces Utilizing Graph Theory: Modeling, Architecture Design, and Optimization

Recently, beyond diagonal reconfigurable intelligent surface (BD-RIS) has been proposed to generalize conventional RIS. BD-RIS has a scattering matrix that is not restricted to being diagonal and thus brings a performance improvement over conventional RIS. While different BD-RIS architectures have b...

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Bibliographic Details
Published in:	IEEE transactions on wireless communications Vol. 23; no. 8; pp. 9972 - 9985
Main Authors:	Nerini, Matteo, Shen, Shanpu, Li, Hongyu, Clerckx, Bruno
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.08.2024 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Admittance Beyond diagonal reconfigurable intelligent surface (BD-RIS) Complexity Complexity theory Design optimization forest-connected Forestry Forests graph theoretical modeling Graph theory Impedance Integrated circuit modeling Iterative algorithms Reconfigurable intelligent surfaces S matrix theory Scattering tree-connected Upper bounds
ISSN:	1536-1276, 1558-2248
Online Access:	Get full text
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