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Τίτλος: Software-Defined Reconfigurable Intelligent Surfaces: From Theory to End-to-End Implementation
Συγγραφείς: Liaskos, Christos K.
Mamatas, Lefteris
Pourdamghani, Arash
Tsioliaridou, Ageliki
Ioannidis, Sotiris
Pitsillides, Andreas
Schmid, Stefan
Akyildiz, Ian F.
Τύπος: Article
Θέματα: FRASCATI::Engineering and technology
FRASCATI::Engineering and technology::Other engineering and technologies
Λέξεις-Κλειδιά: 6G
deployment optimization
HyperSurfaces
intelligent metasurfaces
internetworking
multihop
programmable wireless environments (PWEs)
protocol stack
reconfigurable intelligent surfaces (RISs)
security
smart radio environments (SREs)
software-defined networking (SDN)
theoretical foundations
Ημερομηνία Έκδοσης: 2022
Πηγή: Proceedings of the IEEE
Τόμος: 110
Τεύχος: 9
Πρώτη Σελίδα: 1466
Τελευταία Σελίδα: 1493
Επιτομή: Programmable wireless environments (PWEs) utilize internetworked intelligent metasurfaces to transform wireless propagation into a software-controlled resource. In this article, the interplay is explored between the user devices, the metasurfaces, and the PWE control system from the theory to the end-to-end implementation. This article first discusses the metasurface hardware and software, covering the complete workflow from the user device initialization to its final service via the PWE. Furthermore, to be compatible with the 5G and 6G wireless systems, the software-defined networking (SDN) paradigm is extended to achieve scalable internetworking and central control in PWE deployments with multiple metasurfaces and multihop communication. Subsequently, the set of SDN foundations is exploited in order to abstract the physics behind PWEs and a theoretical framework is established to describe and manipulate them in an algorithmic form. This can lead to smart radio environments that are readily accessible from various engineering disciplines, facilitating their integration into existing networks, wireless systems, and applications. This article is concluded by outlining strategies for the optimal placement of metasurfaces within a PWE-controlled space, open challenges in PWE security, specialized SDN integration issues, and theoretical problems toward the graph-driven modeling of PWEs.
URI: https://doi.org/10.1109/JPROC.2022.3169917
https://ruomo.lib.uom.gr/handle/7000/1322
ISSN: 0018-9219
1558-2256
Αλλοι Προσδιοριστές: 10.1109/JPROC.2022.3169917
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