Intelligent Reflective Surface vs. Mobile Relay-supported NLoS Avoidance in Indoor mmWave Networks

Bustamante, Madrid, Maria; Famaey, Jeroen; Lemić, Filip

doi:10.1109/globecom48099.2022.10000865

Cited by 3 publications

(1 citation statement)

References 19 publications

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“…Usually, RIS technology is evaluated through the achieved advancement over relay technology [14,[20][21][22]. In the literature, often RIS technology does not achieve satisfactory high scores in these comparisons as it needs a very large RIS surface to beat the relay performance.…”

Section: Can Ris Technology Outperform Relay Technology?mentioning

confidence: 99%

PHY0 network: Metasurface as PHY-beam router, is it possible? Challenges and open problems

Salah¹,

Abdelaziem²,

Pitsillides³

2023

ITU J-FET

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A software-controlled metasurface is introduced as one of the key enablers of Sixth Generation (6G) communication. Some sort of wireless channel customization/ adaptation is allowed for the first time. As an extreme case for wireless channel adaptation, environmental beam routing has emerged for guiding Electromagnetic (EM) wireless transmission through multiple Reconfigured Intelligent Surfaces (RISs). This gives rise to instituting a new form of a physical networking layer (PHY0) that is hardly explored. Furthermore, there is a knowledge gap in the definition, functionalities, and limitations of the metasurface as a beam router. So, in this paper, we are aiming at highlighting the birth of a new physical layer networking technology. The environmental routing concept is introduced as an optimal wireless channel adaptation through "Open-air EM Guiding". Furthermore, the definition and functionality of RIS as an EM beam router are put forward as an ideal model. The limitations facing RIS in simulating the beam routing role are explored from the communication system viewpoint along with reviewing the state-of-the-art solutions resolving these limitations. Physicists and material engineers are motivated for providing better solutions for these challenges.

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Section: Can Ris Technology Outperform Relay Technology?mentioning

confidence: 99%