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Metasurface-based Fluid Antennas: from Electromagnetics to Communications Model
Pablo Ram\'irez-Espinosa, Cleof\'as Segura-G\'omez, \'Angel Palomares-Caballero, F. Javier L\'opez-Mart\'inez, David Morales-Jim\'enez
https://arxiv.org/abs/2507.17982

Metasurface-based Fluid Antennas: from Electromagnetics to Communications Model
Fluid antenna systems (FASs) have become a popular topic in the wireless community as an effective yet simple means of exploiting spatial diversity. Due to the limitations of physically moving radiating elements, electronically reconfigurable antennas are emerging as practical implementations of FASs, since changing the radiation pattern is functionally equivalent to physically moving the device. However, electronically reconfigurable antennas pose a challenge in terms of analytical modeling, o…

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