no code implementations • 9 Jan 2024 • Pablo Ramirez-Espinosa, David Morales-Jimenez, Kai-Kit Wong
Powered by position-flexible antennas, the emerging fluid antenna system (FAS) technology postulates as a key enabler for massive connectivity in 6G networks.
1 code implementation • 22 Dec 2022 • Robin Jess Williams, Pablo Ramirez-Espinosa, Jide Yuan, Elisabeth de Carvalho
Dynamic metasurface antennas (DMAs) arise as a promising technology in the field of massive multiple-input multiple-output (mMIMO) systems, offering the possibility of integrating a large number of antennas in a limited -- and potentially large -- aperture while keeping the required number of radio-frequency (RF) chains under control.
no code implementations • 13 Dec 2021 • Jens Abraham, Pablo Ramirez-Espinosa, Torbjörn Ekman
With the full distribution functions available, performance can be compared over the full range of received powers and not only based on the average SNR.
no code implementations • 4 Nov 2021 • Cristian J. Vaca-Rubio, Pablo Ramirez-Espinosa, Kimmo Kansanen, Zheng-Hua Tan, Elisabeth de Carvalho
This paper leverages the potential of Large Intelligent Surface (LIS) for radio sensing in 6G wireless networks.
no code implementations • 16 Nov 2020 • Cristian J. Vaca-Rubio, Pablo Ramirez-Espinosa, Kimmo Kansanen, Zheng-Hua Tan, Elisabeth de Carvalho, Petar Popovski
By treating an LIS as a radio image of the environment relying on the received signal power, we develop techniques to sense the environment, by leveraging the tools of image processing and machine learning.
no code implementations • 11 Jun 2020 • Cristian J. Vaca-Rubio, Pablo Ramirez-Espinosa, Robin Jess Williams, Kimmo Kansanen, Zheng-Hua Tan, Elisabeth de Carvalho, Petar Popovski
One of the beyond-5G developments that is often highlighted is the integration of wireless communication and radio sensing.