2 papers
eess.SP2025
Multifrequency system model for multiport time-modulated scatterers
Aleksandr D. Kuznetsov, Jari Holopainen, Ville Viikari
Utilizing scatterers in communication engineering, such as reconfigurable intelligent surfaces (RISs) and backscatter systems, requires physically consistent models for accurate pe…
eess.SP2018
Tunable Eight-Element MIMO Antenna Based on the Antenna Cluster Concept
Jari-Matti Hannula, Tapio O. Saarinen, Anu Lehtovuori +2
Realizing capacity demands of future wireless communications requires improved spectral efficiency in the sub-6-GHz frequency bands. This paper proposes a novel eight-element multi…