no code implementations • 23 May 2024 • Bing Xue, Katsuyuki Haneda, Clemens Icheln
The study of 5G base station antenna array performance for self-interference reduction is derived.
no code implementations • 9 May 2024 • Bing Xue, Katsuyuki Haneda, Clemens Icheln, Juha Ala-Laurinaho
This manuscript proposes a method for characterizing the complex permittivity of the human finger skin based on an open-ended waveguide covered with a thin dielectric sheet at sub-terahertz frequencies.
no code implementations • 3 Aug 2022 • Bing Xue, Pasi Koivumaki, Lauri Vaha-Savo, Katsuyuki Haneda, Clemens Icheln
Their radiation properties are evaluated through near-field scanning of the two prototypes, first in free space for calibration of the antenna measurement system and for building simplified models of the cellphone arrays.
no code implementations • 13 Jul 2022 • Lauri Vähä-Savo, Katsuyuki Haneda, Clemens Icheln, Xiaoshu Lü
To solve this problem with indoor connectivity, we study passive antenna systems embedded in walls of low-energy buildings.
no code implementations • 14 Sep 2020 • Lauri Vähä-Savo, Christian Cziezerski, Mikko Heino, Katsuyuki Haneda, Clemens Icheln, Ali Hazmi, Ruiyuan Tian
We developed numerical and physical phantoms of a human body for evaluation of mobile handset antennas at 28 GHz.
