Recent advancements in defected ground structure-based near-field wireless power transfer systems

K Dautov, M Hashmi, G Nauryzbayev… - IEEE …, 2020 - ieeexplore.ieee.org
The defected ground structure (DGS) technique enables miniaturization of the resonator
which leads to the development of the compact near-field wireless power transfer (WPT) …

Dual-band defected ground structures wireless power transfer system with independent external and inter-resonator coupling

F Tahar, A Barakat, R Saad, K Yoshitomi… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
This brief proposes a design methodology based on the admittance (J-) inverters for a dual-
band wireless power transfer (WPT) system that employs two cascaded circulars defected …

On the impact of the antenna radiation patterns in passive radio sensing

F Fieramosca, V Rampa, S Savazzi… - IEEE Antennas and …, 2023 - ieeexplore.ieee.org
Electromagnetic (EM) body models based on the scalar diffraction theory allow for predicting
the impact of subject motions on the radio propagation channel without requiring a time …

Accelerated multiobjective design of miniaturized microwave components by means of nested kriging surrogates

A Pietrenko‐Dabrowska, S Koziel - International Journal of RF …, 2020 - Wiley Online Library
Abstract Design of microwave components is an inherently multiobjective task. Often, the
objectives are at least partially conflicting and the designer has to work out a suitable …

Electromagnetic models for passive detection and localization of multiple bodies

V Rampa, GG Gentili, S Savazzi… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article proposes a multibody electromagnetic (EM) model for the quantitative evaluation
of the influence of multiple human bodies in the surroundings of a radio link. Modeling of …

Dynamic off-body Rician channel modeling for indoor wireless body area networks

R Dautov, GR Tsouri - IEEE journal of biomedical and health …, 2019 - ieeexplore.ieee.org
Wireless off-body channel is commonly treated as a traditional communication system
assuming large and small scale fading to be independent. In this work, we challenge this …

An EM body model for Device-Free Localization with multiple antenna receivers: A first study

V Rampa, F Fieramosca, S Savazzi… - 2023 IEEE-APS …, 2023 - ieeexplore.ieee.org
Device-Free Localization (DFL) employs passive radio techniques capable to detect and
locate people without imposing them to wear any electronic device. By exploiting the …

EM models for passive body occupancy inference

V Rampa, GG Gentili, S Savazzi… - IEEE Antennas and …, 2017 - ieeexplore.ieee.org
In this letter, a simplified human body model based on the scalar diffraction theory is
proposed. It allows us to evaluate the effects of a moving person on the propagation of radio …

A dual‐band case‐printed planar inverted‐F antenna design with independent resonance control for wearable short range telemetric systems

A Bouazizi, G Zaibi, A Iqbal, A Basir… - … Journal of RF and …, 2019 - Wiley Online Library
In this article, a novel 3D meandered planar inverted‐F antenna (PIFA) is proposed for dual
band application targeting Wireless Body Area Network (WBAN). The proposed antenna is …

Characterization of the human body impact on UAV-to-ground channels at ultra-low altitudes

M Badi, S Gupta, D Rajan… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
At ultra-low altitudes, an unmanned aerial vehicle (UAV) can act as a personal base station
where it communicates only with one user. User equipment (UE) can be inside the pocket of …