Publications by Sujith Raman | EPFL Graph Search

Related publications (7)

Analytic Approximation of Free-Space Path Loss for Implanted Antennas

Anja Skrivervik, Mingxiang Gao, Sujith Raman

Implantable wireless bioelectronic devices enable communication and/or power transfer through RF wireless connections with external nodes. These devices encounter notable design challenges due to the lossy nature of the host body, which significantly dimin ...

2024

Analytical Model for Calculating Gain Pattern of Antennas Implanted in Large Host Bodies

Anja Skrivervik, Mingxiang Gao, Sujith Raman

This communication presents a method for the fast and accurate estimation of the gain pattern and maximum gain of an implanted antenna including the effect of the host body, under the assumption that the latter is electrically large. The estimation procedu ...

2024

Recipes for different tissue phantoms at narrowband and broadband frequency ranges

Anja Skrivervik, Sujith Raman, Adrián Fernández Carnicero

This dataset includes: A PDF document explaining the performed permittivity measurements of different salt solutions (PBS and EBSS) and cell culture media (DMEM, DMEM+10% FBS, RPMI and RPMI + 10% FBS) that are often used in cell culture experiments as well ...

Zenodo2024

ECOSURF SA-9: A Biodegradable Alternative to Triton X-100 for Tissue Phantoms

Anja Skrivervik, Sujith Raman, Adrián Fernández Carnicero

Tissue phantoms are materials designed to mimic the dielectric properties of biological tissues. This work proposes eco-friendly tissue phantoms of cartilage, cerebrospinal fluid and stomach in the frequency range between 0.4 and 6 GHz. For reaching this p ...

Institute of Electrical and Electronics Engineers2025

Link Budget Estimation for Implantable Antennas: From In-Body Coupling to Free-Space Radiation

Anja Skrivervik, Mingxiang Gao, Sujith Raman

In wireless communication systems, the Friis transmission equation is commonly used to quickly estimate wireless transmission efficiency between the transmitter and the receiver. In the case of wireless implantable bioelectronic systems, the gain of the im ...

Institute of Electrical and Electronics Engineers Inc.2024

4-Port Microstrip planar resonator for multiband microwave material characterization applications

Anja Skrivervik, Sujith Raman

Planar microstrip resonators suitable for material characterization application are presented in this paper. The prototype consists of three resonators fed through four ports in a planar dielectric substrate without any additional resonators. The resonator ...

IEEE2022

Biomaterial devices on Arecanut palm leaf for microwave applications

Anja Skrivervik, Sujith Raman

This paper presents an investigation on the possibility of arecanut palm leaf as a biomaterial substrate for various microwave devices such as transmission lines, antenna, filter and a radio frequency identification device (RFID). The dielectric properties ...

IEEE2023