NDLI: Numerical evaluation of the electric field induced in a cubic phantom by different antennas at 2.45 GHz

Content Provider	IEEE Xplore Digital Library
Author	Paffi, A. Liberti, M. Sammali, F. Stefanelli, R. Trinchero, D. Apollonio, F.
Copyright Year	2011
Description	Author affiliation: IXem Labs, Dipartimento di Elettronica, Politecnico di Torino, Italy (Stefanelli, R.; Trinchero, D.) \|\| ICEmB at “Sapienza” University of Rome, via Eudossiana 18, 00184, Italy (Paffi, A.; Liberti, M.; Sammali, F.; Apollonio, F.)
Abstract	Previous studies evidenced that probes used to measure the electric field in the air are affected by an additional uncertainty, which increases as the field level grows, when measuring numerically modulated signals, such as those typical of the Wi-Fi standard at 2.45 GHz. To reliably evaluate the electromagnetic power absorbed by a body exposed to such signals, the behavior of the probes used for measuring the electric field inside biological media has to be characterized as well. To do this, one must have antennas able to induce high electric field values inside dissipative materials placed in the near field region. In this study numerical simulations have been carried out on two different antenna models (horn and loop) in order to evaluate the electric field distribution inside a cubic phantom. Results indicate that the printed loop antenna is more efficient than the horn one in inducing high values of electric field (tens of V/m) inside the phantom. Therefore, it can be efficiently used for the characterization of the electric field probes in the presence of digitally modulated signals at 2.45 GHz.
Starting Page	1090
Ending Page	1091
File Size	778922
Page Count	2
File Format	PDF
ISBN	9781612849768
e-ISBN	9781612849782
DOI	10.1109/ICEAA.2011.6046499
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-12
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Horn antennas Measurement uncertainty Phantoms Biology Electric fields Probes
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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