Modulated scatterer technique probe for intra-body RF channel measurements

V.A. Yordanov, Marinus Jan Bentum

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

For sensing human body parameters, several sensors (implantable or digestible) can be located inside the body. Since intra-body locations are not physically accessible (or at least difficult and with some risks), wireless communication with the sensing nodes is required. This intra-body wireless communication is a very challenging area, mainly because of the unknown and very attenuated channel and its variation with different human subjects. The topic of this paper is enabling intra-body channel measurements for accurate channel modeling in order to allow for precise intra-body localization and efficient data transmission. We propose to measure the channel by using the modulated scatterer technique (MST). MST has several advantages over conventional techniques, in which a probe in receiver mode is employed, like low field perturbation, minimization, simplified design, minimized size due to simpler circuitry operation and lower power consumption allowing for self-powering. The topic of this paper is the design and measurement of a MST probe for intra-body applications. Measurements are presented using the proposed device over several frequencies of operation in order to evaluate the probe's performance. After initial testing in air and further testing in several tissue environments the probe's performance has been evaluated. The measurement results are matching the theory. Functionality is as predicted and efficient measurements are possible in the MICS and ISM operation bands.
Original languageEnglish
Title of host publication2014 8th European Conference on Antennas and Propagation (EuCAP)
Place of PublicationUSA
PublisherIEEE Aerospace and Electronic Systems Society
Pages1757-1759
Number of pages3
ISBN (Print)978-88-907018-4-9
DOIs
Publication statusPublished - 9 Apr 2014
Event8th European Conference on Antennas and Propagation, EuCAP 2014 - The Hague, Netherlands
Duration: 6 Apr 201411 Apr 2014
Conference number: 8

Publication series

Name
PublisherIEEE Aerospace and Electronic Systems Society

Conference

Conference8th European Conference on Antennas and Propagation, EuCAP 2014
Abbreviated titleEuCAP
CountryNetherlands
CityThe Hague
Period6/04/1411/04/14

Fingerprint

Communication
Testing
Data communication systems
Electric power utilization
Tissue
Sensors
Air

Keywords

  • EWI-25161
  • METIS-306067
  • IR-92202

Cite this

Yordanov, V. A., & Bentum, M. J. (2014). Modulated scatterer technique probe for intra-body RF channel measurements. In 2014 8th European Conference on Antennas and Propagation (EuCAP) (pp. 1757-1759). USA: IEEE Aerospace and Electronic Systems Society. https://doi.org/10.1109/EuCAP.2014.6902133
Yordanov, V.A. ; Bentum, Marinus Jan. / Modulated scatterer technique probe for intra-body RF channel measurements. 2014 8th European Conference on Antennas and Propagation (EuCAP). USA : IEEE Aerospace and Electronic Systems Society, 2014. pp. 1757-1759
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Yordanov, VA & Bentum, MJ 2014, Modulated scatterer technique probe for intra-body RF channel measurements. in 2014 8th European Conference on Antennas and Propagation (EuCAP). IEEE Aerospace and Electronic Systems Society, USA, pp. 1757-1759, 8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, Netherlands, 6/04/14. https://doi.org/10.1109/EuCAP.2014.6902133

Modulated scatterer technique probe for intra-body RF channel measurements. / Yordanov, V.A.; Bentum, Marinus Jan.

2014 8th European Conference on Antennas and Propagation (EuCAP). USA : IEEE Aerospace and Electronic Systems Society, 2014. p. 1757-1759.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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N2 - For sensing human body parameters, several sensors (implantable or digestible) can be located inside the body. Since intra-body locations are not physically accessible (or at least difficult and with some risks), wireless communication with the sensing nodes is required. This intra-body wireless communication is a very challenging area, mainly because of the unknown and very attenuated channel and its variation with different human subjects. The topic of this paper is enabling intra-body channel measurements for accurate channel modeling in order to allow for precise intra-body localization and efficient data transmission. We propose to measure the channel by using the modulated scatterer technique (MST). MST has several advantages over conventional techniques, in which a probe in receiver mode is employed, like low field perturbation, minimization, simplified design, minimized size due to simpler circuitry operation and lower power consumption allowing for self-powering. The topic of this paper is the design and measurement of a MST probe for intra-body applications. Measurements are presented using the proposed device over several frequencies of operation in order to evaluate the probe's performance. After initial testing in air and further testing in several tissue environments the probe's performance has been evaluated. The measurement results are matching the theory. Functionality is as predicted and efficient measurements are possible in the MICS and ISM operation bands.

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Yordanov VA, Bentum MJ. Modulated scatterer technique probe for intra-body RF channel measurements. In 2014 8th European Conference on Antennas and Propagation (EuCAP). USA: IEEE Aerospace and Electronic Systems Society. 2014. p. 1757-1759 https://doi.org/10.1109/EuCAP.2014.6902133