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Reliability of the fat tissue channel for intra-body microwave communication
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik. (Microwave Group)ORCID-id: 0000-0002-6899-1424
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik.ORCID-id: 0000-0002-2876-223X
Vise andre og tillknytning
2017 (engelsk)Inngår i: 2017 IEEE Conference on Antenna Measurements & Applications (CAMA), IEEE, 2017, s. 310-313Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Recently, the human fat tissue has been proposed as a microwave channel for intra-body sensor applications. In this work, we assess how disturbances can prevent reliable microwave propagation through the fat channel. Perturbants of different sizes are considered. The simulation and experimental results show that efficient communication through the fat channel is possible even in the presence of perturbants such as embedded muscle layers and blood vessels. We show that the communication channel is not affected by perturbants that are smaller than 15 mm cube.

sted, utgiver, år, opplag, sider
IEEE, 2017. s. 310-313
Serie
IEEE Conference on Antenna Measurements & Applications, E-ISSN 2474-1760
Emneord [en]
microwaves, dielectric properties, fat channel, intra-body communication, phantom
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-335483DOI: 10.1109/CAMA.2017.8273435ISI: 000425256200088ISBN: 978-1-5090-5028-4 (digital)OAI: oai:DiVA.org:uu-335483DiVA, id: diva2:1163054
Konferanse
IEEE Conference on Antenna Measurements and Applications (CAMA), Tsukuba, Japan, December 04-06, 2017
Forskningsfinansiär
VINNOVA, 2015-04159Tilgjengelig fra: 2017-12-05 Laget: 2017-12-05 Sist oppdatert: 2019-10-10bibliografisk kontrollert
Inngår i avhandling
1. Fat-IBC: A New Paradigm for Intra-body Communication
Åpne denne publikasjonen i ny fane eller vindu >>Fat-IBC: A New Paradigm for Intra-body Communication
2019 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

In the last two decades, a significant development in the field of medical technology occurred worldwide. This development is characterized by the materialization of various body implants and worn devices, that is devices attached to the body. These devices assist doctors and paramedical staff in effectively monitoring the patient’s health and helping increase patients’ average life expectancy. Furthermore, the various implants inside the human body serve different purposes according to the humans’ needs. As this situation became more prominent, the development of protocols and of reliable transmission media is becomes essential to improve the efficiency of inter-device communications. Positive prospects of the use of human tissue for intra-body communication were proven in recent studies. Fat tissues, for example, which also work as energy banks for human beings, can be potentially used in intra-body communications as transmission media. In this thesis, the fat (adipose) tissue’s function as an intra-body communication channel was investigated. Therefore, various simulations and experimentations were performed in order to characterize the reliability of the fat tissue in terms of communication, considering, for example, the effect that the variability in the thickness of adipose and muscular tissues could have on the communication performance, and the possible effect that the variability in the transmitted signal power could have on the data packet reception. Fat tissue displays superior performance in comparison to muscle tissue in the context of a low loss communication channel. For example, at 2.45 GHz, the path losses of ~0.7 dB/cm and ~1.9 dB/cm were observed for phantom and ex-vivo measurements, respectively. At a higher frequency of 5.8 GHz, the ex-vivo path loss was around 1.4 dB/cm. It was concluded from the results that the adipose tissue could function as a reliable medium supporting intra-body communication even under low power transmitted signals. Moreover, although the presence of thick blood vessels could degrade the signal strength, the results show that communication is possible even under the presence of perturbant tissues. Overall, the results of this thesis would provide a foundation in this area and assist researchers in developing innovative and solutions for intra-body communication.

sted, utgiver, år, opplag, sider
Uppsala: Acta Universitatis Upsaliensis, 2019. s. 116
Serie
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 1863
Emneord
Fat-Intrabody Communication, Fat Tissue, Microwave, Propagation, Data Packet Reception, Ex-vivo, Phantom, Communication, Reliability, Implants
HSV kategori
Forskningsprogram
Teknisk fysik med inriktning mot mikrovågsteknik
Identifikatorer
urn:nbn:se:uu:diva-393444 (URN)978-91-513-0770-1 (ISBN)
Disputas
2019-11-27, Häggsalen, Ångströmlaboratoriet, Lägerhyddsvägen 1, Uppsala, 09:15 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2019-11-06 Laget: 2019-10-10 Sist oppdatert: 2019-11-27

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