WBAN radio channel characteristics between the endoscope capsule and on-body antenna

Särestöniemi, Mariella; Pomalaza Raez, Carlos; Berg, Markus; Kissi, Chaïmaâ; Hämäläinen, Matti; Iinatti, Jari (2019-11-16)
 
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https://doi.org/10.1007/978-3-030-34833-5_27

Särestöniemi, Mariella
Pomalaza Raez, Carlos
Berg, Markus
Kissi, Chaïmaâ
Hämäläinen, Matti
Iinatti, Jari
Springer Nature
16.11.2019

Särestöniemi M., Raez C.P., Berg M., Kissi C., Hämäläinen M., Iinatti J. (2019) WBAN Radio Channel Characteristics Between the Endoscope Capsule and on-Body Antenna. In: Mucchi L., Hämäläinen M., Jayousi S., Morosi S. (eds) Body Area Networks: Smart IoT and Big Data for Intelligent Health Management. BODYNETS 2019. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 297. Springer, Cham

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© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2019. This is a post-peer-review, pre-copyedit version of an article published in EAI International Conference on Body Area Networks. The final authenticated version is available online at: https://doi.org/10.1007/978-3-030-34833-5_27.
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doi:https://doi.org/10.1007/978-3-030-34833-5_27
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https://urn.fi/URN:NBN:fi-fe2019120245121
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Abstract

This paper presents a study on the radio channel characteristics between an endoscope capsule and an on-body antenna in different parts of the small intestine with different on-body antenna location options. The study is conducted using finite integration technique based electromagnetic simulation software CST and one of its anatomical voxels. An endoscope capsule model with a dipole antenna is set inside different areas of the small intestine of the voxel model. A recently published highly-directive on-body antenna designed for on-in-body communications is used in the evaluations. Different rotation angles of the capsule are also considered both with a layer model and a voxel model. It is found that radio channel characteristics vary remarkably depending on the antenna location in the small intestine and location of the on-body antenna. Thus, the on-body antennas should be located carefully to ensure coverage over the whole intestine area. However, the path loss does not only depend on the distance between a capsule and the on-body antenna but also on the tissues between the capsule and on-body antennas. Furthermore, orientation of the capsule has also strong impact when linearly polarized antennas are used.

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