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Electromagnetic Analysis and Modeling of Human Body Communication

<p>Progress in miniaturized computing and connectivity has led to a plethora of smart connected electronic devices around humans, leading us towards the era of seamless human-electronics co-operation. In this connected society, radiative communication using electromagnetic fields is the backbone of inter-device connectivity. This unfortunately leads to high power usage as well as physical signals being available for malicious interceptors to snoop. To address the need of security and energy efficiency of inter-device communication for devices on and around the human body, Human Body Communication (HBC) has been proposed. The fundamental philosophy of HBC is to use the human body as a medium - thus being helped and not hurt by the body - for communication between devices. Confinement of a signal within the body implies higher security as well as efficiency. This dissertation is an analysis of these properties of different HBC modalities, through electromagnetic modelling, simulation, and experienced. Electro-quasistatic (EQS) HBC has been explored in significant detail, including a complete theoretical formulation of return path capacitance, as well as a study of inter-body coupling for interference and security management in EQS-HBC. Magnetic modes of HBC have also been analyzed, and compared with its electric counterparts. Finally, a novel HBC technique, GSW-HBC, has been proposed. GSW-HBC or a Goubau line inspired surface wave based HBC, is shown to be a viable, secure and energy efficient alternative to RF wireless communication, leading the search for Gbps communication around the body.</p><p>In reference to IEEE copyrighted material which is used with permission in this thesis, the IEEE does not endorse any of Purdue University's products or services. Internal or personal use of this material is permitted. If interested in reprinting/republishing IEEE copyrighted material for advertising or promotional purposes or for creating new collective works for resale or redistribution, please go to <a href="http://www.ieee.org/publications_standards/publications/rights/rights_link.html" rel="noreferrer" target="_blank">http://www.ieee.org/publications_standards/publications/rights/rights_link.html</a> to learn how to obtain a License from RightsLink.</p>

  1. 10.25394/pgs.24038559.v1
Identiferoai:union.ndltd.org:purdue.edu/oai:figshare.com:article/24038559
Date29 August 2023
CreatorsMayukh Nath (16887960)
Source SetsPurdue University
Detected LanguageEnglish
TypeText, Thesis
RightsCC BY-NC-SA 4.0
Relationhttps://figshare.com/articles/thesis/Electromagnetic_Analysis_and_Modeling_of_Human_Body_Communication/24038559

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