A reliable modulation scheme for body coupled communication with galvanic coupling

Master thesis (2024)

Authors

M.B.A. Haarman Electrical Engineering, Mathematics and Computer Science

Contributors

Ranga Rao Venkatesha Prasad Networked Systems - EEMCS (mentor)
S. Narayana Networked Systems - EEMCS (graduation committee member)
Faculty
Electrical Engineering, Mathematics and Computer Science, Electrical Engineering, Mathematics and Computer Science
Copyright: © 2024 Mart Haarman
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Published Date

18-01-2024

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

This thesis explores the integration of (Frequency Shift) Chirp Spread Spectrum Modulation (FSCSSM) in Body Coupled Communication (BCC) using the Galvanic Coupling (GC) method. The goal is to provide a method of private communication in a noisy channel for devices in and around the human body. Various parameters, including frequency, electrode dimensions, electrode inter-distances, and noise levels, are evaluated. Results demonstrate that FSCSSM allows reliable communication in highly noisy channels, achieving a data rate of 9.6 kbps at a Signal-to-Noise Ratio (SNR) of -9dB. The impact of body composition is highlighted, showing its significance in single-body communication. The communication in single-body is extended by evaluating body-to-body communication, enabled by touch, as well. This research provides valuable insights for designing robust BCC-FSCSSM systems.

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