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A Low-Cost Electronic System for Human-Body Communication

1
Department of Technology, Federal University of São João Del Rei, Ouro Branco, Minas Gerais 36420-000, Brazil
2
Science and Technology Institute, Federal University of Viçosa, Florestal, Minas Gerais 35690-000, Brazil
3
Computer Science Department, Federal University of Juiz de Fora, Juiz de Fora, Minas Gerais 36036-000, Brazil
4
Department of Informatics, Federal University of Paraná, Curitiba 80060-000, Brazil
*
Author to whom correspondence should be addressed.
Electronics 2020, 9(11), 1928; https://doi.org/10.3390/electronics9111928
Received: 23 September 2020 / Revised: 6 November 2020 / Accepted: 9 November 2020 / Published: 17 November 2020
(This article belongs to the Section Bioelectronics)
Human-body communication (HBC) has increasingly gained attention from academia and industry. Most current works focus on characterizing the use of human-body tissues as a physical medium to enable reliable communication. However, designing coupling hardware and communication circuits for reliable data transmission (e.g., high throughput and low latency) is a demanding task, especially for achieving a compact full electronic implementation. For this purpose, there are few commercial devices, mainly differential probes and balun transformers, employed with electrical analysis instruments such as oscilloscopes and vector network analyzers. Although these devices are widely used, they are expensive and are difficult to miniaturize and integrate into real-world HBC-specific applications (e.g., data security). This article presents a low-cost electronic system that transfers collected data using a secondary channel: the ionic environment (the primary channel would be the wireless environment). We design an electronic system as an experimental setup for studying HBC, allowing the communication between instruments, sensors, and actuators by human-body tissues. The experimental evaluation of the proposed system follows (i) a phantom composed of saline (0.9%) and (ii) a real human forearm through adhesive surface electrodes. View Full-Text
Keywords: communication networks; digital circuits; wearable sensors communication networks; digital circuits; wearable sensors
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MDPI and ACS Style

Vale-Cardoso, A.; Moreira, M.; Coelho, K.K.; Vieira, A.; Santos, A.; Nogueira, M.; Nacif, J.A.M. A Low-Cost Electronic System for Human-Body Communication. Electronics 2020, 9, 1928. https://doi.org/10.3390/electronics9111928

AMA Style

Vale-Cardoso A, Moreira M, Coelho KK, Vieira A, Santos A, Nogueira M, Nacif JAM. A Low-Cost Electronic System for Human-Body Communication. Electronics. 2020; 9(11):1928. https://doi.org/10.3390/electronics9111928

Chicago/Turabian Style

Vale-Cardoso, Adriano; Moreira, Mariana; Coelho, Kristtopher K.; Vieira, Alex; Santos, Aldri; Nogueira, Michele; Nacif, José A.M. 2020. "A Low-Cost Electronic System for Human-Body Communication" Electronics 9, no. 11: 1928. https://doi.org/10.3390/electronics9111928

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