BioComm: Biocompatible Physical Layer Design for Wireless Intra-Body Communications

IF 2.4 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Molecular, Biological, and Multi-Scale Communications Pub Date : 2024-07-04 DOI:10.1109/TMBMC.2024.3423021

Pedram Johari;Hadeel Elayan;Josep M. Jornet

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引用次数: 0

Abstract

In-vivo Wireless Nanosensor Networks (iWNSNs) consist of nano-sized communicating devices with unprecedented sensing capabilities that operate inside the human body in real-time. The current state-of-the-art in nanoelectronics and nanophotonics points to the Terahertz (THz) band (0.1–10 THz) and the optical frequency bands (infrared, 30–400 THz, and visible, 400–750 THz) as the promising spectral bands for nanosensor communications. In this paper, we propose and analyze a biocompatible modulation technique for iWNSNs. A mathematical framework is formulated to optimize the parameters of an adaptive Time Spread On-Off Keying (OOK) pulse-based modulation. This optimization considers both the physics of the intra-body optical channel and the light-matter interactions, along with the resulting photo-thermal effects in biological tissues. The outcomes of the analytical optimization model are validated through extensive numerical simulations. The results highlight a trade-off between link efficiency and the biocompatibility of the transmitted signals. Numerical analysis shows that the proposed biocompatible modulation technique can easily achieve a Bit Error Rate (BER) of

$10^{-2}$

before coding, within the bio-safety measures, indicating a reliable intra-body channel for data transmission. This means that the channel can effectively convey information, such as health monitoring data or control signals for medical devices, without significant data loss or corruption.

查看原文本刊更多论文

BioComm：用于体内无线通信的生物兼容物理层设计

体内无线纳米传感器网络（iWNSN）由纳米级通信设备组成，具有前所未有的传感能力，可在人体内实时运行。目前纳米电子学和纳米光子学的最新技术表明，太赫兹（THz）频段（0.1-10 THz）和光学频段（红外线，30-400 THz；可见光，400-750 THz）是纳米传感器通信的理想频段。本文提出并分析了 iWNSN 的生物兼容调制技术。本文提出了一个数学框架，用于优化基于脉冲的自适应时展开关键控（OOK）调制参数。这种优化既考虑了体内光通道和光-物质相互作用的物理学原理，又考虑了生物组织中产生的光热效应。大量的数值模拟验证了分析优化模型的结果。结果凸显了链路效率和传输信号的生物兼容性之间的权衡。数值分析表明，所提出的生物兼容调制技术在编码前可轻松达到 10^{-2}$ 的误码率（BER），且不超出生物安全措施的范围，表明这是一种可靠的体内数据传输信道。这意味着该信道可以有效地传输健康监测数据或医疗设备控制信号等信息，而不会出现严重的数据丢失或损坏。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Molecular, Biological, and Multi-Scale Communications Mathematics-Modeling and Simulation

CiteScore

3.90

自引率

13.60%

发文量

期刊介绍： As a result of recent advances in MEMS/NEMS and systems biology, as well as the emergence of synthetic bacteria and lab/process-on-a-chip techniques, it is now possible to design chemical “circuits”, custom organisms, micro/nanoscale swarms of devices, and a host of other new systems. This success opens up a new frontier for interdisciplinary communications techniques using chemistry, biology, and other principles that have not been considered in the communications literature. The IEEE Transactions on Molecular, Biological, and Multi-Scale Communications (T-MBMSC) is devoted to the principles, design, and analysis of communication systems that use physics beyond classical electromagnetism. This includes molecular, quantum, and other physical, chemical and biological techniques; as well as new communication techniques at small scales or across multiple scales (e.g., nano to micro to macro; note that strictly nanoscale systems, 1-100 nm, are outside the scope of this journal). Original research articles on one or more of the following topics are within scope: mathematical modeling, information/communication and network theoretic analysis, standardization and industrial applications, and analytical or experimental studies on communication processes or networks in biology. Contributions on related topics may also be considered for publication. Contributions from researchers outside the IEEE’s typical audience are encouraged.