Magneto-Inductive Waveguides: Interconnecting the Next Generation of Wearables and Implants

磁感应波导：互连下一代可穿戴设备和植入物

• 批准号: 2053318
• 负责人: Asimina Kiourti
• 金额: $ 36.5万
• 依托单位: Ohio State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2021
• 资助国家: 美国
• 起止时间: 2021-08-15 至 2025-07-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2053318&HistoricalAwards=false
• 关键词: Magneto; Inductive; Waveguides; Interconnecting; Next

Advances in electromagnetics, electronics, and materials in recent years have created new opportunities for wireless body area networks (WBANs) in healthcare, sports, defense, emergency, and consumer applications. However, low-power and reliable WBAN communications have yet to be realized. To overcome these limitations, this project proposes to investigate and develop a new class of WBANs enabled by magneto-inductive waveguides (MIWs). To form an MIW, the space between a resonant transmitter and a receiver will be leveraged which will include magnetic induction facilitated by resonant loops placed in transverse and longitudinal configurations, or a combination of both. The MIWs, because of their inherent wave-guiding nature, have the potentials for low loss, reduced power requirements compared to the state-of-the-art and are generally less vulnerable to interference and shadowing. They are also more secure and can likely be adapted to implantable applications. The above features are complemented by the fact that MIWs use magnetic fields which are expected to have minimal to no effect to biological tissues. MIWs can be embroidered onto fabrics (among other flexible solutions) to facilitate their applications in WBANs. The outcomes of this research will potentially impact applications such as personalized rehabilitation, athlete training, patient monitoring, human-machine interfaces, and more. Besides advances in the basic science, the proposed research is expected to be of significant interest to students and the public. At the pre-college level, hands-on workshops will be organized to provide students with experiences in electromagnetics and conductive textiles. The project includes an undergraduate module which will focus on interdisciplinary education, while a graduate-level course on bioelectromagnetics will be updated by incorporating results from this research. The goals of this project are to enable fundamental scientific understanding of MIW WBANs, investigate their real-world application challenges and develop mitigation techniques, including fabric implementations and testing on human subjects, and explore advanced aspects for MIW integration with existing sensors and mobile devices. The creation of analytical, numerical, and equivalent circuit models for MIW WBANs will reveal correlations among loop design configurations, shapes, operating frequencies, on-body placement, and associated performance. These models will in turn provide the framework for the creation of new MIW-enabled WBANs for many applications. Electromagnetic modeling of e-thread loops and modeling of their inherent shifting/deformation on garments will prove useful for diverse e-textile implementations in the future. Specific topologies of interest will be fabricated and tested to validate performance.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

近年来，电磁学、电子学和材料学的进步为无线体域网（WBAN）在医疗保健、体育、国防、应急和消费应用中创造了新的机会。然而，低功率和可靠的WBAN通信尚未实现。为了克服这些限制，本项目提出研究和开发一类新的WBAN使磁感应波导（MIWs）。为了形成MIW，将利用谐振发射器和接收器之间的空间，其将包括由以横向和纵向配置或两者的组合放置的谐振回路促进的磁感应。由于其固有的波导性质，MIW具有与现有技术相比低损耗、降低功率要求的潜力，并且通常不易受干扰和遮蔽的影响。它们也更安全，可能适用于植入式应用。MIW使用预期对生物组织具有最小影响或无影响的磁场，这一事实补充了上述特征。MIW可以绣在织物上（以及其他灵活的解决方案），以促进其在WBAN中的应用。这项研究的结果将可能影响个性化康复、运动员训练、患者监测、人机界面等应用。除了基础科学的进步，拟议的研究预计将引起学生和公众的极大兴趣。在大学预科阶段，将组织实践研讨会，为学生提供电磁学和导电纺织品的经验。该项目包括一个本科模块，将侧重于跨学科教育，而研究生水平的生物电磁学课程将通过纳入这项研究的结果进行更新。该项目的目标是实现对MIW WBAN的基本科学理解，调查其现实应用挑战并开发缓解技术，包括织物实施和人体测试，并探索MIW与现有传感器和移动的设备集成的高级方面。MIW WBAN的分析、数值和等效电路模型的建立将揭示环路设计配置、形状、工作频率、体上放置和相关性能之间的相关性。这些模型将反过来为许多应用程序创建新的支持MIW的WBAN提供框架。电子线环的电磁建模及其在服装上的固有移位/变形的建模将被证明对未来各种电子纺织品的实现是有用的。该奖项反映了NSF的法定使命，并被认为是值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估的支持。

项目成果

Wearable Magnetoinductive Waveguide WBANs: Tolerance to Loop Failures

可穿戴磁感应波导 WBAN：环路故障容限

• DOI: 10.1109/aps/ursi47566.2021.9704216
• 发表时间: 2021
• 期刊: IEEE International Conference on Antennas and Propagation
• 作者: Mishra, Vigyanshu;Kiourti, Asimina
• 通讯作者: Kiourti, Asimina

Wearable Magnetoinductive Waveguide for Wireless Body Area Network and On-body Wireless Power Transfer

用于无线体域网和体上无线电力传输的可穿戴磁感应波导

• 发表时间: 2022
• 期刊: IEEE International Symposium on Antennas and Propagation
• 作者: Mishra, Vigyanshu;Jenkins, Connor;Kiourti, Asimina
• 通讯作者: Kiourti, Asimina

Combination of Wearable Axial and Planar Magnetoinductive Waveguide for Low Loss WBANs

用于低损耗 WBAN 的可穿戴轴向和平面磁感应波导的组合

• 发表时间: 2022
• 期刊: IEEE International Microwave Biomedical Conference
• 作者: Jenkins, Connor;Mishra, Vigyanshu;Kiourti, Asimina
• 通讯作者: Kiourti, Asimina

Low-Loss Wireless Implant Telemetry Using Magnetoinductive Waveguides

• DOI: 10.23919/aces57841.2023.10114778
• 发表时间: 2023-03
• 期刊: 2023 International Applied Computational Electromagnetics Society Symposium (ACES)
• 作者: Connor B. Jenkins;A. Kiourti

Wearable Planar Magnetoinductive Waveguide WBANs: Bending Around Anatomical Curvatures

可穿戴平面磁感应波导 WBAN：围绕解剖曲率弯曲

• DOI: 10.1109/aps/ursi47566.2021.9704533
• 发表时间: 2021
• 期刊: IEEE International Symposium on Antennas and Propagation
• 作者: Mishra, Vigyanshu;Kiourti, Asimina
• 通讯作者: Kiourti, Asimina