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Magnetic Induction (MI)-based Wireless Communication for Challenging Environments
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- Authors
- Junghoon Oh, Kyeseok Yoon, Hyun Joon Lee, Jang-Yeol Kim, In-Kui Cho
- Issue Date
- 2024-11
- Citation
- Asia-Pacific Microwave Conference (APMC) 2024, pp.1-3
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- The advancement of magnetic field communication offers a viable solution for environments where traditional wireless methods fail. This study explores the design and implementation of a medium-range magnetic field communication system capable of exceeding 100 meters. Utilizing loop antennas with different turns ratios and incorporating series resistances, the system's performance was optimized for various conditions. Field tests conducted in free space and reinforced concrete buildings demonstrated successful communication over 100 meters, achieving an Eb⁄N0 of 26.25 dB. The system maintained stable communication despite the presence of obstructive materials like water, soil, and concrete. These findings suggest potential applications in disaster-stricken areas and underground environments where conventional communication is impeded. The research highlights the inverse relationship between bandwidth and magnetic field strength, emphasizing the need for a balance between transmission power and bandwidth to achieve reliable communication. This study significantly contributes to the development of robust communication systems for challenging environments, providing a foundation for future advancements in magnetic field-based wireless communication technologies.
- KSP Keywords
- Communication system, Field Test, Loop Antenna, Magnetic field strength, Potential applications, Reinforced concrete buildings, Robust communication, Various conditions, communication technologies, design and implementation, free space