Dual Differential Magnetic Induction Sensor for Magnetic Communication in Extreme Environments
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This paper presents a novel dual differential magnetic induction (DDMI) sensor designed as a receiving element for magnetic communicationin extreme environments, such as underwater and underground conditions. The DDMI sensor, fabricated on a printed circuitboard, uses Ni-Zn soft ferrite as a ferromagnetic core, with pickup coils wound around four ferromagnetic cores. The sensor achievedan equivalent magnetic noise spectral density of less than 1 pT/√Hz at 20 kHz, enabling detection of weak magnetic fields for reliablecommunication. To demonstrate its feasibility, a DDMI sensor-based communication system was implemented and tested using quadraturephase-shift keying modulation in a laboratory setting. Successful demodulation at 20 kHz confirmed the sensor’s potential as arobust solution for magnetic communication in harsh environments.
Abstract
This paper presents a novel dual differential magnetic induction (DDMI) sensor designed as a receiving element for magnetic communicationin extreme environments, such as underwater and underground conditions. The DDMI sensor, fabricated on a printed circuitboard, uses Ni-Zn soft ferrite as a ferromagnetic core, with pickup coils wound around four ferromagnetic cores. The sensor achievedan equivalent magnetic noise spectral density of less than 1 pT/√Hz at 20 kHz, enabling detection of weak magnetic fields for reliablecommunication. To demonstrate its feasibility, a DDMI sensor-based communication system was implemented and tested using quadraturephase-shift keying modulation in a laboratory setting. Successful demodulation at 20 kHz confirmed the sensor’s potential as arobust solution for magnetic communication in harsh environments.
참고문헌 (14)
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